PS3 Update to System Software 4.89: Here's a Full Guide for You - MiniTool Partition Wizard
PS3 Firmware version 4.91 released (PSA) | GBAtemp.net - The Independent Video Game Community
GitHub - PS3-4K-Pro/Firmware-Updates: Custom firmware update server for PS3™ 4K Pro.
Wario64 on X: "PS3 received a new firmware update today (4.91 - This system software update improves system performance.) https://t.co/wjNBJAksVA https://t.co/EKdWIHrLlH" / X
PS3 Update to System Software 4.89: Here's a Full Guide for You - MiniTool Partition Wizard