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LG 55NANO90UPA 55 Inch 4K Smart TV

LG 55NANO90UPA 55 Inch 4K Smart TV
Brand: LG
Category: Smart TV

Our Rating

The overall rating is based on review by our experts

8.9 4.5 1
  • Picture quality 9 / 10
  • Sound quality 9 / 10
  • Overall performance 9 / 10
  • Connectivity 9 / 10
  • Build quality 9 / 10
  • Compatibility 8 / 10
  • Customer support 9 / 10

LG 55″ NanoCell 90 Series 4K HDR Smart TV With AI ThinQ (2021) – 55NANO90UPA


Quick Specs

  • Screen Size (in) : 55
  • Resolution : 4K
  • Refresh Rate : 120Hz
  • Speaker Power : 40W
  • VESA Wall Mount : 300 x 300
  • Number of HDMI Inputs : 4

Key Features

  • 4K Ultra HD (3,840 x 2,160) Resolution
  • Real 4K NanoCell Display
  • Cinema HDR (Dolby Vision, HDR10, HLG)
  • Game Optimizer
  • a7 Gen 4 AI Processor 4K
  • Dolby Atmos
  • TruMotion 240 (120Hz Native)
  • Filmmaker Mode
  • Google Assistant Built-in and Alexa Built-in
  • AI 4K Upscaling
  • Black Finish



Television Type LED
Backlight Type Slim Direct
High Dynamic Range (HDR) Yes
High Dynamic Range (HDR) Type Cinema HDR (Dolby Vision, HDR10, HLG)
Screen Size (in) 55
Outdoor No
Series NanoCell 90 Series
Smart TV Yes
Resolution 4K
Remote Control Type Magic Remote Control
Picture Processor a7 Gen 4 AI Processor 4K
Curved Panel No
Virtual Assistant Google Assistant, Alexa
Refresh Rate 120Hz
Supported Sound Dolby Atmos
Speaker Power 40W
VESA Wall Mount 300 x 300
Built-In WiFi Yes
Bluetooth Yes
Number of HDMI Inputs 4
Number of USB Ports 3
Built-in-Tuner ATSC, Clear QAM
Input Connectors HDMI, RF, Ethernet, RS-232C
Output Connectors Optical
Wall-Mountable Yes
In the Box Magic Remote, Power Cable, Remote Control Battery, Quick Start Guide
Smart Platform webOS
HDMI 2.1 Compatible Yes


Width (in) 48.5
Depth With Stand (in) 10.1
Depth Without Stand (in) 1.8
Stand Width (in) 43.5
Height With Stand (in) 30.7
Height Without Stand (in) 28.2


Unit Weight With Stand (lbs.) 40.6
Unit Weight Without Stand (lbs.) 39.7
Shipping Weight (lbs.) 49.8


LG 55NANO90UPA 55 Inch 4K Smart TV Price in United States


  • There’s no better way to relax than streaming your favorite content. The LG Nano cell 90 series sets the standard for LED picture quality with their Al ThinQ technology and HDR format. Whether you’re watching sports or an action-packed movie, this LG television makes the content look more lifelike. The LG Nano cell 90 series utilizes Nano Color, which offers a wider spectrum of over a billion hues for vivid, realistic color. Dolby Vision IQ and Dolby Atmos provide a transformative TV experience. Dolby Vision IQ automatically adjusts the picture settings based on ambient surroundings and content genre and Dolby Atmos provides a multi-dimensional surround sound experience; together, they produce cinematic results to keep you on the edge of your seat. Save money on costly cable with LG Channels, which provides access to over 180 free channels including sports, movies, and news. LG Channels also offers internet channels and cable television so that you can enjoy both all in one place.

Experience Sports, Movies, & Games in a Whole New Light

  • Never miss the action with Motion Pro Technology. It works by boosting the TV’s screen refresh rate to 60Hz or 120 Hz, thus creating smooth imagery. As a result, you get sharper detail and reduced blur so that you won’t miss the tiniest details in sports plays or action movie sequences. A higher frame rate displays fast-moving content in higher resolution with lifelike detail. Not to mention, this television is an impressive 75″ so you can see everything in precise detail. With ThinQ AI, you can access your LG Nano 90 TV remotely by integrating Amazon Alexa or Google Assistant. If you’re struggling to find something new to watch, ThinQ AI has you covered: this technology is powered by machine learning, which studies your preferences to provide personalized content recommendations. Furthermore, the LG Nano cell 90 series comes with a magic remote with hotkeys to access your favorite streaming services or apps quickly and can connect your mobile device to your TV.


  • See True Color
    See a new level of masterful color handling. Whatever the scene demands, Nano Color delivers. Vibrant, accurate color and a wider spectrum of over a billion rich colors — LG NanoCell TV makes it all possible.
  • Large has never been so thin
    Bigger keeps getting better. Welcome to a screen that’s larger than life designed and engineered to minimize profile and maximize experience.
  • Real 4K Made by True Colors
    NanoCell TV delivers a Real 4K that meets the international standard CM value. Discover the more brilliant and clear visual experience with Real 4K resolution completed by NanoCell Technology.
  • α7 Gen4 AI Processor 4K
  • At the core of LG, NanoCell TV is the α7 Gen4 AI Processor 4K, a groundbreaking chip that uses deep-learning algorithms to analyze and optimize content. Every adjustment to picture and sound is automatic, so everything you watch is spectacular.
  • True Colors Turn Your Home into the Movie Theater
    NanoCell TV makes all scenes real based on the vivid True Colors creates and the intense contrast that Nano Black creates. In addition, it delivers optimized visuals and sound for a spectacular, more lifelike experience. Now enjoy the true home cinema with NanoCell TV, which supports unlimited entertainment.
  • Dolby Vision IQ & Atmos
    Dolby ups the action, driving their best-in-class HDR format to new cinematic heights. Dolby Vision IQ* automatically adjusts picture settings depending on ambient lighting conditions and content genres. Dolby Atmos® puts you in the middle of the action with multi-dimensional surround sound that seems to flow all around you.

    • *Dolby Vision is a trademark of Dolby Laboratories. Dolby, Dolby Atmos and the double-D symbol are registered trademarks of Dolby Laboratories.
    Film buffs can see what directors envisioned. Filmmaker Mode™ is a setting that respects the craft. It translates a director’s cinematic vision to your TV with automatic picture and processor settings and brings true authenticity.

    • *FILMMAKER MODE™ logo is a trademark of UHD Alliance, Inc.
  • HDR10 Pro & HLG Pro
    Automatically elevate the beauty of your favorite scenes. Active HDR supports a wide range of formats for scene-by-scene picture adjustment, including HDR10 and HLG.
  • Full Array Dimming
    See mind-blowing moments in your movies, sports and games. Full Array Local Dimming is a precise level of backlighting control — balancing light for deeper black and enhanced contrast from edge to edge.
  • Apple Airplay 2 and HomeKit
    “Works with” Apple Airplay 2* and Apple HomeKit. Cast entertainment from Apple devices to your TV using Airplay 2, including Apple’s vast library of Dolby Vision™ content. Also use your Apple devices to configure, customize, and control your smart home using HomeKit.

    • *Some features may require 3rd party service subscription.
    • *Apple, the Apple logo, and Apple TV are trademarks of Apple Inc., registered in the U.S. and other countries. Apple TV+ is a trademark of Apple Inc.
  • LG Channels
    LG NanoCell TVs are bringing more entertainment options than ever. LG Channels deliver free access to over 180 IP streaming channels offering movies, shows, breaking news, sports, comedy, and more — integrated alongside over-the-air channels and channel guides.
  • The specs for spectacular gameplay
    LG NanoCell TV gives you a gaming advantage. AI-powered picture quality transports you to the moment. Gaming features and the latest tech, including HGiG, VRR* and FreeSync*, give you an edge with less lag, high refresh rates, and incredibly responsive gameplay.

    • *Included only in Nano90 and Nano85 models.
  • Low Input Lag
    With unbelievably low input lag*, you can see the action in near real-time. Now you have the upper hand — especially with multiplayer games — to respond to the action as it happens and before your rivals know what’s going on.

    • *The input lag data is based on internal testing standards and is subject to change according to the measurement environment or specific device conditions.
  • VRR, ALLM and eARC
    A higher frame rate, VRR (Variable Refresh Rate), ALLM (Auto Low Latency Mode) and eARC (Enhanced Audio Return Channel) all meeting the latest HDMI specifications. These latest features allow fast-moving content in higher resolution and smooth, synchronized graphics. It’s more lifelike gaming experience.

    • *Excludes Nano81 model.
    • **Supports up to 40Gbps bandwidth, allowing up to 4K 120Hz 4:4:4 @ 10 bits per component.
  • AMD FreeSync™ Premium
    See less disruption between your PC and your TV. FreeSync* automatically raises or lowers your TV’s refresh rate to match the source. Avoid tearing, reduce stuttering, and get the best in clear and smooth gaming.
  • VRR (Variable Refresh Rate)
    LG NanoCell TVs keep pace with all the action. Built to take multiple factors into account and match the refresh rate to your source to deliver the best graphics with minimal screen tearing for smoother gameplay and maximum gaming experience.
  • HGiG Profile for HDR Gaming
    High Dynamic Range isn’t just for movies. HDR gaming drops players right into the action for a new level of immersive gaming. LG has joined some of the biggest developers and tech companies in gaming to ensure the best HDR gaming experience.
  • Game Optimizer
    Game Optimizer puts all your game settings in one place. You can also toggle between G-Sync and FreeSync technologies for a smooth gaming experience.
  • See cinema and sports in a new light
    See it. Hear it. Feel it. LG NanoCell TV is your ticket to a stunning picture. Get easy access to Disney+, the Apple TV app, Sling and more. Elevate entertainment with the dimensional sound of Dolby Atmos®*, support for Dolby Vision™, auto picture settings of Filmmaker Mode™ and convenient updates of Sports Alert.

    • *Dolby Atmos included in all models except Nano81.
  • Ultra Large Screen
    With an ultra large screen spanning 75-inches or more NanoCell TV brings the huge stadium straight to your home. See the detailed movements of players as if they are right in front of you.
  • Motion Pro
    Motion Pro is technology you see, but don’t notice. It’s our most advanced motion handling for fast movements in sports and action sequences. Kickoff returns look just as smooth at home as from 50-yard line seats, with less stuttering to slow down the big car chase.
  • Sports Alert keeps you up to date on your favorite teams
    Sports fans have a new way to stay informed. Sports Alert gives updates on your favorite teams, start times, and scores — even while you’re watching other content. Easily switch to games without searching for the channel. NFL, NBA, MLB, NHL, Premier League, and more — it’s all here.

    • *Supported service may differ by country.
  • Bluetooth Surround Ready
    Connecting LG Bluetooth speakers for wireless surround sound has never been easier. Connect up to two speakers, including LG XBoom Speakers, for a true surround sound experience – not a wire in sight.

    • *Connection Available : LG PK7/7W/5/5W, PL7/5, PN7/5, RL3, RM2, RN9/7/5, ON9/7/5.
  • ThinQ AI
    LG NanoCell TVs think fast. Our advanced AI processors drive better pictures and sound. AI powers webOS to offer personalized content recommendations. LG ThinQ® AI technology and integrated voice assistants, like the Google Assistant and Alexa, control compatible connected home devices with ease.

    • *Natural voice recognition is available in English, Korean, German, French, Italian, Spanish, Portuguese, Russian, Polish, Turkish, Japanese, Arabic, Vietnamese, Thai, Swedish, Indonesian, Danish, Dutch, Taiwanese, and Norwegian.
    • **Dutch and Norwegian will be available in the second half of 2020.
    • ***Supported service may differ by country.
  • Magic Remote
    The redesigned Magic Remote is more like a magic wand. The ergonomic design is easy to hold, and its point and scroll system allows faster searching. Built-in AI provides easy access to services, while hotkeys for major content providers give you shortcuts to all your favorites. In addition to all that you now have Magic Tap*, a clever new trick that connects your phone to your TV.

    • *Featured only in 8K models.


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