SIM Card Copy

Sébastien Lorquet squalyl at gmail.com
Thu Nov 29 13:50:42 CET 2007


I don't even understand how it's possible to register to the network with a
different Ki!

2007/11/29, KISS Attila <atlasznak at hotmail.com>:
>
>
> AFAIK, the duplicate SIM cards are not equivalent cards. They have
> different
> IMSI and different Ki code. Only the network's configuration bind them to
> the same phone number. Theoretically you could have a dozen of them, but
> usually only one is allowed to receive the calls.
> This should clarify the questions regarding chances of hacking the Ki code
> by obtaining multiple cards to have more chances before lockout. (Those
> limits are so low on som SIMs, that they died after 2-3 years in hands
> some
> of daily traveling business mans:-) ) It also explains that the operator
> will always be able to trace every single SIM card by IMSI, if they want.
> So, don't be too happy with second SIM cards. They really help you only
> when
> you have a second outdoor phone and don't like to swap the SIM every time
> you go to mountains..
> Atlasz
>
> >
> >SIM cards are smartcards. They can not be copied by design!
> >
> >The only way to duplicate a SIM is to hack it. No idea if and how far
> that
> >is possible. But it is certainly not legal.
> >
> >
> >Ask your provider for a duplicate SIM. Many providers will give you
> >multiple identical SIM if you need them. (At least here in germany)
> >
> >
> >Cailan Halliday wrote:
> >>I just had an idea that I got from a couple of devices, how about a
> >>virtual SIM card? Is it possible to make an ISO of a SIM card and store
> it
> >>in the Neo to be, for lack of a better word, booted from? I've seen
> >>devices like these:
> >>  http://www.thetravelinsider.com/phones/simsaver.htm
> >>http://www.thinkgeek.com/gadgets/cellphone/9ca8/
> >>  This could replace the idea of having multiple SIM card slots, this
> way
> >>you can have multiple carriers on your phone without the need for more
> >>slots.
> >>  -Cailan
> >>
> >>
> >>------------------------------------------------------------------------
> >>
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-- 
Sébastien LORQUET - 이세영 (李世榮)
Ingénieur ENSPG 2006 / ENSIMAG-ASI 2007
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