How to Unlock iPhone 4S without Using Ultrasn0w and GEVEY SIM

Many people are searching and working to Unlock iPhone 4S because this is new devices and difficult to unlock, many people use GEVEY sim and Ultrasn0w to unlcok iPhone, but i have a simple method to unlock iPhone 4S, without using Ultrasn0w and Gevey sim and other hardware tool.

Before i present clear up few things:

  • Firstly proceed this action at your own risk, and be prepared for a disappointing conclusion.
  • As far as we know, it only unlocks AT&T devices. 
Step 1: If you haven’t already, insert your AT&T SIM into your iPhone 4S.

Step 2: Make a drop-call to 611, which is AT&T’s customer service number. Once you’ve dropped the call, activate Airplane mode.

Step 3: Remove your AT&T SIM and replace with the T-Mobile one

Step 4: Ensure that Wi-Fi is deactivated completely by ‘forgetting’ any automatically connected networks.

Step 5: Now deactivate Airplane mode. Your device will begin searching for a signal. You will be met with the Apple splash screen followed by the familiar activation screen.

Step 6: EDGE network should automatically activate, and if all has gone well, you should see that "E" in the top-left corner of your iPhone’s screen.

Step 7: After a 20-30 second waiting period, switch your phone off, and back on again. You should once again see that Activation Required screen.

Step 8: Once you notice a signal bar, hit Use Cellular Connection

Step 9: Eject your SIM, after which you will see the activation notice for the third and final time.

Step 10: Finally, re-insert your SIM, and your device should be unlocked!

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