Thread: How to convert 3790us to 3790 Sg/My

Hi all!
I was trying to change firmware of my 3790 to Sg/Mal but none of the attempts was succesful :/
I was doing by instruction step-by-step with version 2.30 and 2.50 with no result.
Device is working properly but info shows still 3.60 "european" version and I didn't noticed any changes in software and/or funcionality.
It's just looks like firmvare remaining unchanged.
Can anybody faced something like that? Is there any solution?
I will appreciate any help or clues.
THX in advance!

Originally Posted by Kenokin

Hi all!
I was trying to change firmware of my 3790 to Sg/Mal but none of the attempts was succesful :/
I was doing by instruction step-by-step with version 2.30 and 2.50 with no result.
Device is working properly but info shows still 3.60 "european" version and I didn't noticed any changes in software and/or funcionality.
It's just looks like firmvare remaining unchanged.
Can anybody faced something like that? Is there any solution?
I will appreciate any help or clues.
THX in advance!

Is your 3790 US ?

3790US Hwid = 1101
3790Sg Hwid = 1288

After flash to Sg/My
For RGN_tool v0.44
Garmindevice.xml will show hwid= 1288

For RGN_Tool v0.60
Garmindevice.xml will show hwid = 1101

For software version ., it will show 2.20 or 2.30 (Always :: if you didn't edit f/w by manual)
If it shows swv 3.60(without manually edit) ., it means your unit did not be flashed by mod .gcd

I guess you used a mod .gcd file
and will not be flashed to nuvi if swv is the same as current swv in unit.

So you need to override swv to lower or higher than swv in your unit for .gcd file.
But you can use any swv number for rgn file.

If success :: at least you will see POIs Icon on map.
Please give more detail what you did and failed.