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  1. #1
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    Firmware Garmin Fenix 6X PRO Bricked :(

    So my Garmin Fenix 6X Pro got bricked 😞


    1) Device model, firmware, and HWID

    • Model: Garmin Fenix 6X Pro
    • HWID: 3291


    2) How and why the device got bricked
    I received the watch today. Wi-Fi was not working, so I attempted to update the firmware. Unfortunately, I flashed firmware for the wrong HWID.
    Before this, the watch was otherwise fully functional — only Wi-Fi was broken, and MSM mode was inaccessible.

    3) Current symptoms
    • Device only shows the firmware update screen
    • Update process gets stuck halfway
    • Will not boot into the OS
    • Garmin logo never appears


    4) Does the PC detect the device?
    Yes, but only in pre-boot mode
    MSM mode is not accessible

    5) Troubleshooting steps already attempted

    • Flashed firmware with the correct HWID
    • Flashed older firmware versions
    • Used GarminCure3 / QuickCure3
    • Tried all known button combinations


    6) Garmin USB drivers installed?
    Yes (latest official drivers)

    8) Guides and resources already read and followed

    • How to unbrick a nüvi – step-by-step guide
    • GarminCure3 tool – the new way to create cure firmware


    9) Pre-boot mode

    Yes, pre-boot mode is reachable
    Followed Garmin’s official pre-boot instructions

    10) NV backup available?

    No 😞

    Any help or guidance would be greatly appreciated.
    Thank you very much!

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  3. #2
    Garmin/GPS Systems GMod. Garmin Fenix 6X PRO Bricked :(
    Garmin Fenix 6X PRO Bricked :(Garmin Fenix 6X PRO Bricked :(Garmin Fenix 6X PRO Bricked :(Garmin Fenix 6X PRO Bricked :(Garmin Fenix 6X PRO Bricked :(Garmin Fenix 6X PRO Bricked :(Garmin Fenix 6X PRO Bricked :(
    Neil's Avatar
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    You've already tried the common methods so recovery is now less unlikely, and whether it's at all recoverable depends very much on what you've mistakenly flashed to it. I think fenix watches install the main bootloader in region 5 differently to most 'conventional' garmin devices.

    Please post info of what foreign fw was flashed and supply links both to it and the originally native version previously loaded. Also say in exact detail how the wrong fw was loaded. i.e. what method? Because you've stated MSM was not available when you received the watch it's likely you loaded an RGN file in preboot. If so, was a wrong bootloader BIN file (fw_0505.bin) flashed to region 5 along with the wrong fw_all.bin to region 14 (0x0E)?
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