diff --git a/linphone.xcodeproj/project.pbxproj b/linphone.xcodeproj/project.pbxproj
index 5d7077afc..11bc740c5 100644
--- a/linphone.xcodeproj/project.pbxproj
+++ b/linphone.xcodeproj/project.pbxproj
@@ -5015,7 +5015,7 @@
 				IBC_MODULE = linphoneapp;
 				IBSC_MODULE = linphoneapp;
 				INFOPLIST_FILE = "linphone-Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				LIBRARY_SEARCH_PATHS = (
 					"$(BUILT_PRODUCTS_DIR)",
@@ -5141,7 +5141,7 @@
 				IBC_MODULE = linphoneapp;
 				IBSC_MODULE = linphoneapp;
 				INFOPLIST_FILE = "linphone-Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				LIBRARY_SEARCH_PATHS = (
 					"$(BUILT_PRODUCTS_DIR)",
@@ -5266,7 +5266,7 @@
 				IBC_MODULE = linphoneapp;
 				IBSC_MODULE = linphoneapp;
 				INFOPLIST_FILE = "linphone-Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				LIBRARY_SEARCH_PATHS = (
 					"$(BUILT_PRODUCTS_DIR)",
@@ -5390,7 +5390,7 @@
 				IBC_MODULE = linphoneapp;
 				IBSC_MODULE = linphoneapp;
 				INFOPLIST_FILE = "linphone-Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				LIBRARY_SEARCH_PATHS = (
 					"$(BUILT_PRODUCTS_DIR)",
@@ -5456,7 +5456,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				INFOPLIST_FILE = linphoneExtension/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MARKETING_VERSION = 4.6.2;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = org.linphone.phone.linphoneExtension;
@@ -5498,7 +5498,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				INFOPLIST_FILE = linphoneExtension/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MARKETING_VERSION = 4.6.2;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				PRODUCT_BUNDLE_IDENTIFIER = org.linphone.phone.linphoneExtension;
@@ -5540,7 +5540,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				INFOPLIST_FILE = linphoneExtension/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MARKETING_VERSION = 4.6.2;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				PRODUCT_BUNDLE_IDENTIFIER = org.linphone.phone.linphoneExtension;
@@ -5583,7 +5583,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				INFOPLIST_FILE = linphoneExtension/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				MARKETING_VERSION = 4.6.2;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				PRODUCT_BUNDLE_IDENTIFIER = org.linphone.phone.linphoneExtension;
@@ -5682,7 +5682,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				INFOPLIST_FILE = "$(SRCROOT)/msgNotificationService/Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @executable_path/../../Frameworks";
 				MARKETING_VERSION = 4.6.2;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
@@ -5734,7 +5734,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				INFOPLIST_FILE = "$(SRCROOT)/msgNotificationService/Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @executable_path/../../Frameworks";
 				MARKETING_VERSION = 4.6.2;
 				MTL_ENABLE_DEBUG_INFO = NO;
@@ -5786,7 +5786,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				INFOPLIST_FILE = "$(SRCROOT)/msgNotificationService/Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @executable_path/../../Frameworks";
 				MARKETING_VERSION = 4.6.2;
 				MTL_ENABLE_DEBUG_INFO = NO;
@@ -5838,7 +5838,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				INFOPLIST_FILE = "$(SRCROOT)/msgNotificationService/Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @executable_path/../../Frameworks";
 				MARKETING_VERSION = 4.6.2;
 				MTL_ENABLE_DEBUG_INFO = NO;
@@ -5894,7 +5894,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				INFOPLIST_FILE = msgNotificationContent/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @executable_path/../../Frameworks";
 				MARKETING_VERSION = 4.6.2;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
@@ -5946,7 +5946,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				INFOPLIST_FILE = msgNotificationContent/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @executable_path/../../Frameworks";
 				MARKETING_VERSION = 4.6.2;
 				MTL_ENABLE_DEBUG_INFO = NO;
@@ -5998,7 +5998,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				INFOPLIST_FILE = msgNotificationContent/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @executable_path/../../Frameworks";
 				MARKETING_VERSION = 4.6.2;
 				MTL_ENABLE_DEBUG_INFO = NO;
@@ -6050,7 +6050,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				INFOPLIST_FILE = msgNotificationContent/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @executable_path/../../Frameworks";
 				MARKETING_VERSION = 4.6.2;
 				MTL_ENABLE_DEBUG_INFO = NO;