: Ensure you have all parts (part01, part02, etc.) in the same folder. Use a tool like WinRAR or 7-Zip to extract "part01"; it will automatically pull data from the subsequent parts to create the final firmware file (usually an .img or .bin file).
: Visit the official support section of the manufacturer's website or reputable technician databases. Download ONIDA 55UIR Firmware part01 rar
: Place the extracted firmware file directly into the root directory of the USB drive (not inside any folder). Installation Steps : Ensure you have all parts (part01, part02, etc