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  1. 26th March 2015, 12:08 PM #1
    JonJoe
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    Default GMA Authenticaion Question

    Hi .. I have installed MapSource 6.16.3 (patched), MapInstall 4.0.4 (and the patched 3.14.4 exe). Over those I have installed and unlocked CN NT North America 2015.40 and successfully unlocked the .gmap folder (with Unlock_Mapset_2). I can use the map in both MapSource and BaseCamp. The map shows as "Not Lockable" in MapSource. I have successfully exported a gmapsupp.img to my SD card and tried "Fast Image Unlocker2.1", "Garmin Alternative Unlocker8.0.1" and "gimgtools-0.03" to unlock the .img file. All appear to complete successfully. My Nuvi 2559LM (firmware v7.30) still says "Can't Authenticate Maps". I also need to generate a .unl file for the gmapsupp because without it the device says "Can't Unlock Maps". I thought the unlock programs removed the need for the UNL files and also the GMA protection ? Running Win-7 32bit.

    Can anyone offer any help or suggestions as to why I can't get these maps to work on the device please ?

    Thanks ...
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  2. 26th March 2015, 01:32 PM #2
    lolypop000
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    Navigation software expert GMA Authenticaion Question
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    Your device have new protection and no tool will unlock map for this device.

    Read this: [Only registered and activated users can see links. ]
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  3. 26th March 2015, 02:37 PM #3
    JonJoe
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    Ah ok - thanks for the reply. I'll just have to wait to see if anyone finds a way around this in the future.
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  4. 28th March 2015, 06:43 AM #4
    ionutzdan02
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    Have you tried to create the map in mapsource or mapinstall and then create the unl file with the unlock code?
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  5. 28th March 2015, 07:03 AM #5
    Neil
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    Garmin/GPS Systems GMod. GMA Authenticaion Question
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    Quote Originally Posted by ionutzdan02 View Post
    Have you tried to create the map in mapsource or mapinstall and then create the unl file with the unlock code?
    The JM generated unl code by itself won't even work in any recent nuvi [or for that matter older series with recent firmware] using maps with FID 2200 and over because of GMA protection. Read this: [Only registered and activated users can see links. ]. Then read both of the threads linked in the initial post there and by lolypop000 in post #2 above. The OP has a nuvi 2559, all 2xx9 and other recent such models have a novel protection which has not yet been overcome.
    'Thanking Posts' are banned. To thank someone, and/or to see hidden links and content, use the [Only registered and activated users can see links. ] button below left of the helpful post then refresh your browser [F5 key]. 'Thanking Posts' are banned.
    Please don't spam. Posts serving no purpose other than to thank or to ask about hidden links are trashed or deleted, it's GPSPower's policy. Please don't spam.
    [Only registered and activated users can see links. ] should make their first post as a new Intro Thread in [Only registered and activated users can see links. ].
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  6. 28th March 2015, 09:47 AM #6
    ionutzdan02
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    Sorry to know that . May someone will be able to crack the code you just hold on k?
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