Was anyone successful in flashing one of the version (20180930 - 20181015) onto a new usb and having it work?

If so, did you do anything special appart from using udisk ?

Here's how I messed up. I only went to login screen the first time. I tried the root/envision some people gave but it wouldn't login.

I then switched the usb to my PC to see if I could disable the password but got welcomed with a "you need to format this drive".

Test on 3 more pc, same result.

Tested again the miner, couldn't get in.

I've decided to flash the latest version, but now no matter what I try, I can't see my miner since I wiped the usb that came with it to try and upgrade it.