Calls and contacts
Apps and media
Cause 2 of 5: Automatic screen lock is turned off
When the screen lock is turned on, the phone's screen light is turned off. If the phone's screen lock is turned off or is set set to turn on after a long period of time, the power consumption may increase.
Solution: Turn on automatic screen lock.
Turn on the screen lock
Briefly press On/Off.
Press the Left selection key.
Turn off the screen lock