PS3 Update to System Software 4.89: Here's a Full Guide for You - MiniTool Partition Wizard
Sony Closing in On Settlement for PS3 Linux Debacle
PS3 'Other OS' class action dismissed
PS3 Firmware Update 4.90 Released, Here's What It Does
PS3 UPDATE USB FLASH DRIVE PLUG IN LATEST Official Sony FIRMWARE FW OFW | eBay
A decade and a quarter later, after Sony got rid of Other OS, could it have been exploited to jailbreak the PS3, or were Sony just being paranoid? : r/ps3homebrew