: Resolves instances where no picture or sound is observed on HD video content through Audio Stability
This code likely refers to a specific firmware update file for a Philips Android TV or one of their Smart TV models (e.g., 6xxxx, 7xxxx, 8xxxx series). philips tv software upgrade application q5481
Since the Q5481 application is often a "major version" upgrade, it is rarely pushed via OTA (Over The Air) initially. You will likely need a USB 3.0 flash drive. : Resolves instances where no picture or sound