I was on REBUG CFW, let my friend borrow the PS3 and he tried signing on to PSN, which I don't have setup.
PS3 tried updating to newest OFW, but now is stuck on installing @99%.
I have to unplug it or it'll be stuck indefinitely.
This is how I got my PS3 back.
I read online that formatting /...
btw i feel this a good time to remind you guys that sea of thieves was made by rare, who also made DKC1-3 and DK64, alongside banjo kazooie and conker's bad fur day