How to set SMS password for Apple 5s?

1. Open the settings on the phone's home screen;

2. Find the General button in the settings and click Open;

3. generally choose the TOUCH ID and password;

4. Open the simple password button in the TOUCH ID and password;

5. After that, you can enter the password you want to set, and the password must be entered twice;

6. After setting and returning, you will see the password entered when the SMS is opened, and that's it.