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Thread: New garmin gcd

  1. #11
    Junior Member intuicion's Avatar
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    dear VadimK, as i wrote at the beginning
    The reason it is big fw_all.bin consists of two parts ; sit and zip file
    Didn't realize it was rgn 14 [v3.00], I'm sending immediately rgn14[v2.70] and sit archive
    sorry for wasting your time

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  3. #12
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    here is new version firmware 3.10:
    [Only registered and activated users can see links. ]
    Last edited by Boki_Srb; 26th November 2020 at 07:14 AM. Reason: approved, link correction

  4. #13
    Garmin Expert New garmin gcdNew garmin gcdNew garmin gcd babj615's Avatar
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    Do you have the HWID for the Alpha 200i?
    Last edited by Boki_Srb; 26th November 2020 at 06:19 PM. Reason: removed unnecessary quote

  5. #14
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    Hwid = 3433

    PS:
    also HWID = 3509
    and HWID = 3510

    Spoiler: Details:
    Information from another navigation forum:

    <PartNumber> 006-B3509-00 </PartNumber>
    <SoftwareVersion> 270 </SoftwareVersion>
    <Description> Alpha 200i </Description>


    Device.xml from 3rd navigation forum:
    Code:
    Please Login or Register to see the links
    <PartNumber>006-B3433-00</PartNumber>
    <SoftwareVersion>Software Version 2.10</SoftwareVersion>
    <Description>Alpha 200i</Description>
    <PCB>Alpha 200i V10 </PCB>


    <Model>
    <PartNumber>006-B3510-00</PartNumber>
    <SoftwareVersion>230</SoftwareVersion>
    <Description>Alpha 200i</Description></Model>
    Last edited by VadimK; 26th November 2020 at 07:43 PM. Reason: added 3rd HWID

  6. #15
    Member forla's Avatar
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    Hello in my device (from Greece) there are 2.xml files :
    GarminDevice.xml
    -<Model>
    <PartNumber>006-B3509-00</PartNumber>
    <SoftwareVersion>210</SoftwareVersion>
    <Description>Alpha 200i</Description>

    system.xml
    -<Model>
    <PartNumber>006-B3433-00</PartNumber>
    <SoftwareVersion>Software Version 2.10</SoftwareVersion>
    <Description>Alpha 200i</Description>
    <PCB>Alpha 200i V10 </PCB>
    Last edited by Boki_Srb; 26th November 2020 at 10:05 PM. Reason: removed unnecessary quote

  7. #16
    Junior Member intuicion's Avatar
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    3433-(universal)_US, 3508-(K)_ Athemos, 3509-(F)_French, 3510-(EU)_Nordic, All the remaining Countries-3507
    Last edited by intuicion; 29th November 2020 at 03:59 PM.

  8. #17
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    Hi, I'm somewhat confused about your post. Is the files readout by rrgn not encrypted.
    I own a Instinct Solar watch, unlike Instinct without solar, a entropy test revealed the GCD firmware file is encrypted, but I would be interested if I can manage to dump the unencrypted content from the watch using rrgn. And (hopefully) I can then find out how the GCD firmware is encrypted. My watch is too compact to have a SD card slot, and there is only 4.5MB space left, so I'm not sure whether I can do the same rrgn dump. Could you please share the rrgn dumped file and I can try my luck with GHIDRA, it's possible that the way garmin encrypts the firmware is the similar with different devices.

  9. #18
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    by simple binary searching, I found a AES Sbox in 14.bin, so the firmware is likely to be truly encrypted.
    Last edited by Boki_Srb; 13th December 2020 at 05:58 PM. Reason: approved

  10. #19
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    Default Montana 700 dumps

    Quote Originally Posted by zheru View Post
    Could you please share the rrgn dumped file and I can try my luck with GHIDRA
    You can explore Montana 700 rrgn dumps:
    Code:
    Please Login or Register to see the links
    Thanks to rx9jc from gps-forum.ru.

 

 

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