How To Unlock Iphone 4s Without Jailbreaking
It looks like a bug in iOS 5 allows you to unlock iPhone 4S without the need to jailbreak it or using hardware methods such as GEVEY SIM. The bug was discovered. Unlocking the iPhone has always required jailbreaking and paying close attention to custom firmware and basebands. Now thanks to a simple process, the iPhone 4S can. Today while we await the release of a new jailbreak utility, which will hopefully come relatively soon, I've opted to refresh my iPhone unlock guide!
Note: Only AT&T iPhones can be unlocked with this trick. How to Unlock iPhone 4S, 4, 3GS without Jailbreak or Gevey SIM Step 1: Insert original carrier AT&T SIM card Step 2: Dial 611 for AT&T customer service hotline and drop the call Step 3: Turn on Airplane Mode Step 4: Take out AT&T SIM card Step 5: Insert T-Mobile SIM card Step 6: Make sure WiFi is off ( also tap on ‘Forget this Network” to make sure it doesn’t connect automatically later) Step 7: Switch off Airplane Mode and iPhone will search for network. This is followed by the Apple splash screen appearing. Step 8: Activation Required will be displayed on the screen Step 9: EDGE network will activate automatically – notice the ‘E’ on the top left corner of the screen Step 10: Wait for about 20-30 seconds and turn off the phone Step 11: Turn on iPhone and the same Activation Required screen will be displayed Step 12: When you see one signal bar, tap on Use Cellular Connection Step 13: Eject SIM card Step 14: Activation Required screen will be displayed the second time Step 15: Insert SIM card - Unlocked! - now we have showed you How to unlock iPhone 4S, 4, 3GS [Video].