Garmin Zumo 220
Hello, the device stucks when booting. You only see the Garmin logo. What I already did. I have the firmware zumo2x0_GCDFile__300.gcd. With the tool "RGN Tool" I created the file zumo2x0_GCDFile__300.rgn. I created a cure version with GarminCure3 and flashed it on the device in Preboot Mode. It is still not recognized as a USB device. Can you help me. I got the device from a friend and unfortunately I do not know what was done before and why it is broken.
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