Answer
To disable sync within Gmail, go to the settings menu, select which you wish to adjust (such as accounts), and deselect the sync option.
SOLVED – Bypass Google Account Verification | Remove Previously Synced Gmail on Samsung S7
When you experience problems accessing your Gmail account, try force stopping the app through your device settings then restarting it. In addition, clear the app’s cache and data by uninstalling and reinstalling it. Sometimes this will fix any glitches with Gmail without any other tweaking necessary. Finally, if those steps don’t work you can also update your
To disable sync within Gmail, go to the settings menu, select which you wish to adjust (such as accounts), and deselect the sync option.
Turning off auto syncing for Google’s services will save some battery life. In the background, Google’s services talk and sync up to the cloud.