NIKAI 65″ UHD TP.HV553.PC821 UHD65SLED4 Firmware Software
Brand : Nikai Android Smart Led tv
Model : UHD65SLED4
Main Board TP.HV553.PC821
Rem/Memory : 1GB
Rom/Storage : 8GB
Android System 7.0
usb updatable firmware
To Update
Extract the rar file and you will get
allupgrade_v553_sos.bin file
Copy this file to fat32 formatted USB
plugin usb to tv Port 2 And plugin power switch software update will start
