To work properly on MUI, additional settings are required. 1. Enable [Autostart] and [Other permissions]. 2. Lock [Auto Play Music] app to prevent it from being killed. Please refer to the following pictures and descriptions for the settings. 1. How to enable [Autostart] and [Other permissions]. 1) Long press the [Auto Play Music] icon. 2) Tap on [App info]. 3) Tap on [Autostart] to enable it. 4) Tap on [OK] to grant the permission. 5) Tap on [Other permissions]. 6) Grant all the permissions that are not enabled yet. 7) If the permissions are enabled as shown in the picture, you are done. 2. How to lock [Auto Play Music] app to prevent it from being killed. 1) Tap on the [Security] icon. (This is a MIUI default app.) 2) Tap on the settings icon in the top right corner. 3) Tap on [Boost speed]. 4) Tap on [Lock apps]. 5) Find and tap on [Auto Play Music]. 6) If the permission is granted, you are done.