Vibration

[332]

My device vibration is bad work
Plz help me

[Phy]

Could you elaborate more on what the problem is exactly?

[Phy]

In the mean time, you can try booting on safe mode and check if you are still having the same problem.

How to boot on safe mode
http://talk.sonymobile.com/t5/FAQ/How-to-boot-your-phone-into-safe-mode/m-p/348008#U348008

How to boot on safe mode on Lolipop
1. press and hold the power key
2. once you get the pop up menu 
3. press and hold "power off" 
4. Boot on safe mode should become available