Use a USB flash drive (ideally 2.0 and 8GB or smaller) and format it to FAT32 .

Unplug the power from your TV or controller board. Insert USB: Plug the drive into the board's USB port.

Usually provided as a .bin file inside a .rar or .zip archive. How to Install via USB

Once the light stops flashing or changes color, unplug the USB drive and restart the device.

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Use a USB flash drive (ideally 2.0 and 8GB or smaller) and format it to FAT32 .

Unplug the power from your TV or controller board. Insert USB: Plug the drive into the board's USB port. Download 3663LUA A81 1280x768 Firmware USB rar

Usually provided as a .bin file inside a .rar or .zip archive. How to Install via USB Use a USB flash drive (ideally 2

Once the light stops flashing or changes color, unplug the USB drive and restart the device. Download 3663LUA A81 1280x768 Firmware USB rar