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Sébastien Lorquet squalyl at gmail.comHi, the phone does not seem to be involved in this topic. It's only about the SIM. And you can't flash a sim like a baseband. That would be too easy. Sebastien On Tue, Feb 22, 2011 at 3:28 PM, Marius Cirsta <mforce2 at gmail.com> wrote: > A nicer fix would be to flash it with some open source firmware :). > That would be cool and I guess it's what this project is all about. > > On Tue, Feb 22, 2011 at 5:24 AM, Harald Welte <laforge at gnumonks.org> > wrote: > > On 02/20/2011 02:07 AM, Scott Weisman wrote: > >> > >> I apologize for this in advance. I figure the collective GSM knowledge > >> here might be able to help me. > > > > Well, I think it is interesting from a 'scientific' point of view, i.e. > > understanding how such mechanism is implemented. > > > >> I have a SIM card that can only be used on one phone. The phone itself > is > >> unlocked. But the SIM won't work on any other phone. Does anyone know > >> anything about this or how to unlock a SIM to work on any phone? > > > > I think the first step is to trace what is happening between phone and > sim > > card, possibly by using osmocom simtrace. > > > > Once you have a trace, you can look at the messages and try to identify > the > > mechanism the SIM uses to identify the phone. After that, you could > > possibly implement a small program for a proxy SIM like bladox or > RebelSIM > > which patches the messages to make the SIM card happy. > > > > All in all not an easy undertaking, but it can definitely be solved. > > > > Regards, > > Harald > > > > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/baseband-devel/attachments/20110222/60705815/attachment.htm>