Quote Originally Posted by kup View Post
There are two ways to do it, rename 0505 to FORMULA.ROM and load it on a USB stick. Reflash 0907 and turn it off while it's flashing, this will corrupt it. When it boots up it will read FORMULA.ROM from the USB stick and reflash it automatically to 0505.

Or use the method described in the first post.
or you can use afudos /n switch