OPPO A11x Power saving mode setting method: Enter \"Settings > Battery > Power saving mode\"\/\" Power saving mode automatically off \"\/\" Set power automatically on \"After the power saving mode is enabled, some background applications will be closed, background automatic synchronization function will be suspended, screen brightness will be reduced, and touch vibration effect will be turned off. When the power saving mode is turned on, the power saving mode will be turned on automatically when the power is less than 60%, and the power saving mode will be turned off automatically when the charge reaches 60%. When the power reaches the set value, the power saving mode will be automatically turned on. You can set the set power by dragging the progress bar (the range of configurable power is 5%~75%).