Universal Firmware Patcher for Protected Garmin Devices

HI all, I have the following (Montana 680t):

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<Model><PartNumber>006-B2299-00</PartNumber><SoftwareVersion>340</SoftwareVersion><Description>Montana 680t</Description></Model><Id>3991589254</

I understand it can be patched via "webupdater upload". But how exactly do I do this? I have webupdater installed on my PC but i dont see how I can upload the new firmware there. Thank you very very very much for help

draken Reviewed by draken on 10th October 2019. Universal Firmware Patcher for Protected Garmin Devices Universal Firmware Patcher for Protected Garmin Devices v.1.10 This is an universal firmware patcher for protected Garmin devices. Many devices recently have a strong firmware protection and cannot use unlocked maps because firmware requires .gma and has MSV ( Map Signature Verification). In this list (http://www78.zippyshare.com/v/CWAOqHso/file.html) you will be able to check if your device firmware requires this patcher or if it just needs gingunlock+mapsigpatch or simply an .unl file Rating: 5

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Hi dear,
first of all you find the Patched Firmware at

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To Update with WebUpdater do as follow:

1. Connect the Device via USB to PC
2. Run WebUpdater (be sure to have an active Internet connection, WebUpdater requires it)
3. Drag & Drop the Patched GCD file, previously extracted from archive above, over the window af WebUpdater
4. The flashing run ...

That's All!

Thank you, thank you, thank you, thank you x 1000000000. It works! Have a great day.