PS3 Firmware 4.82 released, one year after last update & mere days after 4.81 exploit revealed - Wololo.net
PS3 Firmware v4.90 (& Older) Download for RPCS3 & Other Emulators
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
How to install Custom Firmware on the PS3 with FW 4.82 - Hackinformer