Tools/raw materials: Xiaomi mix3, MIUI 12, setting 1.0.
1. Click the settings icon.
2. Enter the setting interface.
3. Drill down to find power and performance, and then click.
4. Click Energy Saving Optimization.
5. If there is optimization, click one button to expand; If there is no optimization, skip to the next step.
6. Enter the power saving optimization interface.