Xiaomi 1 1 How to set the password for SMS?

There is a lot of private content in the mobile phone, and there are also messages. Xiaomi 1 1 How to set the password for SMS? Let's take a look together ~

Xiaomi 1 1 How to set the password of SMS 1, open the phone settings and click Apply Settings.

2. Click Apply Lock.

3. Turn on the switch of SMS.

This paper takes Xiaomi 1 1 as an example and applies it to MIUI 12 system.