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  1. #1
    Join Date
    Jun 2011
    Rep Power

    Default How to use LifeTime Maps from broken nuvi 770

    How to use LifeTime Maps from broken nuvi 770

    I had purchased LifeTime maps for both Europe and North America for a nuvi 770.
    A short time later the GPS unit broke beyond repair. I then discovered two methods
    That can be used to update maps on my new nuvi 1300 using the LifeTime maps from the broken nuvi 770.

    Lucky for me I made a backup of nuvi 770 before the unit broke.

    Method 1:
    1. Fomat the 4GB SD card FAT32
    2. Create folder \Garmin on the SD card
    3. Copy file Garmindevice.xml from backup of nuvi 770 into the \Garmin folder of the SD Card.
    4. Proceed with the map update using MapUpdater as normal. When it is finished, you will have the map files in the \Garmin folder of the SD card. It will be named gmapprom.img
    5. Rename map file in gmapprom.img to gmapsupp.img
    6. Insert 4GB SD Card into GPS slot; now enjoy your fresh new map

    Method 2:
    This method works best because the nuvi 1300 needs support files.
    Junction view (.jcv), TrafficTrends (.db), TimeZone map (.img)

    1. Update the nuvi 1300 firmware using Garmin WebUpdater
    2. Clone the nuvi 1300 by copy all files and directorys to a 4GB Pendrive
    3. Open GarminDevice.xml file using MS Notepad change unit ID to match the broken nuvi 770
    4. Proceed with the map update using MapUpdater as normal
    5. Copy map and support files from Pendrive to nuvi 1300 internal memory
    a. gmapprom.img
    b. *.db
    c. .img
    d. *.jcv

    1. The map file gmapprom.img will be locked to the broken Garmin nuvi 770
    2. Both methods can be used to download maps to MapSource or BaseCamp
    3. Pendrive, Flash Drive or SD Memory Card can be used for both methods
    4. Method 2 will only work if you change the unit ID, to that of the broken nuvi 770

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  3. #2
    Join Date
    Nov 2012
    Rep Power


    What a sweet idea! I have tried it with my all of Europe N3590lmt and it worked brilliantly so no more Express drama's for me.

    All I need now is like minded member who has LMT for North America on a compatible Nuvi, 3490, 3590, 3597 and who wants all of Europe maps. PM me so we could discuss an exchange of .xml files.

    If you think there are problems with this idea please explain.

  4. #3
    catymag's Avatar
    Join Date
    Nov 2007
    light side
    Rep Power


    Exchange only with trusted people or you can have your device cloned
    You have to navigate to get to the good.

    [Only registered and activated users can see links. ] Password for my files: gpspower.net
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.
    Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600

  5. #4
    Navigation software expert

    Giomen's Avatar
    Join Date
    Apr 2009
    Rep Power


    No problem with all files with North America and Europe maps on this site. But many holes in Middle East and NAfrica take place...
    Love your wife? Buy yourself a GPS for answering to her favorite question: "Dear, where are you?".



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