LG NanoCell 55" 4K UHD HDR LED webOS Smart TV (55SM8600PUA)

Model Number: 55SM8600PUA
Web Code: 13411507


Delve into an entertainment experience like never before with this LG NanoCell 55" UHD 4K LED Smart TV with HDR. Rich, pure colours, exceptional contrast, seamless action, and cinematic sound immerse you in movies, shows, and sports that are so realistic, it will feel like you are part of every scene. Smart capabilities offer a world of content.
SAVE $200$999.99
SALE ends:
Sold and shipped by Best Buy
Available online
Reserve & Pick Up

This product is currently unavailable for Reserve & Pick Up at nearby stores.

Geek Squad Protection Plan
See Benefits

No Plan


2 Years


3 Years


4 Years


Brilliantly clear, realistic picture

  • 55" Ultra HD 4K LED TV boasts 2160p resolution, 4 times that of Full HD for brilliant clarity and defining details that produce an amazing picture, even up close
  • HDR (high dynamic range) provides a higher level of contrast between light and dark screen images for a truly realistic picture
  • Automatically upscales 1080p HD content to 4K, allowing you to enjoy all your content at the best possible resolution
  • 120Hz refresh rate with TM240 motion enhancement keeps the picture smooth and seamless, even during fast-paced action sequences in movies, TV shows, sports events, and gaming
  • Powered by an a7 Gen 2 processor that intelligently enhances images, action and color

Billions of hues for lifelike images

  • Nano Cell Color absorbs unwanted light wavelengths to enhance the purity of the red and green screen colours
  • Billion Rich Color divides and subdivides colors into a broader spectrum for more precise color adjustment that offers richer colour compared to conventional LCD TVs
  • Local Dimming produces light levels from many independently controlled light zones, enhancing the black levels for better shadow detail, decreased light bleed, greater contrast, and enriched colours for superior life-like imagery
  • Ultra Luminance expands your contrast range with brighter whites and darker blacks by utilizing local dimming technology, lifting the brightest scenes to brilliant new levels and bringing the darkest shadows to life
  • Advanced Colour Enhancer and True Colour Accuracy provides the most realistic spectrum of hues for a lifelike viewing experience

Multiple modes to suit your content

  • Adjust viewing settings to accommodate your content with 10 video modes, including Vivid, Standard, Eco, Cinema, Sports, Game, HDR Effect, Technicolor Expert, (ISF) Expert (Bright Room), and (ISF) Expert (Dark Room)

Envelop yourself in cinematic sound

  • 20W built-in speaker with single-touch sound tuning and AI sound that instantly interprets exactly what you're watching then automatically adjusts the audio output to match the content, so you can enjoy television, movies, and music as it was meant to be experienced
  • Dolby Atmos, Dolby Surround, and OLED Surround immerse you in realistic cinema sound, the way filmmakers intended it to sound
  • Clear Voice III surrounds your senses with audio from all angles, enhancing sound quality by separating voices from background noise to provide you with a clear, crisp listening experience
  • WiSA speakers eliminates cord clutter while delivering super-low latency
  • LG Sound Sync effortlessly connects your home theatre, soundbar, and sound plate to your LG TV wirelessly using Bluetooth technology, minimizing clutter and synchronizing the audio between devices
  • Auto Notification makes it easy to pair Bluetooth-compatible devices to your TV

Expanded entertainment experience

  • webOS Smart TV operating system revolutionizes the way you watch and experience entertainment on your UHD TV with simple and intuitive technology that lets you stream TV, movies, sports, and music services with ease
  • Manage TV functions hands-free with your voice using built-in Google Assistant or also compatible with Amazon Alexa

Component connectivity

  • Wi-Fi, wired internet, and Bluetooth 5.0 connectivity offer a variety of options to pair with compatible devices, such as phones, tablets, external speakers and soundbars, laptops, and more
  • Connect your peripheral home theatre components using the integrated 4 x HDMI 2.0 ports, 1 x coaxial cable input, 1 x A/V composite input, 1 x optical digital audio output, 1 x USB port (back), 2 x USB ports (side), and 1 x RS-232C (Control/SVC) jack
Model Year


Screen Size
55 in
4K Ultra HD
Display Technology
High Dynamic Range (HDR)
Motion Enhancement Technology
Colour Enhancement
Nano Cell Colour; Billion Rich Colour; Local Dimming; Ultra Luminance; Luminance Optimizer for Local Dimming Ⅱ; Advanced Colour Enhancer; True Colour Accuracy
Video Modes
Vivid; Standard; Eco; Cinema; Sports; Game; HDR Effect; Technicolor Expert; (ISF) Expert(Bright Room); (ISF) Expert(Dark Room)
Panel Shape


Audio Enhancement
DOLBY ATMOS; AI Sound; One Touch Sound Tuning; Dolby Surround; OLED Surround; Clear Voice III; WiSA Speakers; LG Sound Sync; Auto Notification (Bluetooth Easy Pairing); Bluetooth Audio Playback
Speaker Output Power


HDMI Inputs
Coaxial Cable Inputs
1 - Back
Optical Digital Audio Outputs
1 - Back
USB Media Port
2 - Back, 1 - Side
Internet Connectivity
Wi-Fi and Wired
Bluetooth 5.0
Other Inputs/Outputs
RS-232C (Control / SVC)
TV Operating System
Voice Control
Voice Assistant Built-In
Google Assistant
Works with Google Assistant
Works with Amazon Alexa
Energy Saving Mode

Dimensions With Stand

Width with Stand
123.2 cm
Height with Stand
78.6 cm
Depth with Stand
26.31 cm
Width with Stand (Inches)
48.5 in
Height with Stand (Inches)
30.94 in
Depth with Stand (Inches)
10.36 in
Weight with Stand
18.7 kg

Dimensions Without Stand

Width without Stand
123.2 cm
Height without Stand
71.6 cm
Depth without Stand
6.36 cm
Width without Stand (Inches)
48.5 in
Height without Stand (Inches)
28.19 in
Depth without Stand (Inches)
2.5 in
Weight without Stand
17.2 kg

  • Súper tv
    by usmcr

    on November 12, 2019

    This is a secondary TV and other than being a smaller screen, it is as excellent as our main tv

    Review originally posted on bestbuy.com

  • Good features, nice picture.
    by Michael11228

    on November 11, 2019

    TV is very nice, picture is good, not great. Features are good but magic remote needs work.

    Review originally posted on lg.com

  • out standing features
    by Oldmanpoppi

    on November 11, 2019

    have the tv for a week and it is the besting I every bought.

    Review originally posted on lg.com

See helpful questions and answers from shoppers like you.

Check our return policy and you'll find specific return information for your product and steps on how to return in-store or by mail.