Well I tried to roll back to 6.1 with no success. I used this guide (manualchoidowngrade) and did everything up until the part where you have to dump your TSEC keys. firmware 7.0 gives me an error. (Could not identify package1 version to read TSEC firmware <= '20180802162753'>). So i just...
weird fact: m night shyamalam, creator of the sixth sense and that live action avatar movie that was total ass, also wrote the screenplay for stuart little