Finding the correct file is a game of high-stakes digital roulette. The software for the 55PUT6002/56 isn't just a generic "update." It is a specific firmware version designed for the chipset mounted inside your specific panel.
Important: This model does not use a downloadable USB update from the Philips support website in most regions. Instead, updates are delivered over-the-air (OTA) via the TV’s internet connection. philips+55put6002+56+software+update+link
Once you have the official philips+55put6002+56+software+update+link file, follow this exact procedure. Do not skip steps. Finding the correct file is a game of