: Fixes synchronization problems with HDMI CEC-compliant devices.
Because the Q548.1E chassis predates many modern "smart" automatic updates, a manual USB upgrade is the most reliable method. Before starting, verify if an update is actually needed: Press the Home (or Menu) button on your remote. philips tv software upgrade application q5481
: Introduces features like Scenea , allowing users to display high-quality images when the TV is idle. How to Perform the Software Upgrade philips tv software upgrade application q5481