How to reliably unlock your iPhone with the update

情封意止 | Apple

//www.youtube.com/watch?v=myS1YWs7H78&feature=player_embedded
Step 1: Install Sam Bingner's SAM package from Cydia. You can get it from Sam's repo which is //repo.bingner.com make sure to use the newest version(0.1.16.-1 at the time this tutorial was created).
Step 2: Deactivate your phone(Using SAM) and insert your unofficial SIM card that you wish to unlock to.
Step 3: Open SAM and change method to "Auto Detect" and then go to the "Utilities" tab and choose the utility "Attempt Activation."
Step 4: That's all there is to it, your device should respring and your should have signal on your unofficial SIM