How to use Lock Screen & Notifications iOS 13 with Xiaomi devices

Step 1: Open Playstore, search and install app "Lock Screen & Notifications iOS 13"
Step 2: Open app "Lock Screen & Notifications iOS 13" and choose ALLOW to grant Camera permission.

Step 3: With Xiaomi devices need grant Autostart permission first. Click Ok and grant it as image below:

If can't open Autostart screen try to use other method:

Open Security app > Manage apps > Permissions > Autostart and grant autostart permisson.

Step 4: Back to main screen, switch on button in header and click OK button to grant notifications access.

Step 5: Grant Overlay permission if have request.

Step 6: Disable system lock to show only "Lock Screen & Notifications iOS 13".

Try to use power button to turn off/on and check the "Lock Screen & Notifications iOS 13".