Diagnostic

[___Herold]

I'm truly impressed with diagnostic feature, I had no idea that restarting your device makes it to function more stably

[Bangy]

Turn automatic restart on

[___Herold]

Noted

[Grandmaster24]

You can also use CCleaner app. It even clears junk, cache all that occupy storage.Lot of phones don't have large storage. It has lots of features.

[Sdumz]

My A20 vibration mode isn't working, how can I fix it?