Your TV's USB port has an underrated feature that can revitalize an old system for free
Briefly

Installing firmware updates via USB is essential for smart TVs to maintain the latest software and security features. Smart TVs typically check for updates automatically through Wi-Fi if connected. However, in cases of unstable connections or preference for manual updates, the process involves finding the TV's model number, usually on a label on the back or in the settings menu, and then downloading the latest firmware from the manufacturer's website. It is crucial to check for region and version compatibility before proceeding.
Installing firmware updates using a USB drive on smart TVs ensures the device has the latest software, features, and security patches. Automatic updates rely on a stable internet connection.
To install firmware updates via USB, begin by identifying the TV's model number, found on a sticker on the unit or in the settings menu, then locate the latest update on the manufacturer's website.
Read at ZDNET
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