Find your specific model on the official Philips Support page and download the firmware file (usually a .upg or .pkg file).
Power cycle the TV (unplug from AC power, then plug back in). philips tv firmware
Found on the majority of Philips smart sets from the last several years. Roku TV: Common in specific North American budget models. Saphi/Linux: Used in entry-level smart TVs. Find your specific model on the official Philips
Select Search for updates and then choose Internet . philips tv firmware