Tools/materials: iPhone 13, IOS 15.5, local settings 15.
1. In the settings of Apple's mobile phone, click to enter the general interface.
2. Then in the settings, select the battery option.
3. In the battery interface, select battery health and charging.
4. Then turn on the optimized battery charging function.
5, then choose to turn off the phone and restart it, so that the battery can be healthy.