Why does red rice note jump back to the home screen when changing the ringtone?

Red rice note sets the home page of the ringtone flashback meeting, which is generally caused by system abnormality.

In this case, it is suggested that users can try to repair the machine by brushing the machine. Users can go to miui official website, download the latest version of the system, and then import it into the root directory of mobile phone memory.

When the machine is turned off, press and hold the Volume Up+Power button at the same time to start the machine. When the screen lights up, release the power button and hold down the volume button for a long time to enter the recovery mode.

Select Simplified Chinese and confirm, the volume button selects the power button to confirm, and the option to install update.zip into the system and confirm.

Select OK and wait for completion. Select restart to enter the new system.