PS4 update 4.0 features: HDR, Quick Menu and folders | WIRED UK
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PS5 and PS4 system software betas roll out February 9, include Open Parties - Gematsu
PS4 System Software Update 4.50 | software | PS4 System Software Update 4.50 is live! Here's a rundown of some of its biggest new features. | By PlayStation | Facebook
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PS4 software update v2.01 to tackle Rest Mode problem | Eurogamer.net
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