To update the firmware of your Samsung screen, follow these steps:
Step 1:
Download the appropriate firmware from the official Samsung site:

http://www.samsung.com/us/support/downloads

Step 2:
Save the firmware to a USB storage device.

Step 3:
Install the firmware in the USB device and connect it to your screen.

Step 4:
Select the option Support.

Updating Samsung SoC's firmware

Step 5:
Select the option Software Update.

Updating Samsung SoC's firmware

Step 6:
Select Update now.

Updating Samsung SoC's firmware

Step 7:
The screen will begin the update. This process may take several minutes.