AT&T sent me unlocking instructions, below. Basically go to iTunes and do a backup and restore if I understand correctly. I now have an iPhone 4S whose info is on iTunes. If I connect the 3Gs and do the restore will it mess up my 4Gs info?
Thank you for contacting AT&T Customer Care about unlocking your iPhone.
We have reviewed your request and confirmed that you are eligible to have the requested iPhone unlocked.
To complete the unlock, simply:
1. Open iTunes on your Mac or PC and verify that you have internet connectivity.
2. Connect your iPhone using the dock connector to USB cable that came with your iPhone.
3. Backup and restore your iPhone using iTunes .
For information on backup and restore, please visit iTunes: Backing up, updating, and restoring iOS software.
4. After restoring, your iPhone will be unlocked.
Additional information on unlocking can be found at iPhone: Troubleshooting authorized unlock issues.
For questions regarding AT&Ts wireless service and iPhone, please visit the Phone/Device Learning Center.
We thank you for your continued business and look forward to providing you with the best customer service.
Sincerely,
AT&T Customer Care Team
Thank you for contacting AT&T Customer Care about unlocking your iPhone.
We have reviewed your request and confirmed that you are eligible to have the requested iPhone unlocked.
To complete the unlock, simply:
1. Open iTunes on your Mac or PC and verify that you have internet connectivity.
2. Connect your iPhone using the dock connector to USB cable that came with your iPhone.
3. Backup and restore your iPhone using iTunes .
For information on backup and restore, please visit iTunes: Backing up, updating, and restoring iOS software.
4. After restoring, your iPhone will be unlocked.
Additional information on unlocking can be found at iPhone: Troubleshooting authorized unlock issues.
For questions regarding AT&Ts wireless service and iPhone, please visit the Phone/Device Learning Center.
We thank you for your continued business and look forward to providing you with the best customer service.
Sincerely,
AT&T Customer Care Team
