How to check your PlayStation 4's current firmware version – PS4SCENE.COM
Leaked Images From Upcoming PS4 Firmware Update Show UI Improvements and Redesigned Features
How to Update System Software on PS4: 13 Steps (with Pictures)
PS4 firmware update 9.00 is now live. As always, if you care about homebrew, DO NOT update. : r/ps4homebrew
New PS4 System Update 8.00: Check PS4 Games New Releases, PS4 System Software Update, PS4 Update Error Details and PS4 Update 8.00 Todays Launch - News
Check Version of PS4 System Software - YouTube
PS4: How to manually update to Firmware 9.00 - Wololo.net
PS4 Firmware Update 6.71 is Ready to Download Today
PS4 consoles will still be playable long after PSN has died, thanks to this major update | Ars Technica
PS4 Firmware update 6.70 Released - Wololo.net
PS4 Update 4.0 Now Out, Check Out the Full Patch Notes
PS4 Beta Firmware / System Software 10.00 Hits Testers with Changelog | PSXHAX - PSXHACKS
How to Update a PS4 Console Automatically or Manually
How to update your PS4 to firmware 4.05 (or any other firmware) - Wololo.net