TP.MS638.PC822-1G-4G SAMSUNG FIRMWARE
1GB REM 4GB ROM ANDROID 4.4 kitket SMART TV
WORKING REMOTE SAMSUNG SMART HUB
RESOLUTION 3840*2160 4K UHD
USB UPDATABLE FIRMWARE
Extract the rar file and you will get allupgrade_msd638_4G_sos.bin Copy this file to fat32 formatted USB Plugin usb to tv and connect main power Software update will start automatically
If there is no software update then the file has to be rename in this way.
If you need to set up penal division after installing software You will get two config files with the software which file will be useful to you