First step is to update your Gmail application so you can run the application smoothly. Next, restart your device so the app and your smartphone’s operating system can re-establish the connection. Check your settings next to verify why has my Gmail stopped working. It could be because of you’re offline, airplane mode is turned on, or your smartphone’s storage is full. Check your password to be sure, if your credentials are invalid or incorrect, Gmail won’t work until you login it using the correct credentials.
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