diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3bb64f856..a3903a835 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,11 +11,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - File viewer in chats (Image/Animated Image/Video/Texts) with the option to export the file.
 - Accept/decline CLI commands.
 
-## 5.0.12 - 2023-02-28
+## 5.0.12 - 2023-03-01
 
 ## Fixed
+- Some case of unwanted settings folders creation.
+- Replace black thumbnails that contains transparency by white color.
 - Unusable Contact sheet.
-- Update SDK to 5.2.28 (cleanup orphan NAT sections and race condition on MSTicker threads)
+- Update SDK to 5.2.28 (cleanup orphan NAT sections and race condition on MSTicker threads).
 
 ## 5.0.11 - 2023-02-24
 
diff --git a/linphone-app/src/components/content/ContentModel.cpp b/linphone-app/src/components/content/ContentModel.cpp
index 1e16ee65b..dd07c0b1c 100644
--- a/linphone-app/src/components/content/ContentModel.cpp
+++ b/linphone-app/src/components/content/ContentModel.cpp
@@ -24,6 +24,7 @@
 #include <QDesktopServices>
 #include <QImageReader>
 #include <QMessageBox>
+#include <QPainter>
 
 #include "app/App.hpp"
 #include "app/paths/Paths.hpp"
@@ -163,20 +164,26 @@ void ContentModel::createThumbnail (const bool& force) {
 		if(!appdata.mData.contains(path) 
 				|| !QFileInfo(QString::fromStdString(Paths::getThumbnailsDirPath())+appdata.mData[path]).isFile()){
 			// File don't exist. Create the thumbnail
+			QImage originalImage(path);
 			
-			QImage image(path);
-			if( image.isNull()){// Try to determine format from headers
+			if( originalImage.isNull()){// Try to determine format from headers
 				QImageReader reader(path);
 				reader.setDecideFormatFromContent(true);
 				QByteArray format = reader.format();
 				if(!format.isEmpty())
-					image = QImage(path, format);
+					originalImage = QImage(path, format);
 			}
-			if (!image.isNull()){
+			if (!originalImage.isNull()){
 				int rotation = 0;
 				QExifImageHeader exifImageHeader;
 				if (exifImageHeader.loadFromJpeg(path))
 					rotation = int(exifImageHeader.value(QExifImageHeader::ImageTag::Orientation).toShort());
+// Fill with color to replace transparency with white color instead of black (default).
+				QImage image(originalImage.size(), originalImage.format());
+				image.fill(QColor(Qt::white).rgb());
+				QPainter painter(&image);
+				painter.drawImage(0, 0, originalImage);
+//--------------------
 				QImage thumbnail = image.scaled(
 							Constants::ThumbnailImageFileWidth, Constants::ThumbnailImageFileHeight,
 							Qt::KeepAspectRatio, Qt::SmoothTransformation
diff --git a/linphone-app/src/components/recorder/RecorderModel.cpp b/linphone-app/src/components/recorder/RecorderModel.cpp
index 955875022..78f10e01a 100644
--- a/linphone-app/src/components/recorder/RecorderModel.cpp
+++ b/linphone-app/src/components/recorder/RecorderModel.cpp
@@ -87,7 +87,7 @@ void RecorderModel::start(){
 			.arg(QDateTime::currentDateTime().toString("yyyy-MM-dd_hh-mm-ss-zzz"));
 	const QString safeFilePath = Utils::getSafeFilePath(
 				QStringLiteral("%1%2")
-				.arg(Utils::coreStringToAppString(Paths::getCapturesDirPath()))
+				.arg(CoreManager::getInstance()->getSettingsModel()->getSavedCallsFolder())
 				.arg(filename),
 				&soFarSoGood
 				);
diff --git a/linphone-app/src/components/settings/SettingsModel.cpp b/linphone-app/src/components/settings/SettingsModel.cpp
index 1404eae33..a2b76be29 100644
--- a/linphone-app/src/components/settings/SettingsModel.cpp
+++ b/linphone-app/src/components/settings/SettingsModel.cpp
@@ -1436,11 +1436,10 @@ void SettingsModel::setTextMessageFontSize(const int& size){
 }
 	
 QString SettingsModel::getSavedScreenshotsFolder () const {
-	return QDir::cleanPath(
-			       Utils::coreStringToAppString(
-							    mConfig->getString(UiSection, "saved_screenshots_folder", Paths::getCapturesDirPath())
-							    )
-			       ) + QDir::separator();
+	auto path = mConfig->getString(UiSection, "saved_screenshots_folder", "");
+	if(path == "")
+		path = Paths::getCapturesDirPath();
+	return QDir::cleanPath(Utils::coreStringToAppString(path)) + QDir::separator();
 }
 
 void SettingsModel::setSavedScreenshotsFolder (const QString &folder) {
@@ -1452,15 +1451,17 @@ void SettingsModel::setSavedScreenshotsFolder (const QString &folder) {
 // -----------------------------------------------------------------------------
 
 static inline string getLegacySavedCallsFolder (const shared_ptr<linphone::Config> &config) {
-	return config->getString(SettingsModel::UiSection, "saved_videos_folder", Paths::getCapturesDirPath());
+	auto path = config->getString(SettingsModel::UiSection, "saved_videos_folder", "");
+	if(path == "")// Avoid to call default function if exist because calling Path:: will create a folder to be writable.
+		path = Paths::getCapturesDirPath();
+	return path;
 }
 
 QString SettingsModel::getSavedCallsFolder () const {
-	return QDir::cleanPath(
-			       Utils::coreStringToAppString(
-							    mConfig->getString(UiSection, "saved_calls_folder", getLegacySavedCallsFolder(mConfig))
-							    )
-			       ) + QDir::separator();
+	auto path = mConfig->getString(UiSection, "saved_calls_folder", "");// Avoid to call default function if exist.
+	if(path == "")
+		path = getLegacySavedCallsFolder(mConfig);
+	return QDir::cleanPath(Utils::coreStringToAppString(path)) + QDir::separator();
 }
 
 void SettingsModel::setSavedCallsFolder (const QString &folder) {
@@ -1472,11 +1473,10 @@ void SettingsModel::setSavedCallsFolder (const QString &folder) {
 // -----------------------------------------------------------------------------
 
 QString SettingsModel::getDownloadFolder () const {
-	return QDir::cleanPath(
-			       Utils::coreStringToAppString(
-							    mConfig->getString(UiSection, "download_folder", Paths::getDownloadDirPath())
-							    )
-			       ) + QDir::separator();
+	auto path = mConfig->getString(UiSection, "download_folder", "");// Avoid to call default function if exist because calling Path:: will create a folder to be writable.
+	if(path == "" )
+		path = Paths::getDownloadDirPath();
+	return QDir::cleanPath(Utils::coreStringToAppString(path)) + QDir::separator();
 }
 
 void SettingsModel::setDownloadFolder (const QString &folder) {