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Garmin nuvi 2555 cannot unlock maps - Garmin GPS

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Posted on Jan 02, 2017

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SOURCE: unable to unlock maps for

Soution:

1. Use Mapsource to find the unlock code for NT v8 (from Utilities->Unlock Maps...).
2. Using Notepad, edit gmapprom.unl file on the unit (under Garmin folder) to replace invalid code with the correct 25 character unlock code (no spaces or dashes) and hit Enter key and save.
3. Reboot.

Posted on Apr 04, 2009

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SOURCE: garmin 205w nuvi cannot unlock

Ok so I decided I was going to return this thing tomorrow after hours of frustration, so I decided to get crazy with it and then figured out something that seems to have worked (will probably still exchange it for a Magellan or something other than Garmin though).

It's gonna sound crazy, but I opened up the Garmin drive on my computer (Mac, so not sure how this works on PC), and deleted everything I could see (not hidden files). EVERYTHING.

I then went ran Disk Utility and reformated the "Hard Drive" (on PC I would guess your able to do the same somehow). It still ran after that, but obviously could not find maps (since I just wiped every trace of a map away).

Next step, I ran Garmin Map Manager and transfered map for my state (AZ) (I have the latest map update saved on my computer, so I'm guessing Manager used that). Unplugged from comp, powered up, and voila! I will need to download my voices and vehicles again, but hey at least it's working again.

Posted on Apr 13, 2009

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SOURCE: Is there any free map updates for the garmin nuvi?

Asmany as there are FREE dinners Updates are not free, unless you paid full price for it when you bought it. Free upgrades are a deceptive myth. If you get a free uograde its usually minor and was included in the price of the pack.

Posted on Sep 20, 2009

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James,

Your manual is available from Garmin via this link. The nuvi 2555 is functionally identical to the manual in the link. The "lm" part of your model simply stands for "lifetime maps"

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Garmin Nuvi 1450LMT,how do I unlock maps?


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Garmin nuvi 295 says "can't unlock Maps"


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On my garmin streetpilot 7200 it says maps are locked...


I'm not sure if the street pilot is the same as the garmin nuvi. There are details of how to unlock Garmin Nuvi satnav maps at http://www.fixya.com/support/r6197735-no_detailed_maps_found_support_routing
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1 Answer

Garmin NUVI 205 when turned on says can't unlock maps!?!


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I hope that helps.

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1 Answer

Garmin Nuvi 200 Maps Disappeared


Hi,
Hope this helps!

I wanted to add maps to my 250W. I found the maps I wanted on a Torrent. However, many searches around various forums never revealed how to install these. Found the following through reading and experimentation.

1. Downoaded map image file GMAPSUPP.IMG. Download also gave me "Use code XXX when generating unlock code for maps"
2. Downloaded Garmin Unlock Generator 1.3 by JetMouse
3. Looked on my GPS to find the UnitID
4. Entered the UnitID into Garmin Unlock Generator. Ignore the GM XT device unlock code and the top Generate button.
5. Selected Map Product as Custom and entered the code given for the downloaded image file.
6. Hit the bottom create button to generate a 25 digit code.
7. Download Img2Gps and run
8. Click Load Folder to load the image file. Select the tick next to it.
9. Check the Use Unlock Key option and paste the 25 digit code in.
10. Load a blank SD card into your Garmin
11. Connect the Garmin to your PC using a USB cable. You should see two dirves in windows: one is the Garmin and the other is the "Removable Disk" SD card.
12. Create a folder called "Garmin" on the SD card
13. Select Folder/Card in Img2GPS
14. Click "Copy Maps". Select the folder /Garmin on the SD card. You may need to click copy again.
15. Upload will take a while.
16. You should now see a file GMAPSUPP.IMG on the SD card in the /Garmin directory.
17. Create a new text file called GMAPSUPP.UNL in the same directory (make sure it does not have a hidden .txt extension).
18 copy the 25 digit unlock key into this file.
19. Close the file.
20. Disconnect the Garmin.
21. On Startup it should load your original maps and the new ones.

May 28, 2009 | Garmin nuvi 200W GPS Receiver

2 Answers

It says . cant unlock maps.


Hi,

Follow this below


Go to your account at garmin that you created to manage your maps.

Click myMaps

Click Manage Maps

You should see your unit and it’s unlock codes

Copy all the unlock codes for your device

Close your internet browser
Right click on your desktop

Click new, and then click a new Text Document

Click on the newly created Text Document icon from the desktop

Type your unlock codes into the document
Click File and Save as

Change the file name to gmapprom.unl (( double check this please ))

Change the “Save as type” to "All files"
Close the document

You should see the file gmapprom.unl on your desktop
Right click on the gmapprom.unl file and then click copy

Plug your Garmin device in and then click Computer/ My Computer
Click on the nüvi drive

Right click on the Garmin folder and click paste
Safely disconnect your Garmin device from the computer


Regards
Richard.

May 18, 2009 | Garmin Nuvi 255 GPS Receiver

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