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Reply With QuoteOK for US/EU 3790 models?
Notice any change/improvement after upgrade?
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23rd August 2011, 10:32 AM #1aekhongGuest
Touch Panel Software v1.23 for 37xx series.
The lastest Touch Panel Software version for 37xx is 1.23
You can check it out at Inventory page.
or About page.
If your version is 1.16 so you can upgrade it easily.
You just need 006B121100.GCD to put in Nuvi\.system\RemoteSW
How to get 006B121100.GCD
1). Download 3790CHNv2.50 from
2). Rename from .exe --> .rarCode:Please Login or Register to see the links
3). Open .rar and get 006B121100.GCD within RemoteSW folder.
4).Backup your old 006B121100.GCD within Nuvi\.system\RemoteSW
5).Replace it with the new one.
That's it.
Your 37xx will upgrade this software next time you open it.
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26th August 2011, 06:12 AM #2Senior Member
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26th August 2011, 03:16 PM #3aekhongGuest
Yes , you can use for 3790US.
It seems easier to access satellite data page. (press for a white on satellite icon at the left upper coner)
You can go back to previous version just put the old file back.
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27th August 2011, 02:13 AM #4Navigation software expert
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New Nuvis 3790US&EU have this version from factory!
That is interesting some device of 37xx (not all?!) have extra 006B121102.GCD file...Last edited by Giomen; 30th August 2011 at 01:53 AM.
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27th August 2011, 01:07 PM #5VIP Master
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I wonder if this version is the one that fixes the screen calibration problems many have reported on their Montana's ?
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27th August 2011, 03:41 PM #6Important User
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3790 and Montana have a completely different hardware touch panel, different display ,size and resolution: I dont think so-
These Montana devices have been replaced by Garmin, probably it was an hardware problem affecting first devices on market.
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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31st August 2011, 01:18 AM #7Navigation software expert
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Add attached file 006B121102.GCD in post #4...
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31st August 2011, 04:10 AM #8turbocccGuest
Note: you can extract the file from the .GCD using RGN_tool. It makes a file called external_data.bin (named by RGN_Tool, aka me
). It is absolutely of no interest, but I just wanted to let you know. It seems to install the .bin in Region 0x01. I wounder if ddabcd277 can read this region with his service cable. It would be interesting to see if the file is just copied there.
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31st August 2011, 07:11 AM #9Master
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Hmmm...I should think about that. You wanna know on which region is the touch panel software. 0x01 in GCD is not saying much. Strangely I have noticed the Bluetooth firmware GCD is also putting it on 0x01.
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31st August 2011, 11:48 AM #10turbocccGuest
It was just a thought. No worry.
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