To enable automatic backup and restoration of your Google Contacts, follow these simple steps: We use cookies and other tracking technologies to provide services while browsing the Website to show personalise content and targeted ads, analyse site traffic and understand where our audience is coming from in order to improve your browsing experience on our Website. By continuing to use our Website, you consent to the use of these cookies and accept our Privacy terms. If you wish to see more information about how we process your personal data, please read our Cookie Policy and Privacy Policy Clearing cache and data for the Contacts app has proved to be beneficial for many android sync contacts to google Android users who suffer from the sync issue. Clearing cache or data for the Contacts app will not delete your contacts. However, we would suggest exporting your contacts as a CSV file before you clear the data of the app. Save the CSV file on your phone or upload it to Google Drive.