How to update your PS4 to firmware 4.05 (or any other firmware) - Wololo.net
PS4 Firmware 7.0 Comes with System Level HDR Tuning Settings for Brightness and Darkness
PS4 System Software / Firmware 5.05 Update Live, Most Stable Yet! | PSXHAX - PSXHACKS
PS4 Firmware Update Will Add Requested Features & Remove Communities
PlayStation 4 system software - Wikipedia
Helpful tips on finding a PS4 on 6.72 or a lower firmware! - Hackinformer
Which firmware download for my Ps4 fat 500gb ?? Retail , testkit or recovery?? I want to update 6.20 to 6.72 for jailbreak ! Sry for noob question : r/ps4homebrew