It's been a long time since I have been looking for a way to put the StatusBar transparent. Until then, the method to do this was to open an APK file, do complicated modifications, sign it again and replace the original on the phone. A quite operation ...

Do a software update on a mobile or Android tablet is never a very quiet operation. There are always risks involved. You should remove the partition data “\date” and “\cache”, clear the cache dalkik, and install again the Android inflating themselves ...