There are billions of Android users all around the world who enjoy the amenities provided by Google on their android devices to run impeccably to provide a great UX to the users.
Google has a feature called Google Contacts which helps you to sync the contacts across all the devices you use.
You can easily solve the problem of a non-syncing error of Google contacts on the android device by enabling the Google account sync by following this process.
Open the Settings app on the android device.
Tap on the option of Accounts then select Google account option.
Check that Auto-Sync feature is on.
In addition to this, you should also ensure that Auto-Sync data is enabled on the android device.
If the above-mentioned method, does not solve the issue then you can opt for the method of uninstalling this app and re-installing it by using this method.
Tap and Hold the Google contacts application on the android device.
Choose the option of Uninstall for removing that app.
Go to Play Store and enter Google Contacts in the search bar.
Tap on the Install button to download that app on the android device.
Removing the cache data from the android device enhances the performance of this device and making the particular app to work smoothly and without any problem like Gmail Sync experiencing problem on the device.
You can remove the cache data by for resolving the error in Gmail sync using this process.
Open the Android device.
Launch the Settings app.
Select the Applications option.
Tap on the Google Contacts app.
Tap on Clear Cache option.
Along with these methods, you can also remove the Gmail account from the android device and add it again.
On facing any problem in the process to rectify the Gmail sync error, you can connect with the customer support of Gmail to obtain the additional information.