PS3 Update to System Software 4.89: Here's a Full Guide for You
PlayStation 3: Sony releases Firmware 4.86 for their 13 year old console - HFW 4.86 released, SEN Enabler updated & PS3HEN to be updated soon due to no kernel changes! - Wololo.net
PS3 FIRMWARE V4.81 UPDATE (FIX 2016) - YouTube
How to Jailbreak a PS3 (with Pictures) - wikiHow
PS3 System Update 4.81 Is Available Now To Download
PS3 update 4.82 out & should you update? NO! - Hackinformer
PS3 Demo Mode 4.81 how to get rid of it? | PSXHAX - PSXHACKS
PS3 - 4.81 (OFW) Firmware Update Now Live !!! | Page 2 | PSX-Place
PS3 Update to System Software 4.89: Here's a Full Guide for You
The data is corrupted 8002F165 PS3 Error | PSXHAX - PSXHACKS