1. Enter the phone settings: find the "Settings" icon in the phone's home screen or application list, and click to open the phone settings.
2. Find the battery settings: in the settings interface, find and click the "battery" or "battery and power supply" option.
3. Check the battery usage record: In the battery setting interface, the recent battery usage is usually displayed. You can browse battery life, application power consumption and other related information.
4. Clear the battery usage record: Different mobile phone manufacturers and operating system versions may put this option in different locations. You can try to find options like "Clear battery history" or "Reset statistics". Click this option to confirm the purge operation.