Xperia z battery drains fast

[Djugurtha26]

I have an xperia z my battery drained too fast so i replaced it but still the issue wasnt fixed
* Battery last around 1h 20 on wifi
when i reboot the phone the battery drains for like 20 % somtimes it even goes from 60 to 25 % when i do that
* is this a hardware issue cz i've used all kind of roms from stock to custome ones

 

[ghulamzaheer1]

Re: Xperia Z battery drains fast

I was facing same problem with my Xperia z. Soon after update to lollipop.
1.Battery drains fast
2.Use during charging battey drains
Here is the solution that works for me it might help you.
Go to
Settings>Security>DeviceAdministrators
Uncheck the
Android device manager