How to set the Apple information flash?

Apple information flash setting method is as follows:

Operating environment: iPhone 13, iOS 16. 1 etc.

1. After opening Apple's settings, select accessibility features in the page.

2. After opening a new page, slide the page up, select audio/video in the interface, and then click.

3. After turning to a new page, click on the flashing LED at the bottom of the page to remind you.

4. After entering another interface, flash the LED at the top of the page to remind you to open it.

5. If the phone is in silent mode and there is a flash to remind you to send a message, just turn on the flash function in silent mode.