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  1. #401
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    Sorry if this has been posted somewhere else before. In order for me to add a unlocked Europe map to my driveassist51 I would need to patch the firmware as my model is listed in the reference txt file. I'm a bit confused about future official firmware updates from Garmin. Can I just update it normally and all that will happen is that it will become locked again? Or will official firmware updates no longer work?

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  3. #402
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    pls help me! Now I have Drive51,APAC_GCDFile__210.gcd(HWID=2803),but I canĚt use this firmware to my drive51.

    Code:
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    2,Used RGN_tool V0.87,but no HWID .
    3, after 280301000210.rgn but my drive51 canĚt use North American img.

  4. #403
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    what am I doing wrong guys??? I can't my driveassist51 into preboot mode. everything up to that point has gone perfectly. no errors or anything.. i'm reading to give up.

    If I can't get this to work and give up.. what do I do with the gcupdate that i removed from the garmin

  5. #404
    GPSPower Helper Universal Firmware Patcher for Protected Garmin Devices
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    Quote Originally Posted by signalpirate View Post
    what am I doing wrong guys??? I can't my driveassist51 into preboot mode. everything up to that point has gone perfectly. no errors or anything.. i'm reading to give up.

    If I can't get this to work and give up.. what do I do with the gcupdate that i removed from the garmin
    Try this

    1.Turn off the device

    2. Power on [preferably by making USB connection to PC]

    3. When GARMIN logo appears quickly press above and between letters G and A:

    you can put the file gupdate.gcd back into the nuvi .System Folder or you can leave it out The nuvi will still work fine without this file.
    This file is only used for the Nuvi to flash it's firmware. If this file changes the Nuvi will flash from the new file that comes from GarminExpress.exe
    The difference between stupidity and genius is that genius has its limits.
    Albert Einstein.

  6. #405
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    this one was a tricky one. What worked:

    1. turned off device
    2. Garmin logo appears, I quickly press and hold the top left corner. "software" blinks above garmin logo.
    3. quickly plug in usb cable.
    4. hit ok on updater and see it update successfully.

    If I power off the device and plug in the cable while holding the top left corner.. it wont work. I think I tried 20 times.

    unlocked maps show up fine. used gps simulator and so far looking good. Will do some more testing


    does this patched firmware prevent me from getting normal updates thru garmin express? Or will it install updates normally, but if I do that I will have to redo this whole patching process again?

  7. #406
    GPSPower Helper Universal Firmware Patcher for Protected Garmin Devices
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    Quote Originally Posted by signalpirate View Post
    this one was a tricky one. What worked:

    1. turned off device
    2. Garmin logo appears, I quickly press and hold the top left corner. "software" blinks above garmin logo.
    3. quickly plug in usb cable.
    4. hit ok on updater and see it update successfully.

    If I power off the device and plug in the cable while holding the top left corner.. it wont work. I think I tried 20 times.

    unlocked maps show up fine. used gps simulator and so far looking good. Will do some more testing


    does this patched firmware prevent me from getting normal updates thru garmin express? Or will it install updates normally, but if I do that I will have to redo this whole patching process again?
    Don't update firmware by means of Garmin Express, This would defeat the objective of the patch.
    If a new version comes available then you will patch the new version if it can be patched.
    You can do Map updates by Garmin Express.
    The difference between stupidity and genius is that genius has its limits.
    Albert Einstein.

  8. #407
    VIP Master Garman_Nuvi's Avatar
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    Having a bit of fun with a Drive 50 ,thanks to Cure3 all back to standard.
    HWID from unit is 2267 firmware downloaded DriveandDriveSmart40_50_520.gdc and recovered from the unit GUPDATE.gdc both DO NOT show HWID in RGN_Tool or FirmwarePatcher

    226701000520.rgn does not work

    Can anyone point me in the right direction ??




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  9. #408
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    Garman_Nuvi,
    Attached Images Attached Images
    Last edited by zinke; 14th June 2017 at 04:58 AM.

  10. #409
    VIP Master Garman_Nuvi's Avatar
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    Hi zinke,thanks for responding,I understand you do nothing when patching but what do you name the .rgn file if HWID is "0" 000001000520.rgn or 226701000520.rgn

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    [Only registered and activated users can see links. ]


    Any chance you can share your .rgn file that worked on your Drive 50 ?
    Last edited by Garman_Nuvi; 13th June 2017 at 11:48 PM.

  11. #410
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    Default I can't get GUPDATE.GCD to patch.

    Hello,

    Hopefully somebody can help me.
    Which ever way i try to patch GUPDATE.GCD, i always get following massage: "File format not recognized."
    I have Nuvi 57 (2087) and software version 450.

    Thank you.
    Last edited by hjasmin; 14th June 2017 at 03:08 AM.

 

 
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