If you set up your GS3 with a normal Google account, your contacts are already backed up to Gmail.
Login to Gmail: https://mail.google.com/mail/u/0/#inbox or simply sign into Google on your next Android phone and your contacts should transfer automatically.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.