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  1. #1
    Junior Member
    Join Date
    Sep 2010
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    test
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    Default Alternative GPSMAP620s Firmware

    Hi there,

    I own a Garmin GPSMAP620 unit.
    I like that device for his ruggedness and his large and high resolution screen but I can't suffer it's poor automotive firmware.

    I'm not interested about the marine part of the firmware.

    I would like to replace the original firmware with a better one, perhaps coming from one of the new units that use a 5" high resolution screen.

    I read articles about replacing firmwares and I'm able to perform basic operations with rgntool and other utilities but I need some suggestions and/or instructions.

    I really appreciate any help you can provide.

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  3. #2
    Navigation software expert

    Giomen's Avatar
    Join Date
    Apr 2009
    Location
    Suomi-Russia
    Age
    49
    Posts
    2,578
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    589

    Default

    Please, forget about it! No way to do it! Rather this way is very hard and expensive and it is not interesting by this reason. It is equal to make new SW from zero...
    Love your wife? Buy yourself a GPS for answering to her favorite question: "Dear, where are you?".

 

 

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