How to lock Redmi 9 Xiaomi housekeeper?

Follow the following steps to complete.

1 First, please open the "Security Center" application icon on the desktop of MIUI system and enter the main interface of Security Center in MIUI system.

2. After entering the application interface of the Security Center, click the position circled in the picture in the upper right corner of the page to enter the Security Center-Application Lock Settings page.

3. Next, in the pop-up page, we can see that the application lock has been successfully applied and taken effect. You need to verify the gesture password before you can continue.

4. After the gesture password is verified, we enter the application lock setting page, where we can set some specific applications for encryption to make the applications more secure when they are opened.

5. Click and select the application button switch that needs to open the application lock, and directly click the corresponding button switch behind the application to open it.

6. Next, let's go back to the mobile phone desktop and click the encryption application menu. When we open the application, we can see that the setting has been in a successful state.