Thursday, November 17, 2011

iOS 5 Bug Allows Free iPhone 4S, iPhone 4 and iPhone 3GS Unlocking

A newly discovered bug in iOS 5 lets you unlock your AT&T iPhone 4S, iPhone 4 and iPhone 3GS for free, without the need of jailbreaking or special codes.

This fairly simple hack doesn't use any special tools, codes or software. In fact all you’ll need is a T-Mobile SIM card cut down to micro SIM size, your AT&T SIM from your current iPhone and the steps below which were originally tweeted by the famous hacker known as Chronic.

  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!

This workaround seems a bit hit or miss, with several users on other sites confirming it has worked. While others have stated otherwise. It also seems some users had to attempt the trick a few times before they could get it to work right. Unlocking your iPhone would allow you to use it in T-Mobile's network as well as in other countries' networks. It will not allow you to use the phone on Verizon or Sprint.

To get a T-Mobile micro Sim you'll need to cut down a standard size T-Mobile SIM card down to the micro SIM card size, which you can accomplish by manually cutting it or by using a SIM cutter. Of course, you need to be careful when cutting the SIM card so you don’t damage it.

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