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 English Forums - Hardware
 Garmin nüvi forums
 nuvi 37xx : Differences US vs Sing/Mal vs Taiwan ?
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SiamMarine

Thailand
372 Posts

Posted - 14 nov. 2010 :  02:32:43  Show Profile  Visit SiamMarine's Homepage  Reply with Quote
turboccc
You will loss Ecoroute HD for converting to sg/my firmware.

PouchX
Please show the way to go back US.
Many people need to go back for sometime.
Thanks.

ps :: 3770 Thai is coming soon.
(include :: 3D building map., DEM., Traffic., MP3 player.,TTS., new Ecoroute., )

Edited by - SiamMarine on 14 nov. 2010 02:40:26
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PouchX

Poland
272 Posts

Posted - 14 nov. 2010 :  09:12:22  Show Profile  Visit PouchX's Homepage  Reply with Quote
To go back to EU/USA version you need to create .rgn file with 2.50 EU/USA firmware (no mods)
Create same file but change firmware version to 2.19.
First flash your Nuvi with 2.19.
Then, flash it with original 2.50 .rgn or .gcd.
Thats all.

Also, use same way of flashing if you want to go to Sg/Mal/TWN version.

PCB version doesn't metter.

PS. Thanks to AM for hint

Edited by - PouchX on 14 nov. 2010 09:18:09
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oni_pooh

13 Posts

Posted - 14 nov. 2010 :  11:07:58  Show Profile  Reply with Quote
@PouchX

Is 2.19 a magic number?
What is the difference between 2.19 and the other numbers?
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PouchX

Poland
272 Posts

Posted - 14 nov. 2010 :  11:35:08  Show Profile  Visit PouchX's Homepage  Reply with Quote
Flashing this way will fully erase user data and all settings.
Such erasing is not available through "normal" erase combination.
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oni_pooh

13 Posts

Posted - 14 nov. 2010 :  13:35:08  Show Profile  Reply with Quote
@PouchX

Thank you for your fast response.
As you wrote, "Create same file but change firmware version to 2.19."
Does it mean that we have to change firmware version in both boot.bin and fw_all.bin?
Thank you.
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PouchX

Poland
272 Posts

Posted - 14 nov. 2010 :  14:18:58  Show Profile  Visit PouchX's Homepage  Reply with Quote
fw_all is good enough.
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lolypop000

Slovenia
176 Posts

Posted - 26 nov. 2010 :  18:15:31  Show Profile  Reply with Quote
quote:
Originally posted by PouchX

To go back to EU/USA version you need to create .rgn file with 2.50 EU/USA firmware (no mods)
Create same file but change firmware version to 2.19.
First flash your Nuvi with 2.19.
Then, flash it with original 2.50 .rgn or .gcd.
Thats all.

Also, use same way of flashing if you want to go to Sg/Mal/TWN version.

PCB version doesn't metter.

PS. Thanks to AM for hint




For nuvi 1300 wont work.Is GIR mismatch.Software version 2.19 GIR=4.70.
Nuvi 1300 cant downgrade to first version 2.70.
What can i do?
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AussieDJM

Australia
121 Posts

Posted - 27 nov. 2010 :  04:55:05  Show Profile  Reply with Quote
Not sure what you did so try this.
Did you first make sure no GUPDATE.GCD file left on device. Delete it before flashing with modden RGN file.
On 37xx series it is found in the hidden \.system folder
On 13xx series not sure (maybe \Garmin)? Look and see.
And you have to use the original 13xx GCD file (NOT 37xx GCD)and mod the SWID in your 13xx GCD file. Save as RGN as flash with Updater.
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lolypop000

Slovenia
176 Posts

Posted - 27 nov. 2010 :  14:20:01  Show Profile  Reply with Quote
I delite gupdate.gcd from hidden \.system folder and i use original 1300 GCD file and i mod nuvi 1300 gcd file version 4.70 and change SWID to 2.19 and nuvi show GIR mismatch.Software version 2.19 GIR=4.70 on startup screen and wont load to menu.
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lolypop000

Slovenia
176 Posts

Posted - 28 nov. 2010 :  20:13:20  Show Profile  Reply with Quote
Yessss,now is working.I download nuvi 1300 original v4.60 firmware rename to GUPDATE.gcd and save in .system folder.Download SG/MY software version 2.70 open RGN tool and folow Turboccc tutorial:

# File->Open and select your US firmware GCD or RGN file
# Click the Save button in the boot.bin section (the first on top) and save it to boot_us.bin
# File->Open and select your SG/MY firmware GCD or RGN file
# Click the Load button in the boot.bin section (the first on top) and load boot_us.bin (the one you saved in previous step)
# Notice the HWID and SW Version from this boot.bin and copy those numbers in the Overrides section(I put for SWID version 4.59). Enable the checkboxes and put the numbers from boot.bin.
And save to .rgn.
After flash with rgn tool sg/my software,nuvi reboot and on startup automaticly upgrade with original US firmware to version 4.60 and now my nuvi 1300 work super with US firmware no errors anymore.
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turboccc

Canada
783 Posts

Posted - 29 nov. 2010 :  00:57:20  Show Profile  Visit turboccc's Homepage  Reply with Quote
@lolypop000 - Welcome back from hell... :)
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lolypop000

Slovenia
176 Posts

Posted - 29 nov. 2010 :  10:43:31  Show Profile  Reply with Quote
Thanks turboccc ;)
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SergejKiller

25 Posts

Posted - 17 déc. 2010 :  22:03:24  Show Profile  Reply with Quote
>> To go back to EU/USA version you need to create .rgn file with 2.50 EU/USA firmware (no mods)

is it possible to use version 3.60? Or 2.50 has something unique?
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SiamMarine

Thailand
372 Posts

Posted - 18 déc. 2010 :  02:25:11  Show Profile  Visit SiamMarine's Homepage  Reply with Quote
Maybe you have to modified swv to 219 or your nuvi will get robooting condition.
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SergejKiller

25 Posts

Posted - 18 déc. 2010 :  08:51:51  Show Profile  Reply with Quote
I got that SW version should be change to 2.19. But should the source SW version be only 2.50, or it could be 3.6 as well?
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