How to repair Xiaomi 8' s installation of Dongguan Bank's mobile phone flash back?

1. The flashback of mobile phone software may be caused by the failure to update the mobile phone system or software. Mobile phone system or software should be updated to keep the latest version.

2. Clean up the phone memory. Too much memory occupied by the mobile phone may cause the mobile phone to run smoothly. It is necessary to keep the mobile phone with a certain amount of memory, so as not to cause some software to flash back when running. Reduce the number of application software running in the background. Too much software running at the same time will lead to the flash of mobile phone cards.

3. Always clean the cache files of mobile phone software. Software cache files will occupy a lot of mobile phone memory, and too many cache files may cause the mobile phone to flash back.

4. Check whether the network used by the mobile phone is smooth and stable. Unstable networks sometimes cause software to flash back when disconnected. It is recommended to use WiFi and use software that is easy to flash back.

5. If necessary, you can back up the files of the mobile phone and then restore the factory value of the mobile phone.