Sorry it is my first one and I wasn't sure where to post this hope it's a right place.
YES it is possible to patch/Unlock SEK8000i using USB ,I just done mine 2 and works fine-)
You will need to put some efforts but it's doable.
pleaese read below what you need for some reasone i couldn't get links working in the dela so just made it in reply.
if is any questions please ask