This report details the PlayStation 4 (PS4) System Software Update version 9.00. While Sony Interactive Entertainment has since released newer firmware versions (notably 9.50, 9.60, 10.00, and 11.00), version 9.00 was a significant milestone update released in September 2021. It introduced major quality-of-life improvements, changes to the user interface, and preparations for integration with the PlayStation 5 console.

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The PS4 9.00 firmware update, also known as the "Befroze" update, focuses on improving system performance, stability, and security. Some of the key changes include: