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Couple things I would check... first go to Settings-Accounts&Sync-Google and make sure Sync Contacts is ticked, if it is then untick it and tick again, you should see the double arrow circle going around indicating the sync is taking place. Then I would check to make sure Google contacts are displaying in the phone book, go to All Apps-People and press the Phonebook drop down at the top and make sure Google is ticked.HTC Rezound (Verizon) will not sync with Google Contacts. Gmail and Calendar sync fine.