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  1. #11
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    Re "Are you sure you don't have any other old, corrupted gupdate.gcd in your device/sd"

    Yes, sure, no gupdate.gcd anywhere... and no SD-Card at all in my device...

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  3. #12
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    Whis 6.20 all working fine?
    Really weird, let's wait for Neil, may be he has some ideas
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  4. #13
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    6.2 was working fine for 3 years... and 6.3 also seems to be OK... (although I had to flash it with garmincure3.exe as explained above)...

  5. #14
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    If i'm understanding what's happened:

    You've found gupdate.gcd won't load V6.30 and temporarily 'bricks' the device.

    You say you used cure3.exe to load an rgn form of the v6.30 firmware? Was without actually using cure firmware then formatting? If so, that's the same as loading the original fw directly using updater.exe. I think that because the gcd and rgn are used and loaded differently the problem is with the device's flash and you need to clear [Only registered and activated users can see links. ] memory is all.
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  6. #15
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    Hi Neil, after the 1490 was bricked by trying to update gupdate.gcd v6.3 via the stand-reboot method via webupdater, I unbricked it (see your links above "How to unbrick a nüvi - step by step guide") by using step 1 of the word doc (cure method for v6.2). Then I proceeded with step 3 (original method for v6.2).

    Now v6.2 was back and afterwards I did step3 again (original method for v6.3).

    So after all: v6.3 is up and running, but I never managed to flash v6.3 via the usual method... only via cure3...

  7. #16
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    Ok, that's my point in fact. I was referring to when you upgraded finally to V6.30 that it was done by using cure3.exe to load original fw, being exactly the same as if you'd dragged the RGN file onto [Only registered and activated users can see links. ] manually to flash it. There are quite distinct differences in the way a gcd file is 'flashed' [loaded] and the way an rgn file is flashed. With a gcd the device itself in involved in loading the various components to the relevant regions, whereas updater.exe does that work itself without demands on the device itself. Our Navigation Software Experts will probably laugh at such a simplistic and basic explanation, but think of gcd loading as an automatic transmission which changes gears itself whereas the rgn file is like a manual gearbox needing some external input to work it. Therefore my theory that clearing nonvol may fix up the problem with the process of loading the gcd which has clearly been stalling midway and not completing which 'bricked' the device. If you haven't already cleared nonvol you should immediately do that as there may be other unwelcome corrupt data which could cause problems later in quite other ways.

    To test that theory [if you wish and at your own risk] just open a copy of V6.30 gcd in [Only registered and activated users can see links. ] and change the 630 SW Version to 631, save it as gupdate.gcd onto a microSD card in a Garmin root folder [x:\Garmin\gupdate.gcd] and with the unit fully OFF insert the card and turn it on. It's not going to harm anything because it's still V6.30 but the device will be 'fooled' into loading it unnecessarily. If it also stalls on loading then simply force the device off by holding the power button down until it goes off and immediately remove the card. Be sure to clear nonvol first though.

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  8. #17
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    Thanks Neil, in order to avoid future surprises I now cleared Nonvol... I thought that clearing Nonvol is also a little bit like a hard reset... but after doing the initial Device setup I was surprised that there were still some favorites... and my 1490 still knows where 'at Home' is...

    Anyway... since I don't intend to do any future firmware update with this very old device... my case is 'closed'... as long there won't appear further surprises... Thanks to you all for your great help!!!!

  9. #18
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    Quote Originally Posted by garbaetsch View Post
    Thanks Neil, in order to avoid future surprises I now cleared Nonvol... I thought that clearing Nonvol is also a little bit like a hard reset... but after doing the initial Device setup I was surprised that there were still some favorites... and my 1490 still knows where 'at Home' is...
    It absolutely shouldn't still know where home is because clear nonvol is even more comprehensive than a hard rest in fact.

    Anyway... since I don't intend to do any future firmware update with this very old device... my case is 'closed'... as long there won't appear further surprises... Thanks to you all for your great help!!!!
    If the flash chip is failing then you may not have to worry about any further updates anyway. Sorry, but the symptoms you're seeing with a clear nv not working properly are a little concerning. Try multiple clearances is my advice but if the home location and/or any other user data remains after doing that then it's eventually going to fall over imho. Just enjoy it and maybe it'll still last for years yet anyway. I've marked the thread solved anyway.
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  10. #19
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    Hi, hi... I did a second clearance of Novol... After initial device/language setup: all Favorites and 'at home' still there (things like 'recently found' are gone however...)... anyway...
    Last edited by garbaetsch; 27th May 2016 at 10:45.

  11. #20
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    I had the same Problem with my Nüvi 1490T when updating to FW 6.30. Thanks to Neil for the helpful Links to unbrick my Nüvi.
    After several tries to update to Firmware 6.30 which all failed i removed the SD Card and the Firmware Update worked.

    Thank you!

 

 
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