Ways to Fix Gmail Not Syncing issues on Android and iPhone and Outlook 365. Get a troubleshooting guide to resolve Gmail contacts do not sync error with Blackberry after the update.
How do I fix a Gmail sync error?
Troubleshooting Method 1
Step 1: update your Gmail app. Update your Gmail app for the latest solutions to problems sending or receiving email.
Step 2: Restart your device.
Step 3: Check your settings.
Step 4: clear your storage. ...
Step 5: check your password. ...
Step 6: clear your Gmail information.
Troubleshooting Method 2
Tap your account and make sure you have "Sync Gmail" turned on. ... Open your device's Settings app -> Apps & notifications -> App info -> Gmail -> Storage -> Clear data -> Ok. When you're done with that, restart your device and see if it did the job. Most of the time this will work. https://sites.google.com/view/gmaail-not-syncing/home