The Iphone6 uses a battery doctor to check the health of the battery. Why was it 100% a few days ago?

Viewing with third-party software is not accurate. You can use the ios system to view in the settings and demonstrate with the Apple 6s mobile phone.

Preparation tools: Apple mobile phone, ios 1 1.4 system.

1. First, you need to upgrade your mobile phone to 1 1.4 to check the battery health of your mobile phone.

2. Enter the setting options, click on the battery and enter the settings.

3. Click on the battery health to enter the state of viewing the battery of the mobile phone.

4. After entering, you can see the current health status of the mobile phone. When the battery does not support the peak performance capacity, it means that the mobile phone battery needs to be replaced. If it is not displayed, the battery of the mobile phone is in good condition.