Friends if you need a blasting battery backup then follow the steps below
1)Install any CMW based recovery
2)charge your device 100%
3)reboot into recovery
4)delete battery status.bin
5)reboot
Ur done friends
If you want to increase a little more then follow.......
1)download battery booster
2)root your device
3)give it superuser access
Done ......
Enjoy
'HIT THANKS IF HELPED'
In case you need any help post below
1)Install any CMW based recovery
2)charge your device 100%
3)reboot into recovery
4)delete battery status.bin
5)reboot
Ur done friends
If you want to increase a little more then follow.......
1)download battery booster
2)root your device
3)give it superuser access
Done ......
Enjoy
'HIT THANKS IF HELPED'
In case you need any help post below