G George New member Aug 23, 2014 #1 I upgrade my mobile to 4.1.2 jelly bean and the problem I am facing is that its battery life decreases . even on standby it eats alot of battery so I want to downgrade to ice cream sandwich, so guide me the procedure.
I upgrade my mobile to 4.1.2 jelly bean and the problem I am facing is that its battery life decreases . even on standby it eats alot of battery so I want to downgrade to ice cream sandwich, so guide me the procedure.