Samsung Galaxy NX500 Camera User Manual (en)

Updating the firmware
Use Wi-Fi or a USB cable to connect the camera to the computer and 
update the firmware of the camera or the lens.
You cannot run a firmware update without a fully charged battery. Recharge 
the battery fully before running a firmware update.
If you update the firmware, user settings and values will be reset. (Date, time, 
language, and video out will not change.)
Do not turn the camera off while the update is in progress.
Connecting via USB cable
Turn off the camera.
Connect your camera to the computer with the USB cable.
You must plug the small end of the USB cable into your camera. If the 
cable is reversed, it may damage your files. The manufacturer is not 
responsible for any loss of data.
If you try to plug the USB cable into the HDMI port, the camera may not 
work properly.
Turn on the camera.
On the computer, select i-Launcher 
 Software Update.  
Follow the on-screen instructions to download the firmware to 
the camera.
You can download the firmware of the camera or the lens.
Turn off the camera when the download completes.
Remove the USB cable.
Turn on the camera.
Press [m] 
 Device Information 
 Body Firmware or Lens Firmware
Select Update in the pop-up window on the camera to 
update the firmware.