You need to run LV2 prior to running any BM after a few seconds a white screen shows, press X and then load the BM
If you want to keep using it that's up to you. He rushed his out bricking consoles, untested firmware wasn't fixed & what else isn't right that we don't know about. I have a hard time trusting someone who doesn't test his work and seems to be OK that "at least it works for some people". I'm not picking, just my 2 cents is all.