5D III - Switched back to Canon 1.2.3, can't use eyefi card

[jackzucker2000]

can someone help me get this up and running? Is there no way to disable boot flag?

[Walter Schulz]

You're welcome to ask anything not covered there:
http://www.magiclantern.fm/forum/index.php?topic=11017.0

[dilonious]

Jack, I came here to find the same answer this morning.. installing the latest version of magic lantern on your 5d3 allows you to undo the boot flag! Problem solved and Eye-fi working!