Extract Kc from Phone?

[Harald Welte]

On 02/22/2011 07:26 AM, MATTHEW EVANS wrote:
> Thanks for the advice all. I purchased a cheap sim reader and used xsim to
> retrieve the Kc. Funny thing is the 3310 doesn't seem to delete the Kc file if I
> power down normally. Even funnier is the fact that the Kc doesn't change even
> after power cycle!

Of course, this is how GSM is specified. No suprise here

> I guess the Kc change policy must be specific to the
> operator.
Of course, it is pure operator policy.

Regards,
Harald