Summary
Insert USB: Plug the flash drive into a USB 2.0 port (often black; avoid blue USB 3.0 ports for this process). upgrade-loader.pkg philips
Placement: Copy the upgrade_loader.pkg file directly to the root directory of the USB (not inside any folders). The Force Upgrade: Turn the TV on and plug the USB into the USB 1 port. Unplug the TV from the power outlet. Plug the TV back into the power outlet. Short review — upgrade-loader
Manufacturers prefer "Over-the-Air" (OTA) updates. Usually, your Philips TV or monitor will connect to Wi-Fi and automatically prompt you to update. However, there are several scenarios where you must resort to a manual USB update using upgrade-loader.pkg: Cause: You downloaded firmware for the wrong region
55PUS8506/12).