When you enter battery settings, the phone scans the battery usage issues automatically. You can choose to check and fix the battery usage issues.
1. Go to battery settings. 2. Open Battery saver page.
3. Tap Fix 1 battery usage issue.
The phone starts fixing the issues.
Note
You may have no or more battery usage issues to fix or optimize in real situations. The suggestions may be on battery usage issues or battery optimizations.