Universal Firmware Patcher for Protected Garmin Devices

Hi to all !
Can someone please help me with a custom SD flash kit for a ZUMO 590 LM, HWID 1796, SW 3.30 ?

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Many thanks!

adadah Reviewed by adadah on 22nd June 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