Guide: How To Unlock iPhone 4S [Video Guide] [No Gevey Sim Required]

As Dev Team has been working to find a way to Unlock the iPhone 4S, And finally today they've released a technique which will unlock your iPhone. And the Good thing is for this unlock you don't require any Ultrasn0w unlock or some hardware type Gevey sims. This technique is very simple and useful, There's an Bug (glitch) in the latest iOS 5 Update which allows you to unlock your iPhone 4S.

Here are the simple steps which have been posted by folks at Macrumors that'll let you unlock your iPhone 4S (Only AT&T Network iPhone):

Insert original carrier AT&T SIM card
Dial 611 for AT&T customer service hotline and drop the call
Turn on Airplane Mode
Take out AT&T SIM card
Insert T-Mobile SIM card
Make sure WiFi is off ( also tap on ‘Forget this Network” to make sure it doesn’t connect automatically later)
Switch off Airplane Mode and iPhone will search for network. This is followed by the Apple splash screen appearing.
Activation Required will be displayed on the screen
EDGE network will activate automatically – notice the ‘E’ on the top left corner of the screen
Wait for about 20-30 seconds and turn off the phone
Turn on iPhone and the same Activation Required screen will be displayed
When you see one signal bar, tap on Use Cellular Connection
Eject SIM card
Activation Required screen will be displayed the second time
Insert SIM card
Unlocked!
FAQ
1. ”is this a permanent unlock? if I update my iPhone 4S firmware will the unlock go away? And has this been tested and confirmed”
A: “ It has been confirmed but It is not sure if a software update will patch it. Hope that helps”

You can also see this video below for your ease:





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