OK. Listen up!
avrdude -c usbtiny -p m64 -U lfuse:w:0xAE:m -U hfuse:w:0xC0:m -U efuse:w:0xFF:m
avrdude -c usbtiny -p m64 -U eeprom:w:113-06201-080.eep -B 100
avrdude -c usbtiny -p m64 -U flash:w:113-06207-020.hex
avrdude -c usbtiny -p m64 -D -U flash:w:113-06201-080.hex
So IF you want to update, you need the firmware from the jyetech site + the eeprom file + the bootloader file.
Windows users can use a GUI uploader and the bootloader, which seems to be safer. Linux users will have to go the upper way.
Jyetech sent me the files, but I don’t know if I can release them to the public on my blog. Anyone who needs them can send me a PM.