Why does Xiaomi mobile phone 2A always have birds singing?

I suggest you try to clear the data. Please back up the data before cleaning. Don't rush to recover data after cleaning. Test it. In addition, don't arbitrarily grant ROOT permission when using the mobile phone, and the software that needs to be upgraded should be upgraded in time (backup: security center-backup, backup the data you need. Clear data: press and hold the volume up button and the power off button when the boot screen appears, and then let go to resume. Enter Recovery & gt Chinese > clear data > clear all data. )

A more detailed description of the problem will help netizens understand your troubles and help you solve the problem more accurately. Thank you for supporting Xiaomi mobile phone!