Settings -> Configuration -> Personal config. settOptions -> “Add new” -> Synchronisation

• Account Name: Google
• Server Name: https://m.google.com/syncml
• User Name: <email>
• Password: <Password>
• Contacts Database: (Database Address: “contacts” | Username: BLANK | Password: BLANK)

http://www.google.com/support/mobile/bin/answer.py?answer=98230&cbid=-w48waez3uf7e&src=cb&lev=topic

Complete Factory Reset (deletes all files)

*#7370#