BRAND NIKAI-UHD SMART TV
MODEL : UHD50SLED-2
MODEL : UHD55SLED2
MAIN BOARD: TPHV530PC821-V530-1GB REM 4GB ROM
RESOLUTION : 3840*2160 UHD 4K
USB UPDATABLE FIRMWARE
You have downloaded rar file Extract it and copy allupgrade_V530_sos.bin files to fat32 formated USB plugin usb to port 1 Press and hold the power button from the side touch button and plugin main power Not closing the main switch while the software is being updated.
If the picture is large after the software update completes, or if the picture comes in two parts, You will download two types of files, there is a difference of panel division in both.