If your TV cannot connect to the internet, you can manually update using a flash drive. How to check for software updates on an Android TV
Most modern Westinghouse TVs run on the Roku TV platform . Use these steps to check for updates: on your Westinghouse remote . Navigate to Settings in the main menu . Select System and then go to System Update .
update_package = os.path.join(STORAGE_PATH, "update.bin")