How do I update my TV software?
If the TV is connected to the Internet, press Quick settings > TV options > Settings > Device Preferences > About > System update > Internet and press OK. Follow the on-screen instructions to complete the update, or check the Notifications icon on the Home screen for available updates. (Page 17)
From the official Sony WH-1000XM5 Wireless Noise-Canceling Headphones manual, page 17
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