The LG.com website utilizes responsive design to provide convenient experience that conforms to your devices screen size. In order to get the best possible experience our LG.COM website please follow below instructions. If you’re using Internet Explorer 8 or earlier, you will need to use an alternate browser such as Firefox or Chrome or upgrade to a newer version of internet Explorer (IE9 or greater). If you’re using Internet Explorer 9 and higher, turn off your Internet Explorer browser’s “Compatibility View settings” by following steps below: • Right click at the top of your browser and make sure the “Menu Bar” option is selected • Select “Tools” from the menu bar and then select “Compatibility View settings” • In the pop-up menu uncheck all three boxes and click “Close” • Your browser window will automatically refresh and you’ll be ready to go.

• Diagonal Class 55 inches • Diagonal Size 54.6 inches • Resolution 3840 x 2160 • Display Type LED • Display Format 4K UHD 2160p • HDMI Port(s) 3 (HDCP 2.2) • Other Input(s) 3 USB, 1 RF In (Antenna/Cable), 1 Composite In, 1 (shared with composite) Component In, 1 Ethernet, 1 Optical, 1 RS232C (Mini Jack) • Smart TV Operating System webOS 3.0 • Refresh Rate TruMotion 240 (Refresh Rate 120Hz) • Speaker System 2.2 Channel • Other Features IPS Panel, HDR Super w/ Dolby Vision™, Tru Black Panel, Quantum Display, Ultra Luminance, 4K Upscale. Connect a USB storage device (USB HDD, USB Flash Drive) to the USB port on the TV to enjoy the content files stored on the USB storage device on your TV. Tips for Using a USB storage device A USB storage device that has a built-in automatic recognition program or uses its own driver might not be recognizable. Some USB storage devices may not be supported or may not work properly.

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If you use a USB extension cable, the USB storage device may not be recognized or may not work properly. Please use only USB storage devices formatted with the FAT32 or NTFS file system provided by Windows OS. It is recommended that you use an external USB HDD with a rated voltage of 5V or less and a rated current of 500 mA or less. It is recommended that you use a USB hub or hard disk drive with a power supply. (If the power supplied is not sufficient, the USB storage device may not be detected properly.) It is recommended that you use a USB flash drive of 32 GB or less or a USB HDD of 2 TB or less.

If a USB HDD with power-saving function does not work, turn the hard drive off and on again to make it work properly. See the owner's manual for the USB HDD for more information. Data on a USB storage device may be damaged, so it is recommended that you back up any important files. Users are responsible for data management. The manufacturer bears no responsibility.

Select the connected USB from Inputs and select the Eject button to disconnect the USB storage device. If you disconnect the USB storage device without selecting Eject, an error may occur in your TV or storage device. You can open Inputs by selecting HOME > Input > All Inputs. For more information on other connection methods, go to HOME > Device Connector. Select the connected USB from Inputs and select the Format button to format the USB storage device. After format, all the data of USB storage device will be deleted and formatted as NTFS or FAT32 file system. When connecting a USB storage device, a random file/folder can be created to provide Smart TV services such as the saving and retrieving of thumbnail images.