How to shoot books with online classroom cameras?

1. Open "Settings" on the phone desktop, and manually slide down to find "More Settings" to enter.

2. After entering "More Settings", slide down and find "Application Management" to enter.

3. Enter "Application Management" and slide down to find a "nail" to enter.

4. Enter "Nail", click on the nail application information interface, and slide down to find "Permission" to enter.

5. After entering "Permission", slide down and find "Camera" to enter.

6. Enter the "camera", close the slider behind the "camera" and turn on the nailed rear camera. After that, you can take pictures of the book normally.