How to Unlock AT&T iPhone 4S without Jailbreak

At the moment no jailbreak tool works for iPhone 4S but a developer named Michael Capozzi has found a way out to unlock AT&T iPhone 4S without the help of any third party adapters like geveySIM.

Remember, its not a permanent unlock so you have to perform this unlock process whenever your iDevice will get restart.

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Warning: We are not responsible for any loss so proceed at your own risk.

Unlock iPhone 4S on AT&T

Requirement

  • T-Mobile data plan

Step-1

Insert AT&T SIM card

Step-2

Dial 611 for AT&T customer service hotline and drop the call

Step-3

From “Settings” menu on your iPhone, Turn ON “Airplane” mode

Step-4

Remove AT&T SIM card and insert T-Mobile SIM card

Step-5

Turn OFF WiFi and use “Forget this Network” option to make sure your device should not connect automatically to any network

Step-6

Turn OFF Airplane mode and your iPhone will start search for network and it will display Apple splash screen

Step-7

It asks for Activation and your iPhone will automatically get connected to EDGE network and you will find ‘E’ on top left corner of the screen

Step-8

Wait for 20-30 seconds and then Turn OFF your iPhone

Step-9

Turn ON your iPhone and again it displays Activation Required screen

Step-10

When there will be only a single signal bar, tap on “Use Cellular Connection”

Step-11

Eject SIM card

Step-12

Activation Required screen will display again

Step-13

Insert SIM card back

Enjoy, your AT&T GSM iPhone 4S is unlocked which can work over T-Mobile as well.

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