My PS3 said that I need to update to 4.88. Why? : r/PS3
PS3HEN 3.0.3 HFW 4.88 : esc0rtd3w : Free Download, Borrow, and Streaming : Internet Archive
Jailbreak PS3 FAT & SLIM On 4.88 or Lower And install CFW 4.88 Cobra - Ouralo
PS3 System Update v4.88 Sneaks Out - Download Links are Here - Terminal Gamer - Gaming is our Passion | PS4, PS5, Xbox One X/S, Nintendo Switch, Oculus Quest
Surprise! There's a new PS3 firmware update - here's what patch 4.88 does | TheSixthAxis
PS3: Homebrew ENabler 3.0.3_4.88 released for Firmware 4.88 - Wololo.net
GitHub - PS3-4K-Pro/Firmwares: Firmwares for PS3™ 4K Pro.