PNLM list overwritten

[Dario Lombardo]

I've used an old version of SIMEDIT to change it, so I'm not sure
about the file it changes.
Can you suggest some other software that gives me more control over the files?

On Fri, Sep 7, 2012 at 5:20 PM, Lukas Kuzmiak <lukash at backstep.net> wrote:
> Hey,
>
> which exact file was it that you've changed?
> You should not be able to overwrite PLMN file (at least not the Operator
> specified list - OPLMN) unless you have OTA keys for the simcard which I
> suppose you don't.
>
> If the file is overridable with PIN only then it could also been the phone
> overriding it.
>
> Cheers,
> Lukas
>
> On Fri, Sep 7, 2012 at 5:15 PM, Dario Lombardo <dario.lombardo.ml at gmail.com>
> wrote:
>>
>> Hil list
>> Today I've observed a strange behaviour when modifying the PNLM of
>> some real networks expired sims (to be used with osmocom and openbts).
>> I've put 001 01 on the top of the list. I've ejected and reinsterted
>> the sim in the reader many times, and I'm sure that the value has been
>> wrtitten.
>> When trying to connect to my test operator I get the message "your sim
>> card doesn't allow the connection to this network operator" from my
>> android phone.
>> Reading again the pnlm I see that the original list has been restored.
>> This astonishes me... Is is possible that the SIM overwrites the list
>> by itselt? Or is it the phone that does it? The android has an
>> original, not branded, operating system.
>> Thanks everybody for your help.
>> Dario
>>
>