Apple iPhone 11 Pro Max

iOS 15.0

iOS 18 iOS 16.0 iOS 15.0 iOS 14.0 iOS 13.0

Short battery life on my Apple iPhone 11 Pro Max iOS 15.0

Cause 11 of 15: Low Power Mode has been turned off

You can reduce the power consumption by turning on Low Power Mode.

Step 1 of 4

Find "Battery"

Press Settings.

Step 2 of 4

Find "Battery"

Press Battery.

Step 3 of 4

Extend the battery life

Press the indicator next to "Low Power Mode" to turn on the function.

Step 4 of 4

Return to the home screen

Slide your finger upwards starting from the bottom of the screen to return to the home screen.

Press Settings.

Press Battery.

Press the indicator next to "Low Power Mode" to turn on the function.

Slide your finger upwards starting from the bottom of the screen to return to the home screen.