You can also go directly to official website for consultation. Steps:
1: Baidu searches for' Apple official website'
2. Enter Apple official website and select' Technical Support'.
3: Click the "iPhone" icon to enter iPhone support.
4: Enter "iPhone Support" and click the maintenance option.
5: Enter the "iPhone Maintenance" page, scroll down, and there is a blue click "Start Maintenance Request". As shown in the figure:
6. Enter the details page at this time, as shown in figure:
At this time you can choose according to your actual situation. For example, I choose the battery problem.
There will be these options. You can choose according to your actual needs. As for the official maintenance point near you, you should consult Apple's customer service, and I believe they will be happy to tell you.