Phone restarts itself

[Dontcryitsawkward]

Had the restart issue shortly after upgrading to 4.2 with random reboots and found out it was caused by HD Widgets lockscreen. Removed HD Widgets until it is updated (they are aware) and no more issues.

How do you find out what is causing the issue?

 

[chandan sharma3]

Its not the phone. its the battery

You are right it's battry problem .do you know how to fix it with same battry