Garmin Bluechart G2 Vision unlocking

**EIcojo** · 1st April 2010, 10:40 PM

Hi, I intend to purchase a Garmin 555S Plotter and am getting some G2 Bluechart torrents. They seem to be in GMAPSUPP.IMG format. As a relative newbie to this format (im used to unlocking within mapsource for teressterial gps's) can anyone give me a simple step by step method of unlocking the G2 Vision charts. Please treat me as a beginner.
Thanks

**catymag** · 3rd April 2010, 03:07 PM

to unlock an unlocked IMG
rename the map gmapsupp.img and unlock with jetmouse keygen creating the unl file with notepad
[Only registered and activated users can see links. ]

on jetmouse keygen v1.5 put either the 10 digit gps unit id number (will be unlocked only in your gps)or the sd serial # (it will be unlocked in any gps you put the sd card
under-select map product --on the bottom ---custom map set---add the maps FID# also called mapid #

click generate a few times on the bottom-all those numbers will unlock the map--copy that 25 digit number into the gmapsupp.unl file --- don't add a enter --just 25 digits on the first line ----
on a sd card create a garmin directory--in that directory copy your gmapsupp.unl file (unlock file) and the gmapsupp.img (g2 map)
When you save the .UNL file in Notepad, be sure you set the "Save as type" to "All Files", not "Text Documents".

**EIcojo** · 3rd April 2010, 10:53 PM

er...., OK:
1. How do I create a unl file (??) with notepad?
2. How do I get the SD id number?
3. I'm familiar with the keygen, but never to insert into a notepad/text document, only into mapsource. How do I copy that 25 digit number from the keygen into the gmapsupp.unl file, how do you mean without pressing the enter key?

**catymag** · 3rd April 2010, 11:09 PM

1-- open notepad ,write the code in the notepad ,close & save it as type" to "All Files", name it gmapsupp.unl
2-- [Only registered and activated users can see links. ]
3-- copy it simply in notepad ,just the 25 digits on the first line

zac1roni · 7th June 2010, 09:52 AM

Hi everyone,
Here is my dilemma. I purchased a Garmin GPS 421s for my husband with the Bluechart Vision G2 Hawaiian Island map. Apparently Garmin decided to down grade this card after March. So the older version shows the important details that my husband needs to navigate the seas. The new one is completely worthless. His friend has the older version and gave him a "copy" of the chart on an sd card. When I install the card it says can't unlock maps. How can I unlock this with my computer or his GPS 421s? If anyone can help me with this I would be so grateful...hell...I will send you a special care package from Hawaii! :D Mahalo(Thank you) in advance!

Roni (The frustrated fishmongers wife)

**Midnight Blues** · 7th June 2010, 11:27 AM

Everything you need is here:
[Only registered and activated users can see links. ]

zac1roni · 8th June 2010, 03:45 AM

When I try to open it, it says the archive file is corrupted and cannot be opened?

**Midnight Blues** · 8th June 2010, 09:59 AM

1. Post question in thread where you downloaded file
2. Do not download attachments with download managers (accelerators) - download directly with browser
3. Do not unpack archives with 7-zip - use WinRar or WinZip

File is O.K. - I've downloaded it yesterday

salserogr · 14th August 2011, 05:17 PM

Hey Catymag,

YOU ROCK !!!
thanks to your advice, I just unlocked my map concerning Andriatic Sea & Ionian Sea (map ID= 234)
I just bought a brand new Garmin 421s chartplotter.
Thanks to you, I don't need to BUY the map. I just downloaded & unlocked.

THANKS AGAIN MAN. !!!!!!!

Best greetings from Western Greece.
Just in case you need anything, my mail is: sorry email adresses not allowed on forum