1 . Make sure all connections have been turned off : such as Wifi, Mobile data and Bluetooth are off!




2 . Make sure the brightness of your phone is ''Minimun''




3 . Make sure you have turned on the ''power saver'' in your phone.




4 . Turn your network mode to GSM




5 . Make sure the theme effect in ''off''




6 . Set The screensaver ''None''




7 . Make sure when you leave your phone there is no application is running.


8 . Make sure you have locked the screen of your phone before you leave it.



Thanks grouphug.gif