Hello gurus

Anyone had issues with firmware upgrade for GT-31 on Windows 7?

I am following http://www.mtbest.net/setting-up-navi-GT31.htm

I have the updater v0.61, trying to uppdate to GT31_FW_V1.2B1405x.S

I can get a COM connection using NaviLink. The driver is Prolific USB-to-Serial Comm Port.

Alas it fails to update everytime

Any clues?

Thanks, P

Have you closed ALL other programs before trying to update the firmware?

download firmware GT31_FW_V1.2B1405x.zip and extract zip archive to my document
you need have here file called: GT31_FW_V1.2B1405x.S

RUN GT31 updater and on GT31 go to: SETTINGS>VERSION>UPDATE>YES
In GT31 updater browse for file GT31_FW_V1.2B1405x.S in you "my doc" folder
Hit UPDATE and wait for minutes. When done, GT31 turning off and when you turn in on again, in SETTINGS>VERSION ypu must see V1.2B1405
then is OK

If you can't find good COM port, test with NAVI LINK II
Run navilink (put GT in navilink mode) and when you connect to device remember the current COM port (not same avery time)
hope that help

choco said...

have you selected "update" on your GT31?

Yep

Malloy said...

Have you closed ALL other programs before trying to update the firmware?

Yep

mineral1 said...

Not being a smart arse, but did you extract the files, and save them to a file on your desk/lap top, and then try to upload the "extracted files" from there.?
Cos if you didn't, then that's the issue, I know what its like

Yep

wkcwarrior said...

Yep

Followed instructions to the letter. Have done it successfully before on Windows XP. Anyone been successful on Windows 7?

Had same FW update trouble on my vista os. Forums suggested to do this procedure on an XP os. Got it first try.

When I read the Mt Best site about the latest firmware I get a bit confused as to
which version is the latest.
Is it 2B1405x or 3B1123T

To my old mind there is a bit of ambiguity.

GT31 Firmware upgrade for GT-31 on Windows 7.

1st & 2nd GPS the upgrade worked fine with no problems.

3rd GPS upgrade failed....GT31 upgrade software would work to about 90% then upgrade error, repeated many times with the same result.

Removed the Navi software & reinstalled, same problem... about 90% then upgrade error.

Tried a 4th GPS, upgrade error was the same.

Then tried another USB port & all the GPS's would upgrade.

Weird, but no time to find what caused the error.