freerunner unable to work with 3G SIMCards?

Michael Shiloh michael at
Wed Jul 23 23:55:38 CEST 2008

Brenda has set up a wiki page to list these problem cards

(Roh, is it problematic to fix that spelling error?)


steve wrote:
> Ah,
>  perhaps the best approach then would be a line up of known criminals.
>  That is a gallery ( pictures etc) of SIM cards that are known to misbehave 
> -----Original Message-----
> From: Joachim Steiger [mailto:roh at] 
> Sent: Sunday, July 13, 2008 5:18 PM
> To: List for Openmoko community discussion
> Cc: Michael Shiloh; Brenda Wang; steve; nibbler at
> Subject: Re: freerunner unable to work with 3G SIMCards?
> steve wrote:
>> Michael and Brenda.  I want a Page on the wiki showing which carriers 
>> have issues,  a table by country by carrier.
> hi steve, michael, brenda, community.
> that does not make real sense.
> the issues we are seeing with some sim-cards are not carrier-related, but
> related to which specific model of sim-card they bought.
> currently it seems that old gemplus sim-cards have this issue, but we need
> more people with and without problems to submit pictures of the contact-side
> if the sim.
> the only universal way we currently have to identify which manufacturer and
> model the sim really is, is to have a scan/sharp photo.
> the numbers on it are not unified and thus cannot be universally used to
> look up which type it is.
> also carriers tend to have multiple types of sim in use over the years and
> also switch manufacturers from time to time.
> see the attached pictures on ticket 666
> at the moment i am not yet sure if we have a electrical or mechanical
> problem, but the current state from my point of view is: 'some type of
> gemplus simcards (the 2 different types with round edges/ contact
> plates) give trouble/do not work.
>> This is vital for solving those cases where folks have problems and 
>> for advising people prior to purchase.
> indeed. also this needs more samples of which sims work and not work to
> finally know whats going on and what to tell people to do as workaround.
> so please do a shot like this:
> sharp, contact side. label the file as 'sim working' or 'sim notworking'
> and attach it to this ticket in the wiki.
> also would be nice to have some comment about which carrier, and when it was
> given out, if you think its a '3g sim' and, if you want, the numbers on it.
> but thats 'cream on top', not essential, since this is a carrier-independant
> problem it seems.
> kind regards.
> ps: because it seems a often asked question:
> the numbers of the sim are not directly 'secret' or need to be kept
> confidential.
> one cannot clone or locate your sim/phone with knowledge of these.
> only the carrier who gave the sim out could identify or duplicate the sim,
> and would not need the numbers on the original for that because that
> information which one could look up is in their databases already.
> so no harm done by having them in a photo.

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