: Format a USB flash drive to FAT32 . Ensure all parts of the firmware are downloaded and extracted into a single folder on your computer.
Copy the extracted file to the root directory of your USB drive. Plug the USB into the TV while it is powered off.
For the safest experience, it is recommended to download software directly from the manufacturer:
The TV should enter an automatic update mode. during this process, as it can permanently "brick" the device. Where to Find Official Support
of your Philco TV to ensure this exact firmware version is compatible? MZN8055K4 Todo Firmware