The 55PUT6002/56 is a budget 4K TV from ~2017. If the full software update doesn’t fix your problem:
The TV will reboot twice. Once finished, the setup wizard appears.
As of the last official release from Philips/TPV Vision:
Last updated: May 2026 – This guide applies to all Philips 6002 series SAPHI TVs including 43PUT6002/56, 49PUT6002/56, and 55PUT6002/56.