How do I update the TV software?
To update via the internet, press Quick settings > TV options > Settings > Device Preferences > About > System Update > Internet and press OK, then follow the on-screen instructions. Alternatively, you can check for updates from the Home page by selecting the Notifications icon in the top-right corner. A high-speed broadband internet connection is required for this update. (Page 16)
From the official Sony WH-1000XM5 Wireless Noise-Canceling Headphones manual, page 16
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