Рекомендую использовать дополнительные приложения для синхронизации. В этом случае больше шансов на сохранение ваших данных.

If you're having trouble syncing your data with Google account, try clearing data of Google Play services and try again. If it doesn't help then uninstall Google services through GMS Installer and reinstall them with mobile network. If you have trouble with Meizu account sync then please try using a VPN.