Hktrt2841p638 Firmware New Official: Addresses HDMI audio-video synchronization issues and enhances the stability of the digital TV tuner. How to Prepare for the Firmware Installation Copy this file directly to the of your formatted USB stick. Do not store it inside folders. Step 3: Trigger the Flash Process hktrt2841p638 firmware new The screen will display an upgrading progress bar. Do not turn off the TV during this sequence. hktrt2841p638 firmware new Unplug your television completely from the 220V wall socket and wait 30 seconds for the internal capacitors to drain. hktrt2841p638 firmware new Keeping the power button depressed, plug the TV power cord back into the wall outlet. |