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  1. #1
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    Default Is it possible to make my Zumo340LM to be Zumo 395?

    Hello!

    Well is there a way to change my FW and change my device from Zuma340 to let say Zuma395? it seems the same device but with some other software.

    Thanks

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  3. #2
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    What is your zumo 340 PCB number?
    See:
    [Only registered and activated users can see links. ]
    PCB P/N is shown in "battery menu" usually.
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]

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  4. #3
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    Probably 340 has the same region layout as 390, if so it will face the same problems in conversion to 395 even if PCB P/Ns match: [Only registered and activated users can see links. ].
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    Quote Originally Posted by Neil View Post
    Probably 340 has the same region layout as 390, if so it will face the same problems in conversion to 395 even if PCB P/Ns match: [Only registered and activated users can see links. ].
    Hello,

    Well as i saw i have Zuma 340LM with pcb 105-01973-00 and as i saw in the Match pcb it is the same as the Zuma 395 verion, but where can i find the FW dl files?.
    I tried to find them on the garmin site, but with no sucsess,and is there a simple way to cahnge the 340 fw to 395fw as thay seem the same.

    Thanks

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    Yes, it shares PCB P/N with 395, but that only means that conversion might be possible. Did you read the other thread? zumo 390 also has same PCB P/N as 3x5 too and 340 and 390 use same fw but conversion wasn't possible 390>395 b[Only registered and activated users can see links. ], so result is a blue striped screen. That's because no GIR loaded. Serious fw manipulation may be possible however but that means going 'under the hood' with some real coding skills.

    If you want to try the conversion yourself, here are the latest firmware versions for both 3x0 and 3x5 at Garmin anyway:
    Code:
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  7. #6
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    Please do NV back up before playing with firmware!

    sent with my phone
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]

    [Only registered and activated users can see links. ]
    You have to navigate to get to the good.
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  8. #7
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    Quote Originally Posted by catymag View Post
    Please do NV back up before playing with firmware!

    sent with my phone
    What is NV backup??

  9. #8
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    Best you don't try any such conversions if you're unfamiliar with backing up NV: [Only registered and activated users can see links. ].
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  10. #9
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    Quote Originally Posted by Neil View Post
    Best you don't try any such conversions if you're unfamiliar with backing up NV: [Only registered and activated users can see links. ].
    Well i made it! i have a working Backup on an SD card, know what next?
    i have t 2 Firmware files, how can i convert the 340 to the 395?

    Thanks again

  11. #10
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    You can try by using the 3x0 boot.bin combined with the rest of the 395 fw to make an RGN file to flash in preboot with updater.exe. Follow the basic instructions in Post #2 of the 590>595 thread as a template: [Only registered and activated users can see links. ].

    NOTE: This is entirely at your risk. If you irretrievably brick your zumo 340 remember that you've been warned.
    'Thanking Posts' are banned. To thank someone, and/or to see hidden links and content, use the [Only registered and activated users can see links. ] button below left of the helpful post then refresh your browser [F5 key]. 'Thanking Posts' are banned.
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