going off

[libisj67]

my nexus goes off .for no reason it work for 10 mins or 1hour some times 30mins etc .
then you can unlock the screen after 5mins or 7 or 10 min it may go on can any one help.

 

[Haalcyon]

Welcome to the forums!

Have you tried to killing any downloaded app processes or tried doing a factory reset?