Yes, your Misha should show up in EDM regardless of the firmware version it has.
No, you cannot update the firmware via the SD card, you must use EDM.
The latest version of EDM should work correctly, we have tested this on a few machines with different Mishas and we are not experiencing any issues.
Have you tried selecting “Search for Devices” in EDM once your Misha is connected?
Can you let me know what Mac model you are using, and what OS it is running?
On your mac, if you open a terminal window, copy/paste the command below and hit enter, this will show a list of connected USB devices. You should see one titled “Misha Updater”.
ioreg -p IOUSB -l -w 0
