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  1. #1
    Important User which new maps will work on Nuvi 1490
    which new maps will work on Nuvi 1490which new maps will work on Nuvi 1490which new maps will work on Nuvi 1490which new maps will work on Nuvi 1490which new maps will work on Nuvi 1490which new maps will work on Nuvi 1490which new maps will work on Nuvi 1490
    catymag's Avatar
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    Simply replace original gmapprom (unlocked with gimgunlock) in .system and remove old gmapprom.unl and .gma.
    That's all.
    Look at garmindevice.xml in Garmin folder for supported addition files and their paths and replace old files in nuvi.
    gmap3d.img too must be unlocked.

    sent with my phone
    l9ebnsm
    You have to navigate to get to the good.

    Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600

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  3. #2
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    Looking at the .system folder there are no files with an extension of .unl or .gma

    there are only :
    fs_image.ver
    gmapbmap.img
    gmapbmap.sum
    gmapprom.img
    gmapprom.sum
    gmaptz.img
    gmaptz.sum
    locales.xml
    TrafficProvider.xml

    There is no garmindevice.xml in the garmin folder or it's sub folders, the only item in the garmin folder is a sub folder LEX_PKG.

  4. #3
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    Quote Originally Posted by NickSums View Post
    Looking at the .system folder there are no files with an extension of .unl or .gma

    there are only :
    fs_image.ver
    gmapbmap.img
    gmapbmap.sum
    gmapprom.img
    gmapprom.sum
    .
    the gmapprom.img should be the large file with the maps inside. If you are unsafe what to do, take a 4GB micro sd card, create a folder "map" on the sdcard, and copy the 2015.40 version "gmapsupp.img" in the map folder on the sdcard. The original gmapprom.img on the device rename to gmapprom.im_, so the nuvi cannot detect the old map. If the new mapfile doesnt work, you can go back the steps without "data loss".

 

 

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