diff --git a/build.gradle b/build.gradle
index ae84b64b8..c761b2f70 100644
--- a/build.gradle
+++ b/build.gradle
@@ -90,7 +90,7 @@ dependencies {
     implementation 'com.google.guava:guava:30.1.1-android'
     implementation 'com.github.AppIntro:AppIntro:6.1.0'
     implementation "androidx.browser:browser:1.3.0"
-    implementation fileTree(include: ['libwebrtc-m90.aar'], dir: 'libs')
+    implementation fileTree(include: ['libwebrtc-m92.aar'], dir: 'libs')
 }
 
 ext {
@@ -105,15 +105,15 @@ android {
 
         }
     }
-    compileSdkVersion 30
+    compileSdkVersion 29
 
     defaultConfig {
         minSdkVersion 21
-        targetSdkVersion 30
+        targetSdkVersion 29
 
         //bversionNameSuffix " beta_(2021-06-28)" // " beta_(XXXX-XX-XX)" // activate for beta versions
-        versionCode 106
-        versionName "1.4"
+        versionCode 107
+        versionName "1.4.1"
         //resConfigs "en"
 
         archivesBaseName += "-$versionName"
@@ -221,7 +221,6 @@ android {
 
         }
     }
-    buildToolsVersion '30.0.3'
 
     packagingOptions {
         exclude 'META-INF/BCKEY.DSA'
diff --git a/fastlane/metadata/android/de/changelogs/107.txt b/fastlane/metadata/android/de/changelogs/107.txt
new file mode 100644
index 000000000..d630e22d2
--- /dev/null
+++ b/fastlane/metadata/android/de/changelogs/107.txt
@@ -0,0 +1 @@
+* Fehler beim Speicherzugriff korrgiert wegen unpassender SDK Version
diff --git a/fastlane/metadata/android/en-US/changelogs/107.txt b/fastlane/metadata/android/en-US/changelogs/107.txt
new file mode 100644
index 000000000..228b09cb3
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/107.txt
@@ -0,0 +1 @@
+* fixed error accessing storage to download image and make backups