Tutorial how to unLock the iPhone 4S

iPhone 4S already launched some time but until now there is no way like the previous editions such as unlock the iPhone from Dev Team with ultrasn0w.
Luckily, the hole in the new iOS 5 update turned out to make the iPhone 4S can be unlocked without the need to jailbreak. How to unlock was discovered by MacRumors forum members on the iPhone that operates on the AT & T. How to unlock the iPhone 4S without any software or hardware tweaking. The unlock will assist you in using your iPhone 4S on T-Mobile’s network as long as you have a T-Mobile SIM card.

Before you get started, go ahead and cut down your T-Mobile SIM card to match your AT&T SIM card’s size. Go ahead and give the following directions a try:

1. Insert original carrier AT&T SIM card
2. Dial 611 for AT&T customer service hotline and drop the call
3. Turn on Airplane Mode
4. Take out AT&T SIM card
5. Insert T-Mobile SIM card
6. Make sure WiFi is off (also tap on ‘Forget this Network” to make sure it doesn’t connect automatically later)
7. Switch off Airplane Mode and iPhone will search for network. This is followed by the Apple splash screen appearing.
8. Activation Required will be displayed on the screen
9. EDGE network will activate automatically – notice the ‘E’ on the top left corner of the screen
10. Wait for about 20-30 seconds and turn off the phone
11. Turn on iPhone and the same Activation Required screen will be displayed
12. When you see one signal bar, tap on Use Cellular Connection
13. Eject SIM card
14. Activation Required screen will be displayed the second time
15. Insert SIM card
16. Unlocked!

The unlock also works with the iPhone 3GS and iPhone 4, and will need to be done again if you reset your device.



Unlock tutorial has also been documented in a video uploaded to YouTube. The steps in the video can not be confirmed fully unlock the mobile operator. Therefore iPhone owners are welcome to do this tutorial at your own risk.

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