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First backup you old map, then delete it from you nuvi, you can try to delete in the new one,voices files you dont need, to have it smaller, but I dont think you'll have room enough, better to put it in an sd and eventually ,put in your device pois ,vehicles ,speedcams or may be a guide----Originally Posted by dwdw
in the garmin folder of the gps rename it to gmapprom.img
in the garmin folder of your sd card rename it to gmapsupp.img
remove or deselect any other maps displaying the same area---
the limit is 2024 map segments and 4 gb (fat32)----
to see all your new nuvi files change folder options to view all hidden files on your pc
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4th January 2010, 04:04 PM #1Important User
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- Nov 2007
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You have to navigate to get to the good.
Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600
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4th January 2010, 05:11 PM #2Junior Member
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- Jan 2010
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Thank You Catymag for the information and the How to!
The more I read the more I get lost! LOL
When I get out I'll pick up a 4gig SD card but how do I format it to be sure its 32 bit? A computer that has 32 bit Win XP I'll use that computer to format the SD card.
Copy and save the 2009 .img
In the Garmin folder of the gps rename it to gmapprom.img Is this the old 2009 map? I copied and saved but haven't deleted it.
In the Garmin folder of the sd card rename it to gmapsupp.img
Thank You --Your the GREATEST!!!!!!
dwdw
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21st April 2011, 03:42 AM #3lechiaGuest
Does merging maps (i.e. in effect making them bigger) make the GPS operate more slowly? Currently already the maps load v. slowly on the screen.
Tx.
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15th May 2011, 11:23 AM #4Member
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- Apr 2009
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- Romania
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Hi all,
I have downloaded CNEUNT 2012.10 from Multiupload. All the files: mapsource, ASR, G2S, JCV, etc. Unlocked them, but when I wanted to copy into may device, Nuvi 3790, something happened and device cannot see the maps. I copy it into System (hidden folder), both gmasupp.img and gmap3d.img. I have tried and recopy all of them. Same, nothing. If I put these files on a SD card it works OK. At least gmapsupp.img.
What I have done wrong?
Tx.
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16th June 2011, 02:38 PM #5zembaeGuest
thanks very much Sir!
from
1st hand experience on Nuvi
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18th November 2014, 03:08 PM #6Member
- Join Date
- Nov 2014
- Location
- France
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- 11
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Hi sorry , i'am trying since some weeks to give a second life to my NUVI 660T FM but i can't , i downloaded from here the CNEUnt 2015.2 unlocked img , putted this img on a sd card in a garmin folder ; when i open it with basecamp patched i don't see how to send this map on my device although it's listed on basecamp ; so i tryed tu put directely the sd card on the gps unit but the map isn't detected , also i 'm asking my self if there are not some files missing on my device ( because of older manipulations ) please can you look at the picture a post here and tell me where to find missing files and if my trouble can come from those missing files??
thanks for helping me , i would like so much that this devices works again...
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