Upgradeloaderpkg Philips |work| Here

: Extract the downloaded zip archive. Copy the upgrade_loader.pkg file directly to the root directory of your USB drive. Do not place it inside any folders.

Philips TVs are notoriously picky about the USB drives used for force-flashing. Follow these preparation steps strictly to avoid installation errors: upgradeloaderpkg philips

Complete Technical Guide to UpgradeLoaderPkg for Philips TVs : Extract the downloaded zip archive