Openmoko IMEI survey

nitpilot nitpilot at arcor.de
Sun Aug 20 07:01:32 UTC 2017


Hello Mychaela,

my GTA02 in Germany (which I had to search for on the shelf) has 
35465101 16xxxxx

nitpilot


On Friday 18 August 2017 15:12:21 Mychaela Falconia wrote:
> Hello Openmoko and FreeCalypso communities,
> 
> I am doing a survey of Openmoko device users to see what portions of
> Openmoko's IMEI number range (TAC 35465101, a range of 1 million
> possible numbers) have been used to number the 15 thousand or so
> devices that have been made, and what portions are unused.  Given that
> fewer than 20 thousand units have been made out of the range of
> 1 million IMEI numbers, simple logic says that at least 980000 numbers
> out of Openmoko's IMEI range must be still unused, and thus potentially
> usable for new production of GTA02 verbatim clones and/or FCDEV3B
> boards which are just the modem part of the GTA02.  But I need to make
> my very best effort to determine WHICH portions of Om's IMEI range
> have already been used, so I use a different subrange for new device
> numbering.
> 
> Unfortunately it appears that no official factory records of IMEI
> assignments have survived the demise of Openmoko-Inc (I tried asking
> Sean M-P several times by email, but never heard anything back), hence
> I am making my best effort to reconstruct this lost knowledge by way
> of a community survey.
> 
> To everyone reading this solicitation who owns an Openmoko device: I
> would love to hear from you if your device falls into one of the
> following 3 cases:
> 
> 1: If you have a GTA01 (I have never seen one with my own eyes) as
>    opposed to the more common GTA02, I would love to hear if the first
>    8 digits of its IMEI are 35465101 (same as GTA02) or something
>    different.
> 
> 2: If you have a GTA02 hardware variant with "US" bands, i.e.,
>    850/1800/1900 MHz (FCC ID EUNGTA02), as opposed to the much more
>    common "EU" variant (900/1800/1900 MHz, FCC ID EUNGTA02E), same
>    request as above: I would like to know if the first 8 digits of the
>    IMEI are 35465101 or something different.  Like with the GTA01, I
>    have never seen a "US" FreeRunner with my own eyes.
> 
> 3: All Openmoko devices, whether GTA01 or GTA02, "EU" or "US": if the
>    first 8 digits of your IMEI are 35465101, but the following two
>    digits are something other than 16 or 96, I would like to know what
>    those two digits are.
> 
> The two digits after the 35465101 TAC prefix are the first 2 digits of
> the 6-digit SNR (serial number) field, and it is the usage of this SNR
> space that I am after.  So far the only Openmoko devices I have laid
> my hands on have been GTA02 "EU" version units, their TAC has always
> been 35465101, and the SNR field has always been either 16xxxx on
> older units or 96xxxx on newer ones.  However, if there have been
> Openmoko devices made with something other than 16xxxx or 96xxxx in
> the SNR field of the IMEI, I would really like to know about them so I
> can avoid stepping on those subranges and pick a subrange that has not
> been used at all.
> 
> TIA for your participation in the survey,
> 
> Mychaela Falconia
> Mother of FreeCalypso
> www.freecalypso.org
> 
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> community at lists.openmoko.org
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