Discuss [*SIM solutions] Clarification how it works - and why it won't again! (probably) at the Turbo-, Supersim and Simcloning Solution - Hackint0sh.org; Hi there everyone.
I'm totally sick of all those rumors about so called "Universal SIM" ...
[*SIM solutions] Clarification how it works - and why it won't again! (probably)
Hi there everyone.
I'm totally sick of all those rumors about so called "Universal SIM" or people who actually tell to be able to unlock an iPhone (3G) with it.
This is total bullshit! (Sorry for this word )
I'll try to tell you why: (please anyone smart may correct me!)
The actual way a TurboSIM or NextSIM or whatever works is the following (or actually how it did a time ago):
The SIM-card got "scanned" by the iPhone OS X for the IMSI (and ICCID)-number. This is the number a mobile phone has to use to log into the network and which tells the provider on which contract the call is going to be billed on. It's unique but a phone can tell be the number which provider it's going to use.
Sometime ago the OS X of the iPhone used an "interval" to scan for that ID. Those SIM-Card-Adapters "knew" the interval and gave back the IMSI of an acknowleged provider (esp. AT&T - that's why a "AT&T" would actually flash on your screen for a half second on the upper left on an "hacked" iPhone with fake-SIM) whenever asked by the iPhone on startup. Because the iPhone only asked for it about 3 times some OS X versions ago, the chip had to fake the IMSI of an provider like AT&T only 3 times and then it used a small loophole to inject the IMSI of the "real SIM" sitting on it. - if the iPhone only would have known a fake ID you could not log in to the network, as the provider would have not allowed you to log in with it. The iPhone then stopped asking after those 3 times.
Now some versions of the OS X ago (I guess moving up to version 1.1.3) Apple closed that "loophole" by simply letting the iPhone ask for the IMSI-code randomly timed. Therefore you could not let the fake-SIM give back a fake IMSI to the iPhone - as if you would have done that the iPhone could not log back in again to the network with your *real* IMSI. (because it just asked for it and the chip would give back a fake one)
OK - that's all the magic!
Therefore: no way with "Universal SIM" or whatever.
I have not learned about this before, but it seems the idea may come from here? (is it just videoware?) :
Less than a week after the iPhone 3G launch, a hardware-based unlock has been announced for the new phone.
I would...go easy on this subject...
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Engadget went to check out the 3G *sim solution, see http://www.engadget.com/2008/07/16/h...one-3g-unlock/
iPhone 3GS / 3.1.2 JB (PwnageTool) / 04.26.08 carrier-locked, Carrier Logo Fixer / Cydia / 1000 posts on Hackint0sh
Installing Cydia programs on a phone that has no internet connection: read this.
Editing binary .plist, .strings, .nib and .xib files:
* on your computer: Windows tool / conversion website.
* on your iPhone: convert those files in a terminal with plutil (installed with Erica Utilities) or edit them with iFile (Cydia links).
Vijay - check out a thread below also says he has it wokng with a universal anysim and has tested calls in and out and sms
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