Hmm...
Wrong forum:
https://www.mobileread.com/forums/sho...59&postcount=1
How are you going to 'go back' to an earlier version without command line access?
Isn't that a problem to be solved first?
Just re-apply the most recent jail break.
Then if USB network doesn't load, report it in the proper thread.
Authors are usually subscribed to the threads they support.
And you can find the tread about updating the cross-bred DX(G) and K3 firmware here:
https://www.mobileread.com/forums/sho...d.php?t=263894