For the Philips 55PUT6002/56 6000 series 4K Ultra Slim Smart LED TV, you can find the official software update link and instructions on the dedicated Philips Support Page Official Update Resources Support & Software Page
The best way to know is to visit , search for 55PUT6002/56 , and check the "Software and drivers" section. The version number displayed there is the latest official release for your region. philips+55put6002+56+software+update+link
Compare the version displayed with the latest version available on the Philips Support site. Summary of Key Tips For the Philips 55PUT6002/56 6000 series 4K Ultra