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  1. #131
    VIP Master Convert 3790/3760/3750 to 3490
    Convert 3790/3760/3750 to 3490Convert 3790/3760/3750 to 3490Convert 3790/3760/3750 to 3490

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    Quote Originally Posted by turboccc View Post
    Yes, it works. That's how I cloned a 3450 device and converted my 3750 into a full 3450. BT looks like it is working but it is not. If you disable it and try to re-enable it in the BT menu, it won't because the BT chip is not soldered on the board.
    turboccc,

    When you "cloned" the 3450 and converted your 3750 into a 3450, did you end up with full functionality just as if the older 3750 was a 3450?

    I have a 3790 and would love to be able to convert it into a 3490 to have the new routing v3.0, but especially to be able to use a GTM-60 with the newer HD traffic features.

    Based on what you were able to do, do you think it's possible to convert a 3790 to a 3490 ?

    Thanks.

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  3. #132
    voyager56
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    Quote Originally Posted by Kanopus View Post
    Bluetooth in 34xx is a feature that can be enabled by xml or probably by editing region 140 too. But defalut setting for BT feature is off, if you enable any other feature by xml and you don't add xml for BT too, then it will be reverted to default state.
    You are wrong. I had unit in which BT icon was on the main screen, BT was enabled by xml. BT software version was on Device->About screen and so on. but I was unable connect to the phone.
    Was exactly as said Turbocc " BT looks like it is working but it is not. If you disable it and try to re-enable it in the BT menu, it won't"
    But now it works.

  4. #133
    voyager56
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    Quote Originally Posted by timp4411 View Post
    turboccc,

    When you "cloned" the 3450 and converted your 3750 into a 3450, did you end up with full functionality just as if the older 3750 was a 3450?

    I have a 3790 and would love to be able to convert it into a 3490 to have the new routing v3.0, but especially to be able to use a GTM-60 with the newer HD traffic features.

    Based on what you were able to do, do you think it's possible to convert a 3790 to a 3490 ?

    Thanks.
    3790 can be converted to 3490 easy way, as it was described by Catymag
    Code:
    Please Login or Register to see the links
    Last edited by voyager56; 2nd December 2011 at 02:53 PM.

  5. #134
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    3750 converted equivalent to 3450+ but more features ...
    3760/3770/3790 converted would equivalent 3490+

  6. #135
    voyager56
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    Quote Originally Posted by ddabcd277 View Post
    Nice information for the thiefs
    Do you mean UnitID? As far as I know nobody is bothering find stolen unit by UnitID.

  7. #136
    Navigation software Moderator kunix's Avatar
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    I have to say that due to our 'efforts' Garmin has started to protect their devices from flashing patched firmwares. In particular, GCDs for nuvi 24xx, 34xx, 30, 40, 50 are digitally signed. There is a 256-byte signature appended at the end of every GCD. The signature is an encrypted SHA1 hash of GCD contents. I can claim that SHA1 is used, because I've seen it in disassembly. Also I'm quite sure the encryption is asymmetric because long-integer functions are used. So it looks like we can't fake the signature. Now imagine that Garmin digitally signs also RGNs and update.txt&ldr.bin on some new device. The era of easily hackable devices would end.
    That's why you'd better think twice before sharing things like UnitID copying.

  8. #137
    VIP Master Convert 3790/3760/3750 to 3490
    Convert 3790/3760/3750 to 3490Convert 3790/3760/3750 to 3490Convert 3790/3760/3750 to 3490

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    It's always a danger to let the Mfg know what you can do with their devices.

    Much of the info shown openly may be best served by sharing thru PM's only. But that has difficulties too.

    If they shut out the hackers too much, I think their sales may suffer.

  9. #138
    turboccc
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    @kunix,

    When did they add this to the 34xx? I have not seen any released firmware and it is still working. If what you say is true (and I am not doubting you!), it has started long before our latest information "leaking". Those things are not released that fast on the market before cautious testing. I claim they started a year ago because VPM voices modified by TTSVoiceEditor would not work anymore on the nuvi 290. They will probably be expanding this to other files. We'll see. One more challenge. That is all.
    Last edited by turboccc; 2nd December 2011 at 08:02 PM.

  10. #139
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    HTC at the begining of the year also began locking the bootloaders of some smartphones for the customers not to use custom ROMs but at the end they surrender. Hope Garmin look and learn from the mistakes of others and don't repeat them.

  11. #140
    Navigation software expert Convert 3790/3760/3750 to 3490
    Convert 3790/3760/3750 to 3490Convert 3790/3760/3750 to 3490Convert 3790/3760/3750 to 3490
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    and here we go again.
    Maybe 2 months and we break the Garmin code.
    All that Garmin try to disable,we enable back.

 

 

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