Skip to Content Skip to Accessibility Help
About Cookies on This Site

We use cookies, including cookies from third parties, to enhance your user experience and the effectiveness of our marketing activities. These cookies are performance, analytics and advertising cookies, please see our Privacy and Cookie policy for further information. If you agree to all of our cookies select “Accept all” or select “Cookie Settings” to see which cookies we use and choose which ones you would like to accept.

Cookies Setting
Absolutely Necessary Cookies
These are cookies that are absolutely essential to running a website. This category of cookies cannot be disabled.
Functional Cookies
These cookies are used to provide you with convenient functions, such as product reviews and product video playback, during your web browsing, they also enable interaction with social media accounts.
Social media
Connect with your social channels to share LG Technology with friends for example on Facebook and Twitter.
Analytics Cookies
These cookies allow our website to keep improving functions through website traffic analysis and to suggest personalized content for you.
Advertising Cookies
These cookies enable us to show you ads and other content that we think is most attuned to your interests and digital behavior.
LG Smart 4K UHD TV 55 inch

Specs

Reviews

Support

LG Smart 4K UHD TV 55 inch

55UK6400

LG Smart 4K UHD TV 55 inch

(4)
Print

All Spec

DISPLAY & PICTURE QUALITY -

  • Screen Type (OLED/LED)

    LED/LCD

  • Screen size (Inch/cm)

    55" (139cm)

  • Resolution

    3840 x 2160

  • Field Refresh Rate (Hz)

    100

  • HDR10 - High Dynamic Range¹

    Yes

  • HLG (Hybrid Log Gamma)²

    Yes

  • Backlight Type

    Edge

  • Local Dimming

    Yes

  • ULTRA Luminance

    Yes

  • Screen Design

    Flat

  • Picture Modes

    9 (Vivid, Standard, APS, Cinema, Cricket, Game, HDR Effect, ISF Bright Room, ISF Dark Room)

  • HDR Picture Modes

    5 (Vivid, Standard, Cinema Home, Cinema, Game)

  • Colour Bit Depth

    8-bit

  • HDR Effect

    Yes

  • Processor

    Quad Core

  • Tuner

    DVB-T2/C/S2 (UHF & Satellite Tuner)

  • Resolution Upscaling³

    4K Upscaler

CONVENIENCE FEATURES -

  • Magic Remote

    Yes

  • Intelligent Voice Control⁴

    Yes

  • EPG (SI - 8 days)

    Yes

  • User Guide (Built-in)

    Yes

  • Time Machine Compatible⁵

    Yes

  • Time Shift

    Yes

  • Universal Remote Feature⁶

    Yes

  • USB Video Playback Formats

    ASF/WMV/AVI (Xvid, H.264/AVC)/ MP4/M4v/MOV (H.264, H.265, MPEG-4, HEVC)/ MKV (MPEG-2, MPEG-4, H.264, H.265, VP8, VP9, HEVC) SHVC/TS/TRP/TP/MTS/MPG/3GP/3G2 MPEG/DAT/VOB/HEVC (Up to 4096x2160p@60p 50Mbps)

  • USB Music Playback Formats

    MP3/WAV/WMA/OGG/FLAC

  • USB Photo Playback Formats

    JPEG/PNG/BMP

  • Magic Zoom

    Yes

  • Simplink (HDMI CEC)

    Yes

SMART TV FEATURES -

  • ThinQ⁷

    Yes

  • Smart TV Operating System

    webOS Smart TV

  • Wi-Fi Built-In

    Yes (802.11ac)

  • 4K UHD Streaming

    Yes

  • Web Browser⁸

    Yes

  • Freeview On Demand (HbbTV)9

    Yes

  • Netflix¹⁰

    Yes

  • Netflix Recommended TV

    Yes

  • My Channels

    Yes

SMART SHARE -

  • Network File Browser

    Yes

  • Miracast¹²

    Yes

  • Smartphone Remote App¹³

    LG TV Plus

AUDIO FEATURES -

  • Audio Output

    20W

  • Speaker System

    Stereo (2 x Full-range)

  • Audio Decoder

    EAC3, HE-AAC, AAC, MP2, MP3, PCM, DTS, DTS-HD, DTS Express, WMA, apt-X, ADPCM, LPCM, MPEG-1, Dolby Digital, Dolby Digital Plus

  • Virtual Surround

    DTS Vitrual:X

  • Bluetooth Headphone Compatible

    Yes (BT V4.2+)

  • Clear Voice

    Clear Voice III

  • Sound Modes

    6 (Standard, Cinema, Clear Voice III, Cricket, Music, Game)

  • Adaptive Sound Control

    Yes

  • Bluetooth Audio Playback

    Yes

  • Sound Sync Wireless (LG TV)¹⁴

    Yes

  • Audio Return Channel (ARC)¹⁵

    Yes (HDMI 2)

CONNECTIONS -

  • HDMI¹⁶

    Yes (3)

  • USB 2.0

    Yes (2)

  • RF Antenna Input

    Yes (1)

  • Component/Composite Input

    Yes (Phone Jack Type - Shared Audio)

  • Digital (Optical) Audio Output

    Yes (1)

  • LAN Port

    Yes (1)

DIMENSIONS/REGULATORY -

  • TV with Stand (WxDxH)

    1247mm x 259mm x 785mm

  • TV without Stand (WxDxH)

    1247mm x 88.6mm x 729mm

  • Net Weight with Stand (kg)

    15

  • Net Weight without Stand (kg)

    13.7

  • Carton (WxDxH)

    1360mm x 190mm x 860mm

  • Gross Weight of Carton (kg)

    20

  • VESA size

    300 x 300

  • Energy Star Rating

    5 Stars

WARRANTY -

  • Warranty Period

    1 Year Warranty - Parts and Labour

What people are saying