How to check the battery health of iphone 8 plus?

1. If the version of your mobile phone system is high enough, you can find the battery directly in the settings, and the battery will show the degree of wear and health;

2. download a third-party software, such as battery life, and you can see it after installation.

3. The mobile phone is connected to the computer, the computer downloads the AISI assistant, and the battery health is checked through the AISI assistant.