Yes, the guide is v3, believe it or not even tho the guide is still far from being perfect and working universal for everyone it has been changed 3 times to try make it easier.
That version of SuperSU is the latest that will open and work correct...
So the problem seems to be the SD controller. With the older .sys files in place wireless works, but as soon as you put in a SD card it borks them. Seems to be a problem people are aware, but googling it, I can't find a solution for it.
anybody try whether still working with latest update 22.214.171.124_r1 ?
I manage to find the problem. It's related to DNS rebind in router.
There is some type of attack called a "dns rebind" attack that dnsmasq can protect you against.
For some reason streaming netflix is causing the protection to kick in and that ...
I sideload latest netflix ver.3.8.3 from google playstore and netflix working
However since this netflix version for tablet, then fire remote won't work on this version
I'm going to call netflix and escalate this issue