Check the version of your PS4 system software - YouTube
PS4 Firmware Update 10.50 Released With Some Important Changes : r/PS4
PlayStation 4 system software - Wikipedia
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PS4's 9.60 update: 5 problems and fixes that we found
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PS4 Public Beta Firmware 9.0 Available, Displays PS5 Trophies on PS4
PS4 Slim Firmware 6.20 Low System Software Version (Slim $215 PRO...
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PlayStation 4 firmware update 7.50 reportedly forces some consoles into a boot loop - NotebookCheck.net News
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How to update your PS4 to firmware 5.05 - Wololo.net
How to Check PS4 Firmware? - Explosion Of Fun
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Sony Brings PS4 Remote Play to iOS - Thurrott.com
Are you guaranteed to get a PS4 with firmware 5.05 or lower if you buy it now? - Wololo.net
PS4 System Software / Firmware 9.00 is Now Live, Don't Update! | PSXHAX - PSXHACKS
How to Update a PS4 Console Automatically or Manually
PS4 Firmware 9.03 Available to Download Now | Push Square
PS4 Firmware update 6.70 Released - Wololo.net
Low Firmware Score. : r/ps4homebrew
