Download all archive parts. Right-click "part1" and select "Extract Here" using WinRAR or 7-Zip to merge all parts (including part3) into the final firmware file [User Query].
This technical file refers to the for the Unionaire TP.SK508.PB801 Download all archive parts
Place the extracted file (usually ending in .bin or .img ) directly into the root directory of the USB drive. Download all archive parts