You have to SBF back to 2.3.29, activate your phone... then you skip or sign in your google account, once you are in go to system update and update to 2.3.30.... when you're updated to the latest 2.2 then go to stock flash recovery by rebooting your phone and holding power and X at the same time you're going to get the Droid icon with the ! and press volume up and the search key at the same time to get to the Stock recovery and select Wipe factory Reset.... after that reboot your phone, then Hold Power and X again and press volume up and search key to get to stock recovery and this time select the install update.zip from sd card, don't forget to put the update.zip in the sd card you download from the above link from rootzwiki