PS4 Update 7.55 Released and Brings What People Expect - MP1st
PS4 System Software Update 8.00 Beta Released, Here's The Full Changelog - Gamer Tweak
How to update your PS4 to firmware 5.05 - Wololo.net
Ask PlayStation UK on Twitter: "@SO_DanHill Did you use your account on another console recently? Is your console the Primary PS4? Are you able to verify your card details to continue? ^DB" /
PS4 Update 6.00 is now Available for Download
PS4 System Software Update 5.55 Released, and it Does What You Probably Expect
download ps4 firmware 5.55 / Twitter
PS4 7.50 Update Patch Notes | What's in the system update today? - GameRevolution
PS4 System Update 5.55 Is Now Available for Download