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  1. #1
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    Default How to reverse back your Garmin unit to a previous FW version

    How to reverse back your Garmin unit to a previous FW version


    * You can use the method further below to reverse back your Garmin MSM-capable device to a previous Firmware version.
    This post requires you to click the "LIKE this post" button and hit F5 to read this content.
    Last edited by Neil; 25th June 2016 at 22:02. Reason: updated tut.
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    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
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  3. #2
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    When toying with tricks which require editing of GarminDevice.xml, I always prefer to copy this file from the Nuvi device to a Garmin root directory on a USB stick. Garmin's updaters will treat a USB stick with a x\Garmin\GarminDevice.xml file as a real Nuvi and will download all required data onto the USB stick. This way the real GPS will be safe from any inadvertent mistakes.

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    Does anyone know how to go back to version 2.50 for Nuvi 3790, because the link is not available for download.

  5. #4
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    Quote Originally Posted by hacsat View Post
    Does anyone know how to go back to version 2.50 for Nuvi 3790, because the link not available for download.
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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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    this truly saved me as i seemingly "bricked" my nuvi by trying to upgrade the firmware but bringing it back to the original firmware did the trick. you sir are a lifesaver!

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    Anyone knows where I can find Nuvi 265WT any older firmware without the need of Webupdater? Or how can I get my 265WT TW version to flash back to US version?
    Thanks!!!

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    Quote Originally Posted by chakmool View Post
    Anyone knows where I can find Nuvi 265WT any older firmware without the need of Webupdater? Or how can I get my 265WT TW version to flash back to US version?
    Thanks!!!
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]
    [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.

  9. #8
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    Oh wow.... this worked great!!! I'm downloading the latest file as I type. Still need to find out how to flash it back, wondering where I can find more info about it! Thanks a lot, Catymag!

  10. #9
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    Quote Originally Posted by chakmool View Post
    Oh wow.... this worked great!!! I'm downloading the latest file as I type. Still need to find out how to flash it back, wondering where I can find more info about it! Thanks a lot, Catymag!
    2ways for 2x5 Series

    1). put in your gupdate.gcd file within SdCard\Garmin\Gupdate.gcd (You need to delete the previous one first.)
    or
    2). Put in your gupdate.gcd file within Nuvi\Garmin\gupdate.gcd

  11. #10
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    Default Garmin gps 2595lmt how to rollback OS to previous version 7.8 please?

    HI,

    I have a Garmin 2595lmt and software is version 7.90. Previous 7.80 there was no trouble with routing mainly via toll roads here around sydney.
    however after the 7.9 update i took a trip and it lead us on a goose chase in Ballarat nearly giving my wife who was driving a 2nd heart attack!
    On our return to Sydney it did not want to use the toll roads even though the avoidances, no toll and no traffic was definitely off. I have toggled these and repowered several times to try and restore good routing operation.

    Can I rollback to earlier software? There has to be a way to do it as further testing has shown there is some ghost in the unit wanting to redirect it away from main roads. I have reset all data in the test (volume, hold topright hand side for 10 seconds menu) and it appeared as a new unit but still it is not calculating the route as 7.8 did.

    come on guys. someone must have a method or opinion on this. I have backups via Garmin Express but there doesnt seem to be an OS backup there. Is there any way i can get a 7.8 image or something an over write the complete device?

    thanks.

 

 
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