Cant download fw list check this one
So ..do i need fw for this one?

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bam-bam Reviewed by bam-bam on 4th March 2024. 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

@bam-bam
dezl 770 | 2002 | 550 | MAP: Yes | GMA: Yes | MSV: Strong | GVS: Yes | File: dezl770_550.gcd

<PartNumber>006-B2002-00</PartNumber>
<SoftwareVersion>550</SoftwareVersion>
<Description>Dezl 770</Description>

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SD card Patch kit dezl 770 550 HWID 2002 Only

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Instructions
Make sure your device is fully charged.
Unpack contents to fresh SD card formatted FAT32
Ensure your device is fully OFF (not in standby), insert the card into your device and power on.(if battery is low use the Power cable to power on)
"Loader" will appear on screen for a while then the device will boot up when the flash of patched firmware is complete.
Your device may reboot its self during the process just be patient.