Hey!
I just tried to update my camera and it did not seem to work, however I'm not sure what failed. As far as I can tell I'm still on the old 0.2. Version because I cant find any of the new features and the version dialog still claims to be 0.2 (and not 0.2.3 or 0.3 or whatever)
The upgrade process itself went exactly like described in the first post, no errors appeared. I'm using an 8GB USBstick, maybe it's too big? But the update was recognized by the camera and it did find and apply the update on the stick.
I know this is a really bad "bug" report as it contains virtually no info, so please tell me what to try and which information you need so I can report back. If needed, i will record the whole upgrade process using another camera