GarminCure3 doesn't work because:
1) It tries to patch section region 0x55, which should contain executable code like 0x0E, but it's format is unknown.
2) It misdetects section region 0x08 HWID, as it has some data after the end-of-region marker.
I've patched the RGN manually (while stripping regions 0x05 and 0x55):
[Only registered and activated users can see links. ]