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Log inSeptember 28th, 2007:
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September 28th, 2007:
Admin Tue Oct 16, 2007 7:00 pm
Q & A For iPhoneSimFree Users and 1.1.1 iPhone Update
Seems there is a bit of confusion about our last post. Here are some of the most common questions, with some corresponding answers.
Q. Why do you say it is unlocked if you can't activate a non AT&T sim?
A. There is a difference between unlocking and activation. Unlocking is related to GSM standards and allowing a sim to be used on different carriers, and activation is something made up by apple to further restrict their users. After upgrading to 1.1.1 the radio of the phone is still unlocked, meaning it can still connect to other carriers, but apple requires the phone be activated to do so.
Q. How do you know it is unlocked if you can't activate?
A. There are several ways to know this. Firstly, the phone does not report "Incorrect SIM". Secondly the IMEI is correct. Thirdly if you bring up the field test, you can see the provider is not AT&T. And finally (and coolest of all), there are ways to actually call out and receive calls from the emergency call screen. If you can get the baseband to crash (we do it by calling some emergency numbers with no sim in place) and then insert the non AT&T sim, it can pick up a signal and calls (non-emergency) can be placed and received from the emergency call screen on the non AT&T carrier.
Q. Why does all this matter, if I can't yet use a non AT&T sim?
A. A few reasons. Firstly the phone can still be used by AT&T users after upgrade. Secondly, if apple has patched the methods used to perform the unlock, as long as an activation method is discovered, the phone will work perfectly on other carriers. With other unlocking solutions, if you were to upgrade the phone it would currently be a brick, and if apple has patched the methods to perform the unlock, it would also stay a brick forever..
Seems there is a bit of confusion about our last post. Here are some of the most common questions, with some corresponding answers.
Q. Why do you say it is unlocked if you can't activate a non AT&T sim?
A. There is a difference between unlocking and activation. Unlocking is related to GSM standards and allowing a sim to be used on different carriers, and activation is something made up by apple to further restrict their users. After upgrading to 1.1.1 the radio of the phone is still unlocked, meaning it can still connect to other carriers, but apple requires the phone be activated to do so.
Q. How do you know it is unlocked if you can't activate?
A. There are several ways to know this. Firstly, the phone does not report "Incorrect SIM". Secondly the IMEI is correct. Thirdly if you bring up the field test, you can see the provider is not AT&T. And finally (and coolest of all), there are ways to actually call out and receive calls from the emergency call screen. If you can get the baseband to crash (we do it by calling some emergency numbers with no sim in place) and then insert the non AT&T sim, it can pick up a signal and calls (non-emergency) can be placed and received from the emergency call screen on the non AT&T carrier.
Q. Why does all this matter, if I can't yet use a non AT&T sim?
A. A few reasons. Firstly the phone can still be used by AT&T users after upgrade. Secondly, if apple has patched the methods used to perform the unlock, as long as an activation method is discovered, the phone will work perfectly on other carriers. With other unlocking solutions, if you were to upgrade the phone it would currently be a brick, and if apple has patched the methods to perform the unlock, it would also stay a brick forever..
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