Can't seem to unzip the .fir file to put onto the root menu of my card. If this is already unzipped it won't copy onto my card and can't seem to find any program for mac that works. Anyone who can help?
The .fir is the firmware. It doesn't need to be decompressed. There are many other ML files though (there should be autoexec.bin, a folder named ML, and several other files).
If you have magiclantern-v2.3.550D.60D.600D.50D.500D.5D2.zip just double click it. You will get a magiclantern-v2.3.550D.60D.600D.50D.500D.5D2 folder, copy all the contents of that folder to your card.
awesome all fixed, my card must've been locked or something. cheers! :)