Hacking BoTW revert game version?

[jjh76]

Now that I've mostly beaten the game, I'd like to try messing around with the sword trial glitch mode, however I had updated the game to the latest version before I knew about it. I tried deleting all the game data and saves and using USB helper to install update v97, but it keeps saying I need to update, and even though I've got the dns blocking on preventing it from connecting to the update server it doesn't show the "start without updating" button.

Is there something in the nand I can safely delete that would let me revert to an earlier version of the game with the glitch still active?

 

[GeeBeeYaY]

you'll have to do this:
https://gbatemp.net/threads/downgrade-updates-on-wii-u-games.466343/
(scroll to the bottom)