I have taken off the link to the earlier firmware version, obviously it was fine back in July
and I am still running it on my original box without any issues.
Seems things have moved on with the newer supply of boxes, but I don't want anyone to be bricking boxes because the firmware is out of date in a link.
This is the first I have heard, so sorry for any hassle it may have caused recently.
The rest of the tutorial should still work fine