1. Erase software data: Settings-Find Application Manager-(All)-Find software name-(Store)-Erase data (pay attention to the important data in the backup software).

2. If you need networking software, please check whether the Internet environment of your mobile phone is normal.

3. If it doesn't work, please turn off the phone and restart it.

4. If you download the software yourself, it is recommended to uninstall the software and reinstall it (it is recommended to try to download the latest version of the software).

5. Update the mobile phone system version. Note: Please back up the data in the device before upgrading.

6. If it still doesn't work properly, please back up your mobile phone data (phone book, text messages, pictures, etc.). ) and try to restore the phone to the factory settings.