1. After changing other networks or backing up data, go to Settings-Applications and Permissions-Application Management-Click on the upper right corner-Show system flow-find the corresponding software-store, clear the data and then use it.
2. Check whether the mobile phone system version and software version are the latest, and if the new version can be detected, experience it after updating;
3. Uninstall and reinstall the software after backing up the data;
If the above methods are ineffective after operation, you can take the mobile phone and purchase certificate to the customer service center for testing and processing in time. The address of the customer service center is: enter the service outlet of vivo official website /vivo Mall APP-mine-or the webpage version of vivo official website-slide to the bottom-service support-service outlet query-select provinces and cities to query the address of the customer service center. It is recommended to call in advance before going to avoid empty running, plan your trip reasonably and travel safely.