In times when you don't need to use much of your phone, turn Extreme power saving mode on to extend battery life longer.
In this mode, standby time can last longer than usual, and you can only use the most basic functions such as phone calls, text messaging, and email.
Home screen, swipe up and then find and tap
- Tap Battery.
Tap the Extreme power saving mode
On/Off switch to turn extreme power saving mode on or off.
If you want to set when to automatically switch this mode on, tap
Extreme power saving mode, select the Automatically turn on extreme power saving mode when battery life is below the level I specify option, and select a battery level.
Under More information, tap Learn more for details on how Extreme power saving mode maximizes battery life.