diff --git a/app/src/main/res/layout-land/file_viewer_fragment.xml b/app/src/main/res/layout-land/file_viewer_fragment.xml
index fb4e5ddde..c526a6e22 100644
--- a/app/src/main/res/layout-land/file_viewer_fragment.xml
+++ b/app/src/main/res/layout-land/file_viewer_fragment.xml
@@ -93,6 +93,7 @@
             android:adjustViewBounds="true"
             android:padding="15dp"
             android:src="@drawable/caret_left"
+            android:contentDescription="@string/content_description_go_back_icon"
             android:visibility="@{viewModel.fullScreenMode ? View.GONE : View.VISIBLE}"
             app:tint="?attr/color_main1_500"
             app:layout_constraintBottom_toBottomOf="@id/title"
diff --git a/app/src/main/res/layout/account_list_cell.xml b/app/src/main/res/layout/account_list_cell.xml
index d3f2a7912..1409456e8 100644
--- a/app/src/main/res/layout/account_list_cell.xml
+++ b/app/src/main/res/layout/account_list_cell.xml
@@ -44,6 +44,7 @@
             android:layout_height="@dimen/avatar_presence_badge_size"
             android:src="@drawable/trusted"
             android:visibility="@{model.showTrust ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@null"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
@@ -110,6 +111,7 @@
             android:layout_height="0dp"
             android:padding="15dp"
             android:adjustViewBounds="true"
+            android:contentDescription="@string/content_description_open_drawer_menu_icon"
             android:src="@drawable/dots_three_vertical"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toTopOf="@id/name"
diff --git a/app/src/main/res/layout/account_profile_fragment.xml b/app/src/main/res/layout/account_profile_fragment.xml
index 671b52cba..c812474d7 100644
--- a/app/src/main/res/layout/account_profile_fragment.xml
+++ b/app/src/main/res/layout/account_profile_fragment.xml
@@ -45,6 +45,7 @@
                 android:adjustViewBounds="true"
                 android:padding="15dp"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main1_500"
                 app:layout_constraintBottom_toBottomOf="@id/title"
                 app:layout_constraintStart_toStartOf="parent"
@@ -190,6 +191,7 @@
                         android:layout_marginStart="16dp"
                         android:layout_marginEnd="16dp"
                         android:layout_marginBottom="-20dp"
+                        android:contentDescription="@null"
                         android:src="@drawable/shape_squircle_white_background"
                         app:layout_constraintStart_toStartOf="parent"
                         app:layout_constraintEnd_toEndOf="parent"
@@ -312,6 +314,7 @@
                         android:layout_height="wrap_content"
                         android:layout_marginEnd="16dp"
                         android:src="@drawable/caret_down"
+                        android:contentDescription="@null"
                         app:layout_constraintTop_toTopOf="@id/prefix"
                         app:layout_constraintBottom_toBottomOf="@id/prefix"
                         app:layout_constraintEnd_toEndOf="@id/prefix"/>
@@ -349,6 +352,7 @@
                         android:layout_marginTop="16dp"
                         android:layout_marginStart="16dp"
                         android:layout_marginEnd="16dp"
+                        android:contentDescription="@null"
                         android:src="@drawable/shape_squircle_white_background"
                         app:layout_constraintStart_toStartOf="parent"
                         app:layout_constraintEnd_toEndOf="parent"
@@ -400,6 +404,7 @@
                         android:layout_marginTop="16dp"
                         android:layout_marginStart="16dp"
                         android:layout_marginEnd="16dp"
+                        android:contentDescription="@null"
                         android:src="@drawable/shape_squircle_white_background"
                         app:layout_constraintStart_toStartOf="parent"
                         app:layout_constraintEnd_toEndOf="parent"
@@ -498,6 +503,7 @@
                         android:layout_marginTop="8dp"
                         android:layout_marginStart="16dp"
                         android:layout_marginEnd="16dp"
+                        android:contentDescription="@null"
                         android:src="@drawable/shape_squircle_white_background"
                         app:layout_constraintStart_toStartOf="parent"
                         app:layout_constraintEnd_toEndOf="parent"
diff --git a/app/src/main/res/layout/account_profile_secure_mode_fragment.xml b/app/src/main/res/layout/account_profile_secure_mode_fragment.xml
index 4dbf75feb..a869a6150 100644
--- a/app/src/main/res/layout/account_profile_secure_mode_fragment.xml
+++ b/app/src/main/res/layout/account_profile_secure_mode_fragment.xml
@@ -35,6 +35,7 @@
             android:adjustViewBounds="true"
             android:padding="15dp"
             android:src="@drawable/caret_left"
+            android:contentDescription="@string/content_description_go_back_icon"
             app:tint="?attr/color_main1_500"
             app:layout_constraintBottom_toBottomOf="@id/title"
             app:layout_constraintStart_toStartOf="parent"
@@ -152,6 +153,7 @@
                     android:padding="@dimen/avatar_presence_badge_padding"
                     android:src="@drawable/led_online"
                     android:visibility="gone"
+                    android:contentDescription="@null"
                     app:layout_constraintEnd_toEndOf="@id/image1"
                     app:layout_constraintBottom_toBottomOf="@id/image1"/>
 
@@ -163,6 +165,7 @@
                     android:src="@drawable/arrow_right_fill"
                     app:tint="@color/black"
                     android:visibility="gone"
+                    android:contentDescription="@null"
                     app:layout_constraintStart_toEndOf="@id/image1"
                     app:layout_constraintEnd_toStartOf="@id/image2"
                     app:layout_constraintTop_toTopOf="@id/image1"
@@ -188,6 +191,7 @@
                     android:layout_height="@dimen/avatar_presence_badge_size"
                     android:src="@drawable/trusted"
                     android:visibility="gone"
+                    android:contentDescription="@null"
                     app:layout_constraintStart_toStartOf="@id/image2"
                     app:layout_constraintBottom_toBottomOf="@id/image2"/>
 
@@ -200,6 +204,7 @@
                     android:padding="@dimen/avatar_presence_badge_padding"
                     android:src="@drawable/led_online"
                     android:visibility="gone"
+                    android:contentDescription="@null"
                     app:layout_constraintEnd_toEndOf="@id/image2"
                     app:layout_constraintBottom_toBottomOf="@id/image2"/>
 
diff --git a/app/src/main/res/layout/account_settings_fragment.xml b/app/src/main/res/layout/account_settings_fragment.xml
index 757d08235..d43be951f 100644
--- a/app/src/main/res/layout/account_settings_fragment.xml
+++ b/app/src/main/res/layout/account_settings_fragment.xml
@@ -26,6 +26,7 @@
                 android:adjustViewBounds="true"
                 android:padding="15dp"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main1_500"
                 app:layout_constraintBottom_toBottomOf="@id/title"
                 app:layout_constraintStart_toStartOf="parent"
@@ -92,6 +93,7 @@
                         android:layout_height="wrap_content"
                         android:layout_marginEnd="20dp"
                         android:src="@drawable/caret_down"
+                        android:contentDescription="@null"
                         app:layout_constraintTop_toTopOf="@id/transport_spinner"
                         app:layout_constraintBottom_toBottomOf="@id/transport_spinner"
                         app:layout_constraintEnd_toEndOf="@id/transport_spinner"/>
diff --git a/app/src/main/res/layout/address_selected_list_cell.xml b/app/src/main/res/layout/address_selected_list_cell.xml
index 7f0a82a07..837b67c2f 100644
--- a/app/src/main/res/layout/address_selected_list_cell.xml
+++ b/app/src/main/res/layout/address_selected_list_cell.xml
@@ -47,6 +47,7 @@
             android:layout_height="@dimen/avatar_presence_badge_size"
             android:src="@{model.avatarModel.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
             android:visibility="@{model.avatarModel.trust == SecurityLevel.Safe || model.avatarModel.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@{model.avatarModel.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/assistant_login_fragment.xml b/app/src/main/res/layout/assistant_login_fragment.xml
index 70526579d..cf8945bb3 100644
--- a/app/src/main/res/layout/assistant_login_fragment.xml
+++ b/app/src/main/res/layout/assistant_login_fragment.xml
@@ -45,6 +45,7 @@
                 android:layout_height="@dimen/top_bar_height"
                 android:padding="15dp"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 android:visibility="@{viewModel.showBackButton ? View.VISIBLE : View.INVISIBLE, default=invisible}"
                 app:tint="?attr/color_main2_500"
                 app:layout_constraintTop_toTopOf="parent"
@@ -58,6 +59,7 @@
                 android:src="@drawable/mountains"
                 android:adjustViewBounds="true"
                 android:scaleType="centerCrop"
+                android:contentDescription="@null"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toBottomOf="@id/back"
diff --git a/app/src/main/res/layout/assistant_permissions_fragment.xml b/app/src/main/res/layout/assistant_permissions_fragment.xml
index 0d531fba3..1e4819547 100644
--- a/app/src/main/res/layout/assistant_permissions_fragment.xml
+++ b/app/src/main/res/layout/assistant_permissions_fragment.xml
@@ -45,6 +45,7 @@
                 android:layout_height="@dimen/top_bar_height"
                 android:padding="15dp"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main2_500"
                 app:layout_constraintTop_toTopOf="parent"
                 app:layout_constraintStart_toStartOf="parent"/>
@@ -57,6 +58,7 @@
                 android:src="@drawable/mountains"
                 android:adjustViewBounds="true"
                 android:scaleType="centerCrop"
+                android:contentDescription="@null"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toBottomOf="@id/back"
@@ -97,6 +99,7 @@
                 android:background="@drawable/circle_light_blue_button_background"
                 android:padding="12dp"
                 android:src="@drawable/bell_ringing"
+                android:contentDescription="@null"
                 app:tint="?attr/color_main2_500"
                 app:layout_constraintTop_toBottomOf="@id/subtitle"
                 app:layout_constraintStart_toStartOf="parent"/>
@@ -125,6 +128,7 @@
                 android:background="@drawable/circle_light_blue_button_background"
                 android:padding="12dp"
                 android:src="@drawable/address_book"
+                android:contentDescription="@null"
                 app:tint="?attr/color_main2_500"
                 app:layout_constraintTop_toBottomOf="@id/post_notifications_icon"
                 app:layout_constraintStart_toStartOf="parent"/>
@@ -153,6 +157,7 @@
                 android:background="@drawable/circle_light_blue_button_background"
                 android:padding="12dp"
                 android:src="@drawable/microphone"
+                android:contentDescription="@null"
                 app:tint="?attr/color_main2_500"
                 app:layout_constraintTop_toBottomOf="@id/read_contacts_icon"
                 app:layout_constraintStart_toStartOf="parent"/>
@@ -181,6 +186,7 @@
                 android:background="@drawable/circle_light_blue_button_background"
                 android:padding="12dp"
                 android:src="@drawable/video_camera"
+                android:contentDescription="@null"
                 app:tint="?attr/color_main2_500"
                 app:layout_constraintTop_toBottomOf="@id/record_audio_icon"
                 app:layout_constraintStart_toStartOf="parent"/>
diff --git a/app/src/main/res/layout/assistant_qr_code_scanner_fragment.xml b/app/src/main/res/layout/assistant_qr_code_scanner_fragment.xml
index a8154ce3a..2610eecb7 100644
--- a/app/src/main/res/layout/assistant_qr_code_scanner_fragment.xml
+++ b/app/src/main/res/layout/assistant_qr_code_scanner_fragment.xml
@@ -36,6 +36,7 @@
             android:layout_height="@dimen/top_bar_height"
             android:padding="15dp"
             android:src="@drawable/caret_left"
+            android:contentDescription="@string/content_description_go_back_icon"
             app:tint="@color/white"
             app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintStart_toStartOf="parent"/>
diff --git a/app/src/main/res/layout/assistant_register_confirm_sms_code_fragment.xml b/app/src/main/res/layout/assistant_register_confirm_sms_code_fragment.xml
index 7faf45f94..56a7d9db4 100644
--- a/app/src/main/res/layout/assistant_register_confirm_sms_code_fragment.xml
+++ b/app/src/main/res/layout/assistant_register_confirm_sms_code_fragment.xml
@@ -29,6 +29,7 @@
                 android:layout_height="@dimen/top_bar_height"
                 android:padding="15dp"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main2_500"
                 app:layout_constraintTop_toTopOf="parent"
                 app:layout_constraintStart_toStartOf="parent"/>
@@ -40,6 +41,7 @@
                 android:src="@drawable/mountains"
                 android:adjustViewBounds="true"
                 android:scaleType="centerCrop"
+                android:contentDescription="@null"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toBottomOf="@id/back"
@@ -80,6 +82,7 @@
                 android:layout_marginTop="100dp"
                 android:adjustViewBounds="true"
                 android:src="@drawable/confirm_sms_code_illu"
+                android:contentDescription="@null"
                 app:layout_constraintTop_toBottomOf="@id/wrong_number"
                 app:layout_constraintBottom_toBottomOf="parent"
                 app:layout_constraintEnd_toEndOf="parent" />
diff --git a/app/src/main/res/layout/assistant_register_fragment.xml b/app/src/main/res/layout/assistant_register_fragment.xml
index f9bc5ac61..372d51bf8 100644
--- a/app/src/main/res/layout/assistant_register_fragment.xml
+++ b/app/src/main/res/layout/assistant_register_fragment.xml
@@ -44,6 +44,7 @@
                     android:layout_height="@dimen/top_bar_height"
                     android:padding="15dp"
                     android:src="@drawable/caret_left"
+                    android:contentDescription="@string/content_description_go_back_icon"
                     app:tint="?attr/color_main2_500"
                     app:layout_constraintTop_toTopOf="parent"
                     app:layout_constraintStart_toStartOf="parent"/>
@@ -56,6 +57,7 @@
                     android:src="@drawable/mountains"
                     android:adjustViewBounds="true"
                     android:scaleType="centerCrop"
+                    android:contentDescription="@null"
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintTop_toBottomOf="@id/back"
@@ -134,6 +136,7 @@
                     android:layout_width="0dp"
                     android:layout_height="0dp"
                     android:src="@{viewModel.phoneNumberError.length() > 0 ? @drawable/shape_edit_text_error_background : @drawable/edit_text_background, default=@drawable/edit_text_background}"
+                    android:contentDescription="@null"
                     app:layout_constraintStart_toStartOf="@id/prefix"
                     app:layout_constraintEnd_toEndOf="@id/phone_number"
                     app:layout_constraintTop_toTopOf="@id/prefix"
@@ -164,6 +167,7 @@
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:src="@drawable/caret_down"
+                    android:contentDescription="@null"
                     app:layout_constraintTop_toTopOf="@id/prefix"
                     app:layout_constraintBottom_toBottomOf="@id/prefix"
                     app:layout_constraintEnd_toEndOf="@id/prefix"/>
diff --git a/app/src/main/res/layout/assistant_secure_mode_fragment.xml b/app/src/main/res/layout/assistant_secure_mode_fragment.xml
index 44a13af18..e3888c092 100644
--- a/app/src/main/res/layout/assistant_secure_mode_fragment.xml
+++ b/app/src/main/res/layout/assistant_secure_mode_fragment.xml
@@ -40,6 +40,7 @@
                 android:layout_height="@dimen/top_bar_height"
                 android:padding="15dp"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main2_500"
                 app:layout_constraintTop_toTopOf="parent"
                 app:layout_constraintStart_toStartOf="parent"/>
@@ -52,6 +53,7 @@
                 android:src="@drawable/mountains"
                 android:adjustViewBounds="true"
                 android:scaleType="centerCrop"
+                android:contentDescription="@null"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toBottomOf="@id/back"
@@ -156,6 +158,7 @@
                 android:background="@drawable/led_background"
                 android:padding="@dimen/avatar_presence_badge_padding"
                 android:src="@drawable/led_online"
+                android:contentDescription="@null"
                 app:layout_constraintEnd_toEndOf="@id/image1"
                 app:layout_constraintBottom_toBottomOf="@id/image1"/>
 
@@ -165,6 +168,7 @@
                 android:layout_height="wrap_content"
                 android:layout_marginEnd="16dp"
                 android:src="@drawable/arrow_right_fill"
+                android:contentDescription="@null"
                 app:tint="@color/black"
                 app:layout_constraintStart_toEndOf="@id/image1"
                 app:layout_constraintEnd_toStartOf="@id/image2"
@@ -191,6 +195,7 @@
                 android:layout_width="@dimen/avatar_presence_badge_size"
                 android:layout_height="@dimen/avatar_presence_badge_size"
                 android:src="@drawable/trusted"
+                android:contentDescription="@null"
                 app:layout_constraintStart_toStartOf="@id/image2"
                 app:layout_constraintBottom_toBottomOf="@id/image2"/>
 
@@ -202,6 +207,7 @@
                 android:background="@drawable/led_background"
                 android:padding="@dimen/avatar_presence_badge_padding"
                 android:src="@drawable/led_online"
+                android:contentDescription="@null"
                 app:layout_constraintEnd_toEndOf="@id/image2"
                 app:layout_constraintBottom_toBottomOf="@id/image2"/>
 
diff --git a/app/src/main/res/layout/assistant_third_party_sip_account_login_fragment.xml b/app/src/main/res/layout/assistant_third_party_sip_account_login_fragment.xml
index b983b6d3e..bfe6aef7f 100644
--- a/app/src/main/res/layout/assistant_third_party_sip_account_login_fragment.xml
+++ b/app/src/main/res/layout/assistant_third_party_sip_account_login_fragment.xml
@@ -30,6 +30,7 @@
                 android:layout_height="@dimen/top_bar_height"
                 android:padding="15dp"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main2_500"
                 app:layout_constraintTop_toTopOf="parent"
                 app:layout_constraintStart_toStartOf="parent"/>
@@ -42,6 +43,7 @@
                 android:src="@drawable/mountains"
                 android:adjustViewBounds="true"
                 android:scaleType="centerCrop"
+                android:contentDescription="@null"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toBottomOf="@id/back"
@@ -232,6 +234,7 @@
                 android:layout_height="wrap_content"
                 android:layout_marginEnd="20dp"
                 android:src="@drawable/caret_down"
+                android:contentDescription="@null"
                 app:layout_constraintTop_toTopOf="@id/transport"
                 app:layout_constraintBottom_toBottomOf="@id/transport"
                 app:layout_constraintEnd_toEndOf="@id/transport"/>
diff --git a/app/src/main/res/layout/assistant_third_party_sip_account_warning_fragment.xml b/app/src/main/res/layout/assistant_third_party_sip_account_warning_fragment.xml
index e3f953322..f2608f1a9 100644
--- a/app/src/main/res/layout/assistant_third_party_sip_account_warning_fragment.xml
+++ b/app/src/main/res/layout/assistant_third_party_sip_account_warning_fragment.xml
@@ -36,6 +36,7 @@
                 android:layout_height="@dimen/top_bar_height"
                 android:padding="15dp"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main2_500"
                 app:layout_constraintTop_toTopOf="parent"
                 app:layout_constraintStart_toStartOf="parent"/>
diff --git a/app/src/main/res/layout/call_active_conference_fragment.xml b/app/src/main/res/layout/call_active_conference_fragment.xml
index 2ec380769..4a3f190ca 100644
--- a/app/src/main/res/layout/call_active_conference_fragment.xml
+++ b/app/src/main/res/layout/call_active_conference_fragment.xml
@@ -114,6 +114,7 @@
                 android:adjustViewBounds="true"
                 android:padding="15dp"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent"
                 app:tint="@color/white" />
diff --git a/app/src/main/res/layout/call_active_fragment.xml b/app/src/main/res/layout/call_active_fragment.xml
index 50fd8c4a9..89f19e414 100644
--- a/app/src/main/res/layout/call_active_fragment.xml
+++ b/app/src/main/res/layout/call_active_fragment.xml
@@ -74,6 +74,7 @@
                 android:layout_height="@dimen/avatar_presence_badge_in_call_size"
                 android:src="@{viewModel.contact.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
                 android:visibility="@{viewModel.contact.trust == SecurityLevel.Safe || viewModel.contact.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+                android:contentDescription="@{viewModel.contact.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
                 app:layout_constraintStart_toStartOf="@id/avatar"
                 app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
@@ -133,6 +134,7 @@
                 android:adjustViewBounds="true"
                 android:padding="15dp"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent"
                 app:tint="@color/white" />
diff --git a/app/src/main/res/layout/call_conference_active_speaker_cell.xml b/app/src/main/res/layout/call_conference_active_speaker_cell.xml
index d9bd35f5f..72e1a34da 100644
--- a/app/src/main/res/layout/call_conference_active_speaker_cell.xml
+++ b/app/src/main/res/layout/call_conference_active_speaker_cell.xml
@@ -45,6 +45,7 @@
             android:layout_height="@dimen/avatar_presence_badge_in_active_speaker_miniature_conference_call_size"
             android:src="@{model.avatarModel.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
             android:visibility="@{model.avatarModel.trust == SecurityLevel.Safe || model.avatarModel.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@{model.avatarModel.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/call_conference_audio_only_cell.xml b/app/src/main/res/layout/call_conference_audio_only_cell.xml
index 91506797a..41ad38c45 100644
--- a/app/src/main/res/layout/call_conference_audio_only_cell.xml
+++ b/app/src/main/res/layout/call_conference_audio_only_cell.xml
@@ -46,6 +46,7 @@
             android:layout_height="@dimen/avatar_presence_badge_size"
             android:src="@{model.avatarModel.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
             android:visibility="@{model.avatarModel.trust == SecurityLevel.Safe || model.avatarModel.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@{model.avatarModel.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/call_conference_grid_cell.xml b/app/src/main/res/layout/call_conference_grid_cell.xml
index d03e4db69..6e8b27701 100644
--- a/app/src/main/res/layout/call_conference_grid_cell.xml
+++ b/app/src/main/res/layout/call_conference_grid_cell.xml
@@ -45,6 +45,7 @@
             android:layout_height="@dimen/avatar_presence_badge_in_call_size"
             android:src="@{model.avatarModel.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
             android:visibility="@{model.avatarModel.trust == SecurityLevel.Safe || model.avatarModel.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@{model.avatarModel.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/call_conference_participant_list_cell.xml b/app/src/main/res/layout/call_conference_participant_list_cell.xml
index 47afb27b3..0291cdcb5 100644
--- a/app/src/main/res/layout/call_conference_participant_list_cell.xml
+++ b/app/src/main/res/layout/call_conference_participant_list_cell.xml
@@ -45,6 +45,7 @@
             android:layout_height="@dimen/avatar_presence_badge_size"
             android:src="@{model.avatarModel.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
             android:visibility="@{model.avatarModel.trust == SecurityLevel.Safe || model.avatarModel.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@{model.avatarModel.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/call_conference_participants_list_fragment.xml b/app/src/main/res/layout/call_conference_participants_list_fragment.xml
index 117f2bd63..6db505e34 100644
--- a/app/src/main/res/layout/call_conference_participants_list_fragment.xml
+++ b/app/src/main/res/layout/call_conference_participants_list_fragment.xml
@@ -25,6 +25,7 @@
             android:adjustViewBounds="true"
             android:onClick="@{backClickListener}"
             android:src="@drawable/caret_left"
+            android:contentDescription="@string/content_description_go_back_icon"
             app:tint="?attr/color_main1_500"
             app:layout_constraintBottom_toBottomOf="@id/title"
             app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/layout/call_ended_fragment.xml b/app/src/main/res/layout/call_ended_fragment.xml
index 4c23bc07d..c98beca21 100644
--- a/app/src/main/res/layout/call_ended_fragment.xml
+++ b/app/src/main/res/layout/call_ended_fragment.xml
@@ -114,6 +114,7 @@
             android:layout_height="@dimen/avatar_presence_badge_in_call_size"
             android:src="@{viewModel.contact.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
             android:visibility="@{viewModel.contact.trust == SecurityLevel.Safe || viewModel.contact.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@{viewModel.contact.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/call_incoming_fragment.xml b/app/src/main/res/layout/call_incoming_fragment.xml
index f6b2753d3..d7d15c00b 100644
--- a/app/src/main/res/layout/call_incoming_fragment.xml
+++ b/app/src/main/res/layout/call_incoming_fragment.xml
@@ -57,6 +57,7 @@
             android:layout_height="@dimen/avatar_presence_badge_in_call_size"
             android:src="@{viewModel.contact.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
             android:visibility="@{viewModel.contact.trust == SecurityLevel.Safe || viewModel.contact.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@{viewModel.contact.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/call_outgoing_fragment.xml b/app/src/main/res/layout/call_outgoing_fragment.xml
index 85b226460..7e1c7105c 100644
--- a/app/src/main/res/layout/call_outgoing_fragment.xml
+++ b/app/src/main/res/layout/call_outgoing_fragment.xml
@@ -57,6 +57,7 @@
             android:layout_height="@dimen/avatar_presence_badge_in_call_size"
             android:src="@{viewModel.contact.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
             android:visibility="@{viewModel.contact.trust == SecurityLevel.Safe || viewModel.contact.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@{viewModel.contact.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/calls_list_fragment.xml b/app/src/main/res/layout/calls_list_fragment.xml
index 75b08060d..04768b88a 100644
--- a/app/src/main/res/layout/calls_list_fragment.xml
+++ b/app/src/main/res/layout/calls_list_fragment.xml
@@ -25,6 +25,7 @@
             android:adjustViewBounds="true"
             android:onClick="@{backClickListener}"
             android:src="@drawable/caret_left"
+            android:contentDescription="@string/content_description_go_back_icon"
             app:tint="?attr/color_main1_500"
             app:layout_constraintBottom_toBottomOf="@id/title"
             app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/layout/chat_conversation_fragment.xml b/app/src/main/res/layout/chat_conversation_fragment.xml
index cbed14686..503f380af 100644
--- a/app/src/main/res/layout/chat_conversation_fragment.xml
+++ b/app/src/main/res/layout/chat_conversation_fragment.xml
@@ -70,6 +70,7 @@
                 android:onClick="@{backClickListener}"
                 android:visibility="@{viewModel.showBackButton && !viewModel.searchBarVisible ? View.VISIBLE : View.GONE}"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main1_500"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent"/>
@@ -105,6 +106,7 @@
                 android:layout_height="@dimen/avatar_presence_badge_size"
                 android:src="@{viewModel.avatarModel.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
                 android:visibility="@{!viewModel.searchBarVisible && (viewModel.avatarModel.trust == SecurityLevel.Safe || viewModel.avatarModel.trust == SecurityLevel.Unsafe) ? View.VISIBLE : View.GONE}"
+                android:contentDescription="@{viewModel.avatarModel.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
                 app:layout_constraintStart_toStartOf="@id/avatar"
                 app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/chat_ephemeral_lifetime_fragment.xml b/app/src/main/res/layout/chat_ephemeral_lifetime_fragment.xml
index 10e5dcfeb..25efce4cf 100644
--- a/app/src/main/res/layout/chat_ephemeral_lifetime_fragment.xml
+++ b/app/src/main/res/layout/chat_ephemeral_lifetime_fragment.xml
@@ -25,6 +25,7 @@
             android:padding="15dp"
             android:onClick="@{backClickListener}"
             android:src="@drawable/caret_left"
+            android:contentDescription="@string/content_description_go_back_icon"
             app:tint="?attr/color_main1_500"
             app:layout_constraintBottom_toBottomOf="@id/title"
             app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/layout/chat_info_fragment.xml b/app/src/main/res/layout/chat_info_fragment.xml
index 9d423dc52..1e86e27f5 100644
--- a/app/src/main/res/layout/chat_info_fragment.xml
+++ b/app/src/main/res/layout/chat_info_fragment.xml
@@ -42,6 +42,7 @@
             android:padding="15dp"
             android:onClick="@{backClickListener}"
             android:src="@drawable/caret_left"
+            android:contentDescription="@string/content_description_go_back_icon"
             app:tint="?attr/color_main1_500"
             app:layout_constraintBottom_toBottomOf="@id/invisible_title"
             app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/layout/chat_list_cell.xml b/app/src/main/res/layout/chat_list_cell.xml
index 18c040dd9..0690ae3cd 100644
--- a/app/src/main/res/layout/chat_list_cell.xml
+++ b/app/src/main/res/layout/chat_list_cell.xml
@@ -59,6 +59,7 @@
             android:layout_height="@dimen/avatar_presence_badge_size"
             android:src="@{model.avatarModel.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
             android:visibility="@{model.avatarModel.trust == SecurityLevel.Safe || model.avatarModel.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@{model.avatarModel.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/chat_message_bottom_sheet_list_cell.xml b/app/src/main/res/layout/chat_message_bottom_sheet_list_cell.xml
index 8628d3da9..84e95a153 100644
--- a/app/src/main/res/layout/chat_message_bottom_sheet_list_cell.xml
+++ b/app/src/main/res/layout/chat_message_bottom_sheet_list_cell.xml
@@ -50,6 +50,7 @@
             android:layout_height="@dimen/avatar_presence_badge_size"
             android:src="@{model.avatarModel.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
             android:visibility="@{model.avatarModel.trust == SecurityLevel.Safe || model.avatarModel.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@{model.avatarModel.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/chat_participant_list_cell.xml b/app/src/main/res/layout/chat_participant_list_cell.xml
index 91cae0808..59c085099 100644
--- a/app/src/main/res/layout/chat_participant_list_cell.xml
+++ b/app/src/main/res/layout/chat_participant_list_cell.xml
@@ -50,6 +50,7 @@
             android:layout_height="@dimen/avatar_presence_badge_size"
             android:src="@{model.avatarModel.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
             android:visibility="@{model.avatarModel.trust == SecurityLevel.Safe || model.avatarModel.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@{model.avatarModel.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/contact_favourite_list_cell.xml b/app/src/main/res/layout/contact_favourite_list_cell.xml
index c26180b21..e2fb2bae1 100644
--- a/app/src/main/res/layout/contact_favourite_list_cell.xml
+++ b/app/src/main/res/layout/contact_favourite_list_cell.xml
@@ -55,6 +55,7 @@
             android:layout_height="@dimen/avatar_presence_badge_size"
             android:src="@{model.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
             android:visibility="@{model.trust == SecurityLevel.Safe || model.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@{model.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/contact_fragment.xml b/app/src/main/res/layout/contact_fragment.xml
index b615ce908..5daa2f1ef 100644
--- a/app/src/main/res/layout/contact_fragment.xml
+++ b/app/src/main/res/layout/contact_fragment.xml
@@ -39,6 +39,7 @@
                 android:onClick="@{backClickListener}"
                 android:visibility="@{viewModel.showBackButton ? View.VISIBLE : View.GONE}"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main1_500"
                 app:layout_constraintBottom_toBottomOf="@id/invisible_title"
                 app:layout_constraintStart_toStartOf="parent"
@@ -131,6 +132,7 @@
                         android:layout_height="@dimen/avatar_presence_badge_in_call_size"
                         android:src="@{viewModel.contact.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
                         android:visibility="@{viewModel.contact.trust == SecurityLevel.Safe || viewModel.contact.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+                        android:contentDescription="@{viewModel.contact.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
                         app:layout_constraintStart_toStartOf="@id/avatar"
                         app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/contact_list_cell.xml b/app/src/main/res/layout/contact_list_cell.xml
index 59b3b6fbf..f9b08e87b 100644
--- a/app/src/main/res/layout/contact_list_cell.xml
+++ b/app/src/main/res/layout/contact_list_cell.xml
@@ -86,6 +86,7 @@
             android:layout_height="@dimen/avatar_presence_badge_size"
             android:src="@{model.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
             android:visibility="@{model.trust == SecurityLevel.Safe || model.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@{model.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/contact_new_or_edit_fragment.xml b/app/src/main/res/layout/contact_new_or_edit_fragment.xml
index db50921dc..b7a8d9478 100644
--- a/app/src/main/res/layout/contact_new_or_edit_fragment.xml
+++ b/app/src/main/res/layout/contact_new_or_edit_fragment.xml
@@ -32,6 +32,7 @@
             android:adjustViewBounds="true"
             android:padding="15dp"
             android:src="@drawable/caret_left"
+            android:contentDescription="@string/content_description_go_back_icon"
             android:background="?attr/color_main2_000"
             app:tint="?attr/color_main1_500"
             app:layout_constraintBottom_toBottomOf="@id/title"
diff --git a/app/src/main/res/layout/file_viewer_fragment.xml b/app/src/main/res/layout/file_viewer_fragment.xml
index 3733004f0..96cfdb610 100644
--- a/app/src/main/res/layout/file_viewer_fragment.xml
+++ b/app/src/main/res/layout/file_viewer_fragment.xml
@@ -112,6 +112,7 @@
             android:adjustViewBounds="true"
             android:padding="15dp"
             android:src="@drawable/caret_left"
+            android:contentDescription="@string/content_description_go_back_icon"
             android:visibility="@{viewModel.fullScreenMode ? View.GONE : View.VISIBLE}"
             app:tint="?attr/color_main1_500"
             app:layout_constraintBottom_toBottomOf="@id/title"
diff --git a/app/src/main/res/layout/generic_add_participants_fragment.xml b/app/src/main/res/layout/generic_add_participants_fragment.xml
index 74a13eb35..6ad2c7894 100644
--- a/app/src/main/res/layout/generic_add_participants_fragment.xml
+++ b/app/src/main/res/layout/generic_add_participants_fragment.xml
@@ -29,6 +29,7 @@
                 android:onClick="@{backClickListener}"
                 android:padding="15dp"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main1_500"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent" />
diff --git a/app/src/main/res/layout/help_debug_fragment.xml b/app/src/main/res/layout/help_debug_fragment.xml
index 53939daf0..a51d4af5f 100644
--- a/app/src/main/res/layout/help_debug_fragment.xml
+++ b/app/src/main/res/layout/help_debug_fragment.xml
@@ -26,6 +26,7 @@
             android:adjustViewBounds="true"
             android:padding="15dp"
             android:src="@drawable/caret_left"
+            android:contentDescription="@string/content_description_go_back_icon"
             app:tint="?attr/color_main1_500"
             app:layout_constraintBottom_toBottomOf="@id/title"
             app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/layout/help_fragment.xml b/app/src/main/res/layout/help_fragment.xml
index dc7ef607b..203a7dfae 100644
--- a/app/src/main/res/layout/help_fragment.xml
+++ b/app/src/main/res/layout/help_fragment.xml
@@ -43,6 +43,7 @@
                 android:adjustViewBounds="true"
                 android:padding="15dp"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main1_500"
                 app:layout_constraintBottom_toBottomOf="@id/title"
                 app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/layout/history_contact_fragment.xml b/app/src/main/res/layout/history_contact_fragment.xml
index 283c5d817..3f494b309 100644
--- a/app/src/main/res/layout/history_contact_fragment.xml
+++ b/app/src/main/res/layout/history_contact_fragment.xml
@@ -36,6 +36,7 @@
                 android:onClick="@{backClickListener}"
                 android:visibility="@{viewModel.showBackButton ? View.VISIBLE : View.GONE}"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main1_500"
                 app:layout_constraintBottom_toBottomOf="@id/title"
                 app:layout_constraintStart_toStartOf="parent"
@@ -117,6 +118,7 @@
                         android:layout_height="@dimen/avatar_presence_badge_in_call_size"
                         android:src="@{viewModel.callLogModel.avatarModel.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
                         android:visibility="@{viewModel.callLogModel.avatarModel.trust == SecurityLevel.Safe || viewModel.callLogModel.avatarModel.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+                        android:contentDescription="@{viewModel.callLogModel.avatarModel.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
                         app:layout_constraintStart_toStartOf="@id/avatar"
                         app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/history_list_cell.xml b/app/src/main/res/layout/history_list_cell.xml
index 2c52a3e7c..19d418ba4 100644
--- a/app/src/main/res/layout/history_list_cell.xml
+++ b/app/src/main/res/layout/history_list_cell.xml
@@ -62,6 +62,7 @@
             android:layout_height="@dimen/avatar_presence_badge_size"
             android:src="@{model.avatarModel.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
             android:visibility="@{model.avatarModel.trust == SecurityLevel.Safe || model.avatarModel.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@{model.avatarModel.trust == SecurityLevel.Safe ? @string/content_description_trusted_contact_icon : @string/content_description_not_trusted_contact_icon}"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/layout/meeting_edit_fragment.xml b/app/src/main/res/layout/meeting_edit_fragment.xml
index 597b73459..79a39c542 100644
--- a/app/src/main/res/layout/meeting_edit_fragment.xml
+++ b/app/src/main/res/layout/meeting_edit_fragment.xml
@@ -45,6 +45,7 @@
                 android:adjustViewBounds="true"
                 android:onClick="@{backClickListener}"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main1_500"
                 app:layout_constraintBottom_toBottomOf="@id/title"
                 app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/layout/meeting_fragment.xml b/app/src/main/res/layout/meeting_fragment.xml
index a023d4508..26f0584ae 100644
--- a/app/src/main/res/layout/meeting_fragment.xml
+++ b/app/src/main/res/layout/meeting_fragment.xml
@@ -37,6 +37,7 @@
             android:adjustViewBounds="true"
             android:padding="15dp"
             android:src="@drawable/caret_left"
+            android:contentDescription="@string/content_description_go_back_icon"
             android:visibility="@{viewModel.showBackButton ? View.VISIBLE : View.GONE}"
             app:tint="?attr/color_main1_500"
             app:layout_constraintBottom_toBottomOf="@id/title"
diff --git a/app/src/main/res/layout/meeting_schedule_fragment.xml b/app/src/main/res/layout/meeting_schedule_fragment.xml
index 0e26fa8cd..f68d3c989 100644
--- a/app/src/main/res/layout/meeting_schedule_fragment.xml
+++ b/app/src/main/res/layout/meeting_schedule_fragment.xml
@@ -45,6 +45,7 @@
                 android:adjustViewBounds="true"
                 android:onClick="@{backClickListener}"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main1_500"
                 app:layout_constraintBottom_toBottomOf="@id/title"
                 app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/layout/meeting_waiting_room_fragment.xml b/app/src/main/res/layout/meeting_waiting_room_fragment.xml
index 787f8425c..a22788f8c 100644
--- a/app/src/main/res/layout/meeting_waiting_room_fragment.xml
+++ b/app/src/main/res/layout/meeting_waiting_room_fragment.xml
@@ -25,6 +25,7 @@
             android:adjustViewBounds="true"
             android:padding="15dp"
             android:src="@drawable/caret_left"
+            android:contentDescription="@string/content_description_go_back_icon"
             app:tint="@color/main1_500"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
diff --git a/app/src/main/res/layout/recordings_fragment.xml b/app/src/main/res/layout/recordings_fragment.xml
index 22f0482ec..723d38731 100644
--- a/app/src/main/res/layout/recordings_fragment.xml
+++ b/app/src/main/res/layout/recordings_fragment.xml
@@ -23,6 +23,7 @@
             android:adjustViewBounds="true"
             android:padding="15dp"
             android:src="@drawable/caret_left"
+            android:contentDescription="@string/content_description_go_back_icon"
             app:tint="?attr/color_main1_500"
             app:layout_constraintBottom_toBottomOf="@id/title"
             app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/layout/settings_fragment.xml b/app/src/main/res/layout/settings_fragment.xml
index 497508c87..5cc251b4c 100644
--- a/app/src/main/res/layout/settings_fragment.xml
+++ b/app/src/main/res/layout/settings_fragment.xml
@@ -26,6 +26,7 @@
             android:adjustViewBounds="true"
             android:padding="15dp"
             android:src="@drawable/caret_left"
+            android:contentDescription="@string/content_description_go_back_icon"
             app:tint="?attr/color_main1_500"
             app:layout_constraintBottom_toBottomOf="@id/title"
             app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/layout/start_call_fragment.xml b/app/src/main/res/layout/start_call_fragment.xml
index 5ba7dd79a..792bc617f 100644
--- a/app/src/main/res/layout/start_call_fragment.xml
+++ b/app/src/main/res/layout/start_call_fragment.xml
@@ -43,6 +43,7 @@
                 android:onClick="@{backClickListener}"
                 android:padding="15dp"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main1_500"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent" />
diff --git a/app/src/main/res/layout/start_chat_fragment.xml b/app/src/main/res/layout/start_chat_fragment.xml
index 261c94f66..17cc95c36 100644
--- a/app/src/main/res/layout/start_chat_fragment.xml
+++ b/app/src/main/res/layout/start_chat_fragment.xml
@@ -40,6 +40,7 @@
                 android:onClick="@{backClickListener}"
                 android:padding="15dp"
                 android:src="@drawable/caret_left"
+                android:contentDescription="@string/content_description_go_back_icon"
                 app:tint="?attr/color_main1_500"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent" />
diff --git a/app/src/main/res/layout/top_bar.xml b/app/src/main/res/layout/top_bar.xml
index 3d64212c8..884c0d50a 100644
--- a/app/src/main/res/layout/top_bar.xml
+++ b/app/src/main/res/layout/top_bar.xml
@@ -52,6 +52,7 @@
             android:layout_height="@dimen/avatar_presence_badge_size"
             android:src="@drawable/trusted"
             android:visibility="@{viewModel.account.showTrust ? View.VISIBLE : View.GONE}"
+            android:contentDescription="@null"
             app:layout_constraintStart_toStartOf="@id/avatar"
             app:layout_constraintBottom_toBottomOf="@id/avatar"/>
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 2e0a4e1e9..a90701f0e 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -564,4 +564,10 @@
     <!-- Keep <i></i> in following strings translations! -->
     <string name="message_meeting_invitation_content_description"><i>meeting invite: </i>%s</string>
     <string name="message_voice_message_content_description"><i>voice message</i></string>
+    
+    <!-- Content description for accessibility -->
+    <string name="content_description_trusted_contact_icon">Contact is trusted</string>
+    <string name="content_description_not_trusted_contact_icon">Contact is not trusted!</string>
+    <string name="content_description_open_drawer_menu_icon">Open drawer menu</string>
+    <string name="content_description_go_back_icon">Go back</string>
 </resources>
\ No newline at end of file