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  1. #51
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    Happy New Year!

    Thx for info and clues.

    @aekhong: my unit is 3790US HWID = 110
    No success at all with changing to Sg/My 2.20 nor Sg/My 2.50
    I was using RGN_Tool and turboccc instruction + some of my own trial/variations with HWID and SW versions.

    According to PouchX's advice I've downgraded to 2.50 US (it was my one and only success ) but again i was unable to change from US to Sg/My.

    Unfortunately I have to travel in next few days (Poland -Norway) by car, so i have no time (don't want to brick my Nuvi too) and i will hold up "digging" for now.

    Anyway, it will be great test for my 3790

    Maybe someone will find solution until I will try again

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  3. #52
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    If you like to try again ::
    - Rename folder Text., zVoice., Keyboards to other name
    -H/R
    -Flash
    -if success --> rename folder back to original name
    -H/R again

    ------------------------

    How long did you buy your 3790 ?

    Old hardware of 3790 can not go to newer version of Sg/My., Taiwan
    So., maybe newer hardware of 3790 can not go to older version of Sg/My too.
    ----------------------

    But....just try
    and remember to always use US boot.bin so your 3790 will not brick.

  4. #53
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    I bought it two weeks ago.
    Developer Info of my unit says: PCB Version 8
    System Info:
    [Only registered and activated users can see links. ]

  5. #54
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    My PCB version is "14"

  6. #55
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    Probably higher number means newer device... sad for me
    But (off-topic) I didn't notice overheating reported by many users.

  7. #56
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    How about convert to CHN2.20 ?
    See your PM (inbox)

  8. #57
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    I will look at it in few days.
    I have request: could anybody can post a picture (printscreen) of a.System folder from Nuvi 3790, software version 3.60 with CNE NT 3D 2011.32 installed.
    Best one would be form Total Commander or similar with full details.
    THX in advance!

    EDIT:
    My device lost visibility of gmapdem.img
    I've downloaded fresh one with same result: no DEM data.
    Changing name to mappsup, etc not helping too.
    Any ideas?
    Last edited by Kenokin; 3rd January 2011 at 10:00.

  9. #58
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    Quote Originally Posted by aekhong View Post
    updater.exe is not webupdater.
    The other way to convert your unit without updater.exe is to use RGN_Tool to save your rgn file to a gupdate.gcd file ., remember to override swv to same number both boot and fw_all.
    and not forget to delete a gupdate.gcd within .system in your unit.

    Place gupdate.gcd in sd card\garmin\gupdate.gcd
    turn off unit --> insert card--> turn on unit --> begin flashing.

    But I advice you should have updater.exe because you need this tool for recover nuvi if you get in problem ie rebooting.
    Thank so much for the detail steps and for the updater.exe file.
    I flashed my nuvi 1490T several times, but after it booted up it reported an error msg like "hardware problem gps is disable pls send unit to engineer of gps 2xx for repair".
    After that my unit stuck at stage "Updating software for EcoRoute HD" for so long that I decided to flashed it back to its original firmware.
    Do you know how to fix this kind of problem? Any suggestion?

  10. #59
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    ygps.,
    What is your hwid and which hwid you tried to convert to. ?
    And what is swv you start from + swv you will go ?

  11. #60
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    Kenokin.,
    When did your 3790 lost visibility of gmapdem.img., after went to CHN2.20 ??
    Can you see the main detailed map?

    turboccc converted his 3750 to CHN2.20 and he got 3D., DEM ability.

 

 
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