Joke Collection Website - Public benefit messages - How to delete all the information on Apple's mobile phone and all the messages on iphone?

How to delete all the information on Apple's mobile phone and all the messages on iphone?

1. Open settings, find information and enter it, and find reservation information and enter it.

2. Check the "30 days" option and click "Delete" to restart the phone.

3. Open Info, click Edit in the upper left corner, check the information to be deleted, and click Delete in the lower right corner.