Garmin City Navigator North America NT 2014.20

**dasilvarsa** · 25th September 2013, 01:21 PM

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430N RHB Updated with Garmin City Navigator 2014.10 NT - Jeep Wrangler Forum

Read the Whole Thread, It's not straight forward !

Drive Carefully

**Roger** · 25th September 2013, 02:38 PM

@ nubby105

Look/read also this 3rd to post #68 and the following

Bye,bye

**Neil** · 28th September 2013, 05:35 AM

You haven't stated your unit model, but this is universal for an SD/microSD card: x:/Garmin/gmapsupp.img. Just rename it. Most modern units can also have a folder named Map on sd or unit where you can have multiple maps with 'anyname'.img. Please read: [Only registered and activated users can see links. ] particularly the links under 'Storing maps in devices'.

PS: No need to quote entire long posts, just the relevant bit.

**Neil** · 1st October 2013, 04:18 AM

"File" ..? Do you mean folder? If you have an older unit capable of using 3D building image files such as a nuvi 765, it goes in the unit's Garmin folder named as gmap3d.img.

**Adolfoam82** · 2nd October 2013, 03:07 AM

Originally Posted by Neil

"File" ..? Do you mean folder? If you have an older unit capable of using 3D building image files such as a nuvi 765, it goes in the unit's Garmin folder named as gmap3d.img.

Sorry, its folder, you are right,
Thank you

**catymag** · 2nd October 2013, 04:57 PM

For stored maps in 7x5 look here
[Only registered and activated users can see links. ]
gmap3d.img is ok.
For JCV you can use large JCV from official Garmin link, it's posted in this thread.

**timp4411** · 2nd October 2013, 06:36 PM

Can I just copy the unlocked img and overwite the old img, and leave the old JCV, 3D and TZ files intact ? Or do I need to copy all the new files ?

**Roger** · 2nd October 2013, 07:32 PM

All the new files associated to new map:
1) mapset (CNNTNAm 2014.20==>gmapsupp.img or gmapprom.img)
2) gmap3d.img of this mapset
3) DxxxxxA.JCV of this mapset.
4) no other files for this mapset

Bye,bye

**timp4411** · 2nd October 2013, 07:35 PM

Hi Roger....

I am good to go since I have a gmap3d.img, D1279190A.JCV, and the "unlocked" gmapprom.img for CNNANT2014.20.

I should just have to copy and replace those files on the 765 and all should be OK.

**timp4411** · 3rd October 2013, 02:12 PM

I went ahead and deleted the old map on the 765 (which I had previously named gmapsupp.img) along with deleting the old gmap3d, tmz, jvc, and all the old unlock files.

I then copied the new 2014.20 files. I went ahead and named the 2014.20 map "gmapsupp.img" as that is what the old map was named. Note that I sort of recall I had deleted the original gmapprom.img and used gmapsupp as the map name several updates ago. I can't remember why I did that.

But when I booted the 765 up, I did get a message "Can't Unlock Maps". When I hit the "OK" button the unit booted up ok and when I check the installed maps in did show 2014.20 and the screen appeared top display the map OK. I tried re-booting a cpouple more times, and once again I got the "Can't Unlock Maps" message and hit OK and the map displayed properly.

So why am I getting that message and how can I get rid of it ?

There are no Unlock files on the unit and the only map on it is "Unlocked" so why does it say "Can't Unlock Maps" ?

Thread: Garmin City Navigator North America NT 2014.20

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