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Unlock the iPhone 4S with an iOS 5 Bug
Ecrit par: Shareannonce
Date création:  18-11-2011
Nombre de vues:  2592
Catégorie:  informatique > apple > hardware > iphone > ios
   Tutoriel N° 213

Unlock the iPhone 4S with an iOS 5 Bug

If you didn’t already buy an unlocked iPhone 4S from Apple or take advantage of Sprint and Verizons 90 day unlock request, you can apparently unlock the 4S’s GSM SIM card slot yourself by taking advantage of a strange bug in iOS 5 and how the iPhone 4S handles the Edge network.

Here’s what you’ll need to attempt this:

   GSM activated iPhone 4S (AT&T model on contract, for example)
   AT&T SIM card
   T-Mobile Micro SIM

If you have all of that, completing the unlock is a matter of tripping up iOS 5 by performing a virtual song and dance routine, how someone figured this is out is fairly impressive on its own:

How to Unlock the iPhone 4S
Do this at your own risk:

   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

Multiple users are reporting success with this method, although some had to repeat it many times to get it to finally work.


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