How to Unlock an AT&T iPhone 4S on Windows
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JROMAG • September 17, 2012 at 4:59pm
I am looking for information on how to unlock an AT&T iPhone 4S using Windows. Any help would be appreciated.
Answers
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iClarified • January 11, 2026 at 8:35am
To unlock an AT&T iPhone 4S on Windows, you must follow the official carrier unlock process, as there are no functional software-based unlocks (like ultrasn0w) for the baseband on this model.
1. Submit a Request: Visit the AT&T Device Unlock portal (att.com/deviceunlock). Ensure your device meets the eligibility requirements (e.g., paid off, not reported stolen).
2. Confirm Request: Check your email for a confirmation link from AT&T and click it within 24 hours.
3. Finalize via iTunes: Once you receive the approval email, connect your iPhone 4S to your Windows PC and launch iTunes. Insert a SIM card from a different carrier. iTunes should sync with Apple's servers and display a message: 'Congratulations, your iPhone has been unlocked.'
If you do not have another SIM card, you may need to back up and restore your iPhone via iTunes to trigger the unlock status update.
1. Submit a Request: Visit the AT&T Device Unlock portal (att.com/deviceunlock). Ensure your device meets the eligibility requirements (e.g., paid off, not reported stolen).
2. Confirm Request: Check your email for a confirmation link from AT&T and click it within 24 hours.
3. Finalize via iTunes: Once you receive the approval email, connect your iPhone 4S to your Windows PC and launch iTunes. Insert a SIM card from a different carrier. iTunes should sync with Apple's servers and display a message: 'Congratulations, your iPhone has been unlocked.'
If you do not have another SIM card, you may need to back up and restore your iPhone via iTunes to trigger the unlock status update.
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raghupro • September 19, 2012 at 4:04pm
There is no software unlock for the iPhone 4S. If your iPhone is not blacklisted, you can request AT&T to unlock your iPhone via their official online portal. Once approved, the unlock is finalized by connecting the device to iTunes on Windows.