OPPO Reno13 FS 5G
Extending the battery life
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.
Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press Battery.
Press Battery mode.
Press the indicator next to "Power saving mode" to turn on the function.
Slide your finger upwards starting from the bottom of the screen to return to the home screen.