Problems using recent Rogers Wireless (Canada) SIMs in GTA02

Al Johnson openmoko at
Thu Sep 27 08:48:12 CEST 2012

Have you tried the new SIM in any other 2G-only phone? SIMs from 3(UK network) 
seem to work only in 3G-capable devices. I never looked into how or why, but 
it's possible Rogers are doing this with new SIMs either by accident or 

On Wednesday 26 September 2012 21:53:14 Pascal Gosselin wrote:
> In 2010, we were able to take circa mid-2008 Roger Wireless SIMs
> (Canada) borrowed from an iPhone 3G and get it to work in Android Froyo
> on the GTA02 850Mhz.
> Two years later, we decided to add some GPRS reporting capability to our
> Wi-Flight product which is currently using Wi-Fi only, we are unable to
> get a carrier registration at the AT command level using two Rogers SIMs
> (both from 2012, one used in an iPhone 4 and the other in a Samsung
> Galaxy S II Skyrocket (LTE)).  The GSM baseband code was at Moko8 so we
> had the  fix for bug 666.  We tried Moko11 but it didn't make a difference.
> We repeated the same Android Froyo setup and indeed it doesn't work when
> we try the circa 2012 SIMs.
> Our product doesn't run on Android, the Froyo stuff was just tried to
> attempt to replicate something that worked before.
> I found a working older Rogers full-sized SIM from my GSM-enabled alarm
> system, which I think it at least 3-4 years old.  It worked just fine in
> a Nexus S and I was able to send an SMS and Edge data from the phone
> (it's a T-mobile AWS phone so no 3G on Rogers).
> The conclusion so far is that something has changed in the Rogers SIMs
> that makes it incompatible with the GTA02.  I am wondering if anyone
> else has encountered this problem.  I'd be happy to be able to get a
> Fido-branded card to work (haven't tried that yet).
> We've repeated the same issue with a half-dozen GTA02s so we're pretty
> sure it's not a one-off phone problem.
> -Pascal
> +---------------------------+
> Pascal Gosselin
> President
> Wi-Flight
> pascal at
> cell (514) 298-3343
> office (450) 676-6299
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