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Some functions on your phone use a lot of power and therefore significantly reduce the battery life. You can reduce the power consumption by turning on low power mode.
1. Find "Battery Saver"
Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press Battery Saver.
2. Extend the battery life
Press the indicators next to the required settings.
Press the indicator below "Battery Saver".
3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.