Operating tools: Huawei mate9, EMUI 10.0.
1. Open our Huawei mobile phone and click Ann Bunny, as shown in the figure below.
2. After entering, click Function Test, as shown in the figure below.
3. Enter the function test and enter the battery loss test, as shown in the figure below.
4. Enter the battery loss test interface and insert the mobile phone charger, which needs to be continuously charged for more than 10 minutes, as shown below.
5. After continuous charging for a period of time, pull out the charger, you can see the battery health, design capacity and expected capacity, and you can also see the capacity loss of the battery, as shown in the figure below.