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Garmin Image Unlock - gimgunlock   

Garmin Image Unlock - gimgunlock

Post Number:#1 » Postby huntsman » Thu Mar 15, 2012 8:47 am

Garmin Image Unlock gimgunlock v0.03
Forget all other tools, this is amazing

Gimgunlock developed by wuyongzheng is yet another tool to unlock Garmin map files in IMG format. Although this tool exists since 2009, even with open source code available, it is almost unknown to the Garmin community. we hope it will have a new and bright future.

Features of gimgunlock:

* Direct Modification - unlike other tools which use GMapTool to split an image file, unlock each tile, then join all tiles; this tool unlocks all tiles in an image file directly without splitting and joining. Therefore, you should back up your original map first before running this tool.

* Super fast speed - The 1st result of direct modification is super fast unlocking. For example, a 2.3 GB image file can be unlocked in less than 4 seconds.

* Zero disk space - The 2nd result of direct modification is that no intermediate disk space is required. In fact, you can unlock a big image file on a SD card or USB connected GPS device directly and quickly.

* Intact header - The 3rd result of direct modification is that the original header of the image file is preserverd. Thus, timestamps, version number, Mapset name, etc. remain the same.

* Less memory used - this tools runs happily on Win32 without the need of 3GB switch.

* Multi-platforms support - this tool is distributed with Windows binaries. But those who prefer to run on Mac or Linux platform can compile the source code by themselves.

* Ease of use - to unlock, simply drag the image file over the icon of gimgunlock.exe, the dragged file will become unlocked. That's all. You can also run it in a command prompt window or batch file by supplying the pathname of the image file as the only argument.

Changelog: 19-09-2014

Works also now with new devices ( except NTU maps )


[Please Register or Login to download file]
Last edited by huntsman on Mon Sep 29, 2014 8:51 am, edited 6 times in total.
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Post Number:#2 » Postby ionutzdan02 » Sun Mar 18, 2012 5:30 pm

i got to say that this tool is amazing, i unloked my img file in 4 seconds and kept the same name for my 1695 nulink!! good job guys!!!!
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Post Number:#3 » Postby lolypop000 » Sat Apr 14, 2012 7:10 pm

Still is ??-????? in inventory page.
Why you dont repair this with solution from user quick?
Also in new gmap tool is this ??-???? repaired but here is still uploaded the old version.
Why?
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Post Number:#4 » Postby draxx » Mon Jul 30, 2012 9:45 am

Hello,

Many thanks for the job :)

One question. How handle files with a size > 4gb. I have two maps to manage on the gps and I would like have them both on the gps.
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Post Number:#5 » Postby p!xeldealer » Mon Jul 30, 2012 10:03 am

files > 4 GB are generally not possible because of the restrictions of FAT32 file system
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Post Number:#6 » Postby chas521 » Sat Nov 03, 2012 8:27 pm

DO NOT POST THANK YOU's. PRESS THE "THANKS" BUTTON INSTEAD.
If it ain't broke don't fix it!
ALWAYS BACK-UP YOUR FILES/FOLDERS BEFORE MAKING EDITING CHANGES!

Please do NOT post any thanks. Simply press the hand with the "thumb up" which is the thank you button.
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Post Number:#7 » Postby suequipo » Fri Oct 25, 2013 5:38 pm

Worked like a charm with Gisco Colombia map. Thanks so much!!!!
Funcionó perfecto con el mapa de Gisco Colombia. Mil gracias!!!
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Re: Garmin Image Unlock - gimgunlock

Post Number:#8 » Postby sasn » Thu Mar 13, 2014 8:36 am

Thank you
I have a map I'd like to unlock the map
Can you help me
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Re: Garmin Image Unlock - gimgunlock

Post Number:#9 » Postby Confused » Sat Mar 15, 2014 5:22 pm

download the tool - post #1 - (there are probably instructions in the zip file)
drag the gmapsupp.IMG onto the tool icon
the IMG will be unlocked
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Re: Garmin Image Unlock - gimgunlock

Post Number:#10 » Postby Grinder » Sat Apr 12, 2014 8:36 pm

Being new at this, this may sound like a dumb question to the old timers. If I copy the largest .img file from one GPS and use gimgunlock to unlock it, I can then copy the resulting file to my other Garmin and have the same updated maps as on the first GPS?
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Re: Garmin Image Unlock - gimgunlock

Post Number:#11 » Postby p!xeldealer » Sun Apr 13, 2014 5:56 pm

Yes, once unlocked you can use a map in all compatible devices.
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Re: Garmin Image Unlock - gimgunlock

Post Number:#12 » Postby Grinder » Mon Apr 14, 2014 7:34 pm

If you guys will bear with me, before I do the unlock I want to make sure I get everything right. When You drop the locked image file into gimgunlock will it write a new file or does it just unlock the file and leave it where it is? One more question and then I'll quit bugging you guys. Do you do anything with the other .img and.sum files or just leave them be?

Thanks for any help
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Re: Garmin Image Unlock - gimgunlock

Post Number:#13 » Postby p!xeldealer » Thu Apr 17, 2014 6:15 am

The file will be directly unlocked - no copy. What do you mean with "the other .img and .sum files"?
You should read about files names in tutorials section.
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Re: Garmin Image Unlock - gimgunlock

Post Number:#14 » Postby Grinder » Thu Apr 17, 2014 12:58 pm

Depending on which GPS I look at my Nuvi 855 has the map files in the Garmin folder and there are one or two other smaller .img files and without looking at both of them again I believe there was a .sum file. On the Nuvi 2597 the map files are in the system folder and there again there was at least one more smaller .img file. Those are the files I was wondering about.
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Re: Garmin Image Unlock - gimgunlock

Post Number:#15 » Postby p!xeldealer » Thu Apr 17, 2014 5:59 pm

As I told above, look on tutorials section in the thread "image names and pathes" or something like this.
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