How to encrypt mobile phone short messages?

System version: iOS 15. 1

In order not to be viewed by others, we can lock the SMS separately, so how to lock the SMS in Apple's mobile phone? Next, the detailed operation steps are brought.

1, open the settings.

2. Select the screen usage time.

3. Select application restrictions.

4. Click Add Limit.

5, open social.

6. Check the information.

7. Click Next in the upper right corner.

8. Adjust the time to 1 min.

9. Click Add in the upper right corner.

10, click the button to the right of App limit, and it will be displayed in green.

Summary: Open settings, select screen usage time, select App limit, click Add limit, open social network, check information, click Next in the upper right corner, adjust the time to 1 minute, click Add in the upper right corner, and click the button on the right side of App limit to be green.