You can do the following: Restart the application. Check the updated system version. Check application compatibility. Check the application permissions. Clear application data. Uninstall and reinstall the application. Try to uninstall and update Android Webview (GMS devices only). Clean up the storage space of mobile phone. Restore factory settings.

Keep is an app, which was launched on February 4, 20 15. Committed to providing one-stop sports solutions such as fitness teaching, running, cycling, making friends, fitness diet guidance and equipment purchase. Keep has opened an offline sports space, Keepland, to sell KeepKit series of intelligent hardware products. The App Store named "20 15 featured applications".