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Specifications
Cause 11 of 15: Low Power Mode has been turned off
You can reduce the power consumption by turning on Low Power Mode.
Solution: Turn on Low Power Mode.
Find "Battery"
Press Settings.
Press Battery.
Extend the battery life
Press the indicator next to "Low Power Mode" to turn on the function.
Return to the home screen
Press the Home key to return to the home screen.
Or choose...