Move the extracted firmware file to the root directory of the USB drive (do not put it in a folder). Installation: Turn off the TV and unplug it from the power source. Insert the USB drive into the TV's USB port.
Format a USB flash drive (8GB or smaller is recommended) to FAT32 . Download 35018484 3840x2160 Nikai UHD55SLED3D part1 rar
Use a utility like WinRAR or 7-Zip to extract part1.rar . This will automatically combine all parts into a single folder containing a .bin or .img file. Move the extracted firmware file to the root
Press and hold the on the TV (not the remote) and plug the TV back in. Format a USB flash drive (8GB or smaller
The TV should detect the file and begin a software installation or upgrade process.
The file you are looking for, , typically refers to a multi-part compressed archive containing the USB firmware for the Nikai UHD55SLED3D . This software is often used by technicians to repair TVs that are stuck on the "Smart TV" boot logo or experiencing system crashes. Nikai UHD55SLED3D Specifications