Originally Posted by vampire151
I upgraded 4.4.2, battery is bad and i can't power off (it's auto reboot). So i want come back 4.3 (MJ4). I'm lost my imei
anyone know, please help me
You cannot go back to 4.3 from 4.4.2, you'll brick your phone.
I have wonderful battery life on 4.4.2; I'm a lite user and I regularly get 4-5 days.
You should download better battery stats
it can help identify which app or process is eating your battery up.