Thank you for the files and your instructions. Worked on my 1490t. For those who are still confused, my procedures are as follows:
1) Download the two img files (cityXplorer NA 2012.20.img and CXNA.img) from the links above.
2) Download Jetmouse keygen from this post:
[Only registered and activated users can see links. ]
3) Run the keygen, enter your unit ID, select "custom mapset" from the second dropdown menu, enter 800 in FID box
4) Press OK and then the second Generate button on the main program
5) Save the generated code as cityXplorer NA 2012.20.unl
6) Place all three files to the Map folder of your microSD card (SD:\Map)
7) Voila
This is my first attempt at unlocking a Garmin map. If there are any missteps, please feel free to correct me. Thanks to all who have contributed.
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