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.
Firmware files are specific to the mainboard number and panel number . Using the wrong software can permanently "brick" your device. If you are unsure, consult the official Nikai Support Page or a professional technician. Download 35018484 3840x2160 Nikai UHD55SLED3D part1 rar
Format a USB flash drive (8GB or smaller is recommended) to FAT32 . Use a utility like WinRAR or 7-Zip to extract part1
Press and hold the on the TV (not the remote) and plug the TV back in. Using the wrong software can permanently "brick" your device
Includes HDMI and USB ports for external media and firmware updates .
If you have successfully downloaded all parts (e.g., part1, part2, etc.) of the .rar file, follow these general steps to reinstall the software:
Typically equipped with stereo speakers and Dolby Atmos support on newer variants. How to Use the Firmware