2. still not working. If data traffic is used, please open Settings ~ Mobile Network ~ Access Point Name ~ Try another access point. Or click "Reset to Default Settings" below to try.
3: Still no good. Please go to System Settings-Applications-Applications-Clear Data, or uninstall the software. After booting, go to the application supermarket to download and install the software, and try to recover.
4. Still no good. If the application is not the one that comes with MIUI system, it is recommended to consult the developer of the software.