I purchased a PS3 backward compatible from ebay for a good price and I'm impressed how clean it is. However... It's still on firmware 2.50. Should I update the firmware? : r/PS3
GitHub - PS3-4K-Pro/Firmware-Updates: Custom firmware update server for PS3™ 4K Pro.
Sony PlayStation 3 Releases v1.80 Firmware Updates | Audioholics
PlayStation 3 v2.80 Update Official, Improves Playback Quality - Gematsu
PlayStation 3 system software - Wikipedia
Surprise! There's a new PS3 firmware update - here's what patch 4.88 does | TheSixthAxis
PS3 - 4.88.1 HFW (Hybrid FirmWare) | PSX-Place
New PS3 Firmware Update 4.90 Now Available to Download
New PS3 firmware update keeps Sony's console alive for another year
How to download PS3 Firmware for RPCS3 Emulation - YouTube
PS3 Firmware 4.90 is out! (and you really don't want to update) - Wololo.net
PS3 Update to System Software 4.89: Here's a Full Guide for You - MiniTool Partition Wizard