You may need to save battery power. Let's see how to do that.

Using Power Saver

Using Power Saver manually

1. Tap on to open the settings.
2. Tap on the Battery button.
3. Tap the toggle next to Power Save Mode to turn it on .
   • The Power Save Mode is now enabled.
4. To turn the Power Save Mode off, tap the switch again until the check mark disappears.

Using Power Saver automatically

1. Tap on to open the settings.
2. Tap on the Battery button.
3. Tap the drop down menu underneath "Turn on automatically".
4. Select how much battery capacity should be left before the Power Save Mode is enabled.

Close unneeded apps

1. Hold the home button until the application switcher appears.
2. Slide the screen left and right until you find an unneeded app.
3. Close this app by tapping on the button or simply swipe it up and off the screen.