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  1. #1
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    Default Firmware Update for GTMxx Traffic Receiver Type 3 software version 3.10

    Firmware Update for GTMxx Traffic Receiver Type 3 software version 3.10

    as of March 5, 2013

    Change History

    Changes made from version 2.90 to 3.10:
    ◦Improve traffic reception.
    ◦Increase number of traffic subscription unlock codes that can be entered.
    By Webupdater or
    Code:
    Please Login or Register to see the links

    In my 34xx I received Localization Data .XML file update too
    [Only registered and activated users can see links. ]
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    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

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  3. #2
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    A link for reference with additional infos about traffic receivers types
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    post n 72
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    [Only registered and activated users can see links. ]

    [Only registered and activated users can see links. ]
    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

  4. #3
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    Is this firmware only for 3rd Generation Receivers Gtm25/Gtm35 ?
    The difference between stupidity and genius is that genius has its limits.
    Albert Einstein.

  5. #4
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    I updated my 3790->34xx receiver GTM35
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    [Only registered and activated users can see links. ]

    [Only registered and activated users can see links. ]
    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

  6. #5
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    Yes, this is only for GTM25\35 006B090100.GCD , GTM26\36 have 006B125700.gcd

  7. #6
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    "◦Increase number of traffic subscription unlock codes that can be entered."

    Anyone know how many can now be entered?
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  8. #7
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    Loly reported in another topic a problem of a user with gtm35, similar to what I describe below. I'm still not sure if it was a mere coincidence or consequence, but come on .
    I think there might be some kind of lock in fw 3.10. I installed fw and it worked ok with the signing Jetmouse that was already installed (31495,0,0,1) but was a little unstable as did time, and decided to install a "normal" (14,14,1 and 15,15, 1).

    Installed, the signatures appear correctly, but since then no more tuning of Traffic signals and, worse, the option to install and uninstall signatures is disabled in gps, ie, it seems that the firmware can not identify the signature Jetmouse that is already installed (therefore works) but identifies and blocks a new installation signature Jetmouse that, therefore, not works. Tried several ways to install the previous 2.90 firmware, but without success (manually, by webupdater changing the fw 2.90 to 3.11 etc..). Anyone know if the dump of rom gps covers the memory of the cable GTM? (cable on, of course)

    I just tried not only in pre-boot, but I believe not be possible because the webupdater only copies the file to RemoteSW folder and change your name to 006B090100.GCD to be installed automatically when the cable is connected, in short, everything indicates that it is not possible to install from pre-boot. Probably I was little skillful to change the firmware indication (2.90 to 3.11), if someone can take a look at this issue, or other possible ways of directly changing the firmware 2.90 of GTM25/35, would be great..

    p.s.: GTM 25 G3, ID 901 in 3790-> 3490 and in nuvi 1390.
    Last edited by angelozip; 16th March 2013 at 20:06.
    Nuvi 2689; 3490; Etrex 30; Oregon 200 (from Approach S5)

  9. #8
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    Do you try to change firmware version for 006B090100.GCD in HEX:

    Find "006B090100"
    IfFound
    Assign Description "GTMxx Traffic Receiver Type 3 software ver."
    Move -6
    Read VersionHEX 2
    Love your wife? Buy yourself a GPS for answering to her favorite question: "Dear, where are you?".

  10. #9
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    In hex you find ver about 4x and 2x in dec.
    When you change ver number to 3.11 or 4.00, antenne will update on every boot but won't overvrite original FW.

  11. #10
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    The problem that I have reported previously, that thought was only an isolated case, it proved that is a lock to Jetmouse subscriptions, at least in my country. I Waited for reports and saw that the problem was repeated with forums users in my country. The symptoms are: inability to insert new subscriptions (the option is disabled in gps) and erasing the Jetmouse signature, but only when the parameters transmitted by RDS station match with the signature in gtm cable, if there is no transmission the signature remains intact. For example, in the screenshot below we can see a signature Naviteq Br 11/00/7/15 (Navteq, similar to the original but with parameters that are not transmitted in my region) and the lack of 11/00/7/14 (deleted by fw), this it essential to marry with the parameters transmitted and make data traffic tuning.

    Seems to be that now the firmware identifies the ecc parameter (extended country code) transmitted by radio and if not find it, annuls the corresponding signature, seems surreal, but it is a fact, I tested several times and confirmed with other users. Indicative of this is that in previous firmwares (3.00 and below) the signature Jetmouse appeared with the ecc parameter, example: 11/a2/7/14. Now appears as "11/00/7/14" denoting that the ecc is not identified. In GTM26 and 36, the signature Jetmouse, different of the original, appears exactly in this way, without ecc, so Traffic does not work with the gps firmwares 2012 generation, but only with the previous firmwares (37xx, 24x0, 23x0 and 22x0, 1xxx), to maintain compatibility with GPS (and firmware) of the previous generation.
    In short: arguably we have a Garmin firmware lock against Jetmouse signatures.

    The question is how to reverse the process making a downgrade. With the help of Loly, I made several attempts, all generating a lot of instability. The firmware 2.80 and 2.90 does not revert the process. Only the v3.00 seems to have some effect, the only that allow to insert signatures, but unfortunately the system cancels the exact subscription that would make the tune traffic signal, as I said earlier. This can be due to weakness or inconsistency of the changes in the firmware version that I used. All original firmwares result in checksum FE and not zero, as would be expected. Loly helped very much, but could not, yet, find a solution. If Kunix or anyone who can help will be very much welcome.

    I inserted in this cable numerous subscriptions, including the tests I did with the wildcard of Europe discovered by Loly. Now I am more than convinced that these signatures are not deleted, they remain on the cable, but inactive. It would be great if we discovered how to eliminate them, maybe a challenge for Jetmouse, if he is interested one day.Among the instabilities with the modified firmware, I noticed that sometimes appears Sys Ver 0 or 65535 (FFFFF) and in these moments I could install other versions. So it seems that changing correctly for version 0, allow easy installation of any version.


    v3.10 GTM 25 in 3490
    [Only registered and activated users can see links. ]

    Subscription 11/a2/7/14 killed
    [Only registered and activated users can see links. ]

    sys ver 0 (FFFF)
    [Only registered and activated users can see links. ]

    Other gtm25 in 1450
    [Only registered and activated users can see links. ]

    Jetmouse Subscription killed
    [Only registered and activated users can see links. ]
    Nuvi 2689; 3490; Etrex 30; Oregon 200 (from Approach S5)

 

 
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