I will list ways to make your cellphone's last long before it runs down below:

1. Turn off radio devices like Wi-Fi, Mobile Data Connection, GPS, Bluetooth, Infra-red and so on when not in use.
2. Lower or completely disable brightness and contrast
3. Switch off your phone when not in use.
4. Disable wallpaper and screensavers animations and animated themes
5. Charge your phone's battery full and let it become low before re-charging it.
6. Use original chargers to charge your phone and avoid the use of desktop.
7. Avoid contact with hot surface and Keep it in a cool dry place
8. Send SMSes more than phone calls.

View more explanations at http://forum.ejaworld.cf/31

Nice update but what essence is my fone without all this