"Start by finding your TV's specific model number. It's usually on a sticker or label on the back of your set, which can often be tricky to read -- especially on a wall-mounted TV. Take a flashlight with you and jot down what you see on the sticker. Better yet, turn on your phone camera (with flash) to reach behind the TV and snap a picture of the sticker so you'll have the information forever."
"Most smart TVs are designed to automatically check for and install updates over Wi-Fi -- as long as they're connected to the internet and the automatic update feature is enabled. But if your TV has an unstable Wi-Fi connection -- or you simply prefer a manual approach -- the following is a walkthrough of how to use a USB drive to do the job."
Firmware updates keep smart TVs current with software, features, and security patches. Most smart TVs automatically check for and install updates over Wi‑Fi when automatic updates are enabled. For unstable Wi‑Fi or manual preference, updates can be installed via a USB drive. Locate the TV model number on the back sticker or in settings; photograph the sticker for an accurate record. Visit the manufacturer's official support or downloads page, search by model number, and download the latest firmware file. Pay close attention to region and version compatibility before applying the update via USB.
Read at ZDNET
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