Interesting:
Could NOT wipe/format in TWRP, couldn't install rom zip, so I rebooted. And yay, I'm on HyperOs2 (I can't not remember flash/install it, so how is it there?). Also all my files there.
But now I can't use twrp? Bc I cant use: adb/fastboot, so how do I install TWRP now? AND get root...