completely sanitize your Android phone and make it faster.
1. Dial *#9900# – This will bring up the following screen – Sysdump
2. Hit the ‘Delete dumpstate/logcat‘ button. Hit OK on the confirmation dialog.
3. Scroll to the end of the screen and hit ‘Exit’
That’s all you need to do as For Now, many who tried it have confirm it working. just give it a try and tell us if it works perfectly for you.