Specific operation steps (taking vivo mobile phone as an example):
1. There is a light bulb icon above friends on the mobile phone screen because the power saving mode is turned on, as shown in the following figure:
2. Step 1: Unlock the mobile phone and enter the desktop. Find my housekeeper on the desktop and click Open, as shown in the following figure:
3. Enter I Butler, and click the power saving management below. As shown in the figure below:
4. After entering the power-saving management, you can see that ordinary power-saving is checked, and then we click the system default to turn off the power-saving mode, and the light bulb icon on it disappears. As shown in the figure below: