The TV's bootloader cannot read complex file systems or deep directory structures. You must format your USB drive correctly to ensure the board recognizes the update file. Insert your USB flash drive into a computer. Open your operating system's formatting tool. Choose as the file system (do not use NTFS or exFAT).
The firmware files are often named with a pattern: . tp.sk518d.pb802 software update
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. The TV's bootloader cannot read complex file systems
Power off the device completely.
Before updating, ensure your board matches these technical specifications to avoid bricking the device: Android 9.0. Open your operating system's formatting tool
Sometimes the new firmware introduces bugs or removes a critical feature. If you need to downgrade:
Ensure the USB is completely empty and formatted to FAT32 .