Tool: Huawei mate9
Operating system: EMUI 10.0.
Program: dialing function v8.2 1
1. First open the dial icon on the mobile phone desktop, as shown in the following figure:
2. Then enter the code "*#*#2846579#*#*", as shown in the following figure:
3. At this time, the interface will automatically jump to the item menu page, and click the power supply, as shown in the figure below:
At this time, you can check the life of the battery. According to the prompt: the battery charging ratio is between 60 and 75, and the battery temperature is below 70℃. The service life of the battery can be prolonged, as shown in the following figure: