National Deluxe 50″ CV9632-B55 Smart TV Firmware software
Model Number: NA50Y23USFB
Main Board : CV9632-B55
Screen Size: 50″
Screen type: LED
Resolution type: V500DJ7-QE1 4k FHD
Usb Updatable firmware software
To update this software, copy the CtvUpgrade.bin file to USB and connect usb to tv And press and hold power button from the side touch button and attach the main switch Software update will complete in 3 minutes
