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LG NanoCell 90 Series 2021 55 inch 4K Smart UHD TV w/ AI ThinQ® (54.6" Diag)

Model # 55NANO90UPA

 4.7 out of 5 (23 Reviews)

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Every Color Crystal Clear

LG NanoCell TV utilizes nanoparticles, our own distinctive Nano technology, to filter and refine color, removing impurities from RGB wavelengths. This means that only pure, accurate colors will be displayed on screen. The result is a more vibrant, more realistic picture that will bring your content to life.

Crystal-Clear Images Driven by a Powerful Processor

Catch every detail with the smooth, crisp picture brought to you by our 7 Gen4 AI Processor. It adjusts your viewing and audio settings automatically with AI Picture and AI Sound, while AI 4K Upscaling authentically calibrates every scene.

Making your picture even better

Get more cinematic visuals with the help of AI Picture. LG NanoCell TVs factor in source and genre, enhancing faces for more realism.

Sound made better

Our advanced processor proactively upscales audio settings for a more immersive viewing experience. LG NanoCell TVs automatically recognize genres and optmize the sounds - all before you've settled into your favorite spot on the couch.

Bring Cinema Home

Get breathtaking picture and audio that makes you feel like you're in the action with Cinema HDR, Dolby Vision IQ & Dolby Atmos. See movies exactly how directors intended with Filmmaker Mode. And with built-in access to Netflix, Prime Video, Apple TV+, Disney+ and LG channels, your favorite content is at your fingertips.

A transformative TV experience

Dolby Vision IQ* uses best-in-class HDR technology to automatically adjust picture settings based 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.

Home to all your favorites

Access the Netflix, Disney+, Apple TV app, and Amazon prime video. Choose From the latest movies, TV shows, documentaries, and live sports, and find them all in one place.

See the director's vision come to life

See exactly 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.

Wonder From Every Angle

LG NanoCell TVs ensure that colors are displayed accurately for a realistic picture even when viewed from wide angles.

TV with an IQ

Control your LG smart products and other smart devices right from your TV with Home Screen or with the Magic Remote voice control. ThinQ AI plus Google Assistant and Alexa built-in let you control your entire connected home.

Entertainment access, now even easier

The newly designed home screen shows personalized content suggestions, gives you easier access to favorites, and lets you control connected devices all in one place.

Find your favorites fast

Spend more time watching with the new Magic Remote. With point, click and scroll, voice control and button shortcuts for content providers, you'll find your content faster than ever before.

Your central hub of convenience

LG NanoCell TVs come with Google Assistant* and Alexa** built in. There's no need for an extra device - just ask your TV for music, weather, news, your Amazon shopping list, and more. Plus, conveniently control your connected home and smart devices.

TV with an Artistic Side

Designed with home aesthetics in mind and a sleek, minimalist look. It's a TV that hangs snug on your wall like a work of art to maximize your space.

Nano Sport. Match Winning Performance.

LG NanoCell TV delivers a thrilling match-day experience. Bluetooth Surround Sound brings the full stadium atmosphere into your home, while Sports Alerts keep you up-to-date with all the latest news from your favorite teams.

Never miss your team's games

When your favorite team is on, you'll know. With Sports Alert, you can set your favorite teams and players and get updates before, during and after games - even when you're watching other content.

Instant surround sound via Bluetooth®

Wireless surround sound has never been easier. Connect any single compatible Bluetooth speaker or up to two speakers*, including LG XBOOM Speakers, for a true surround sound experience - without wires.

Nano Gaming. TV with a Ton of XP.

Experience gaming on NanoCell. Game Optimizer gives you easier access to all your game settings and you'll get Auto Low-Latency Mode plus HGiG for a detailed gaming picture.

Level up to smooth gaming

Gameplay goes even further with Game Optimizer which gives you easier access to all your game settings.

Equipped for peak performance

Play to a higher standard. LG NanoCell TV supports AMD FreeSync™ Premium to deliver variable refresh rates during gameplay. This significantly reduces stuttering and tearing for clearer and smoother gameplay.

Play at the highest standard

Get an edge on opponents. VRR, ALLM, and eARC meet the latest HDMI 2.1 specifications to allow fast-moving content in higher resolution and smooth, synchronized graphics.

WiSA Ready - Easily enhance your home cinema.

Connecting high-fidelity speakers is easy - and wireless*- with WiSA connectivity. Enjoy high-quality and immersive surround sound. 2.1 Channel support only.


  • Real 4K NanoCell Display w/ Full Array Dimming
  • 7 Gen4 AI Processor 4K w/ AI Picture & AI Sound
  • Dolby Vision IQ & Dolby Atmos
  • Built-in access to Netflix, Prime Video, Apple TV+, Disney+ & LG Channels
  • LG ThinQ AI w/ Magic Remote
Display Type Real 4K NanoCell Display
Display Resolution 4K Ultra HD (3,840 x 2,160)
Wide Viewing Angle Yes (IPS Technology)
Backlight Type Slim Direct
Backlight Dimming Technology Full Array Dimming
Nano Color Yes
Billion Rich Colors Yes*
100% Color Consistency Yes
Picture Processor 7 Gen 4 Processor 4K
AI Picture Yes
Auto Genre Selection Yes (Dolby HDR Only)
Upscaling AI 4K Upscaling
Refresh Rate TruMotion 240 (120Hz Native)
Motion NanoCell Motion
AI Sound Yes
TV Sound Mode Share Yes
Bluetooth Surround Ready Yes
HDR Cinema HDR (Dolby Vision, HDR10, HLG)
Dolby Vision IQ Yes
Filmmaker Mode Yes
Magic Explorer Yes
Next Picks Yes
Game Optimizer Yes
FreeSync Premium™ Yes
VRR (Variable Refresh Rate) Yes
ALLM (Auto Low Latency Mode) Yes
HGiG Yes
Operating System webOS
Content Partners Netflix, Prime Video, Disney+, Apple TV, Hulu, Paramount+, Peacock, Youtube TV, Spotify, iHeartRadio and more
LG Content Store (App Store) Yes
Full Web Browser Yes
LG Channels Yes
Sports Alert Yes
Gallery Mode Yes
Who.Where.What? Yes
Home Dashboard Yes
Works With Google Assistant, Alexa, Apple Airplay2 and Homekit (Separate device purchase necessary)
LG ThinQ® AI Yes
Magic Remote Control Yes (Point, Click, Scroll, Voice)
Universal Remote Control Yes (Auto Device Detection)
Voice Assistants Google and Alexa Built-in (No separate device purchase necessary)
Intelligent Voice Recognition Yes
Speaker System 2.2 Channel
Output Power 40W
Speaker Direction Down Firing
Dolby Atmos Yes
WiSA Ready Yes (Separate Dongle Purchase Required) *Up to 2.1 Channel
Audio Codec AC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X (refer to manual)
LG Sound Sync Yes
Wi-Fi® Standard Wi-Fi Certified 802.11ac
Bluetooth® Support Version 5.0
IP Control Yes
HDMI-CEC (Simplink) Yes
TV Tuner ATSC, Clear QAM
Smart Phone Connectivity Yes
HDMI Input (HDCP 2.2) 4 (side)
Latest HDMI (4K @ 120Hz) HDMI 3,4
HDMI Audio Return Channel (ARC) eARC (HDMI 3)
USB Ports (v 2.0) 2 (rear) / 1 (side)
RF Connection Input (Antenna/Cable) 1 (rear, RF)
Ethernet Input 1 (rear)
RS-232C Input (Mini Jack) 1 (rear)
Digital Audio Output (Optical) 1 (side)
Power Supply (Voltage, Hz) AC 100~240V 50-60Hz
Standby Power Consumption Under 0.5W
Power Consumption 86.6W
Annual Power Consumption 161kWh/y
TV Dimensions with Stand (WxHxD) 48.5" x 30.7" x 10.1"
TV Dimensions without Stand (WxHxD) 48.5" x 28.2" x 1.8"
Packaging Dimensions (WxHxD) 55.9" x 32.9" x 7.4"
Stand Width 43.5"
TV Weight with Stand 40.6 lbs
TV Weight without Stand 39.7 lbs
Packaging Weight 49.8 lbs
VESA Mounting (W x H) 300 x 300
UPC 195174005866
Remote Magic Remote
Remote Control Battery Yes (AA)
Power Cable Yes
Quick Start Guide Yes
E-Manual Yes
Limited Warranty Please see Support tab for full details on the limited warranty
* Billion Rich Colors achieved via Dithering.
2021 Model Yes

Extended warranties are usually very inexpensive and can save you thousands in the future. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Electronics can be large, heavy, and expensive and you probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new electronics should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.

We would be happy to coordinate delivery and installation for you. Call the store for details.

Questions or Comments?
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out of 5 (23 Reviews)

95% of reviewers recommend this product.

So many features love it .

Submitted by Debbie10 - 10/12/2021

I bought this beautiful tv 2 weeks ago . Im a senior and have had no trouble learning to to run it . Lots of features loads of channels beautiful picture and my Tampa Bay buccaneers games look wonderful . The remote it the best Love it and thank you
Originally posted on

Yes, I recommend this product

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A well priced very good quality TV

Submitted by KerryO - 9/23/2021

Ive had the TV for only a couple of weeks now and it is definitely a very high quality unit There is definitely a lot to learn about all the capabilities of this tv though so be patient
Originally posted on

Yes, I recommend this product

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Amazing picture

Submitted by hunter21 - 9/22/2021

I bought this tv to have a display that would work complimentary to my playstation 5 and the tv out performed my expectations. The picture is phenomenal and the settings are so user friendly.
Originally posted on

Yes, I recommend this product

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Good TV with apps

Submitted by Ksdog317 - 9/21/2021

Look no further if you need a tv with a bunch of smart apps and free tv on certain channels. Its a good TV however I wish the brightness was a little brighter as the display seems a little dim on a partly sunny day facing away from the windows.
Originally posted on

Yes, I recommend this product

Upgrade for master bedroom

Submitted by Jakester23693 - 9/18/2021

Bought to replace an old 42LED LG TV. Definitely a good upgrade. Not to the level of the LG OLED Evo I have in the den but a very nice TV loaded with features and worth the 1000 dollar price tag. Definitely recommended.
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Yes, I recommend this product

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Submitted by David In Maryland - 9/3/2021

I already had an LG 4K 65 TV in my family room. I had bought it about 4 years ago. So I thought I knew what to expect. I was wrong This new TV is brighter sharper and has much more vivid colors.
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Yes, I recommend this product

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Love this TV

Submitted by JMa1 - 8/22/2021

I bought this TV earlier this month. I just love it from the setup to the quality of the picture and sound. The remote control is amazing. It was very easy to set up clear instructions and fast. This is my first LG TV it wont be my last.
Originally posted on

Yes, I recommend this product

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Simply amazing

Submitted by jarrodl1000 - 8/20/2021

I received this product at a discounted price in exchange for an honest review even so the tv is amazing The picture and sound cant be beat It was all quick and easy to set up the magic controller makes it even easier. The clarity is outstanding its great to have it all set up an ready to use for Netflix or anything else Lg didnt skimp the colors are amazing its so bright an vibrant. Its great to play any console games on as well They definitely got it right
Originally posted on

Yes, I recommend this product

Beautiful Resolution

Submitted by FrannieG - 8/14/2021

We purchased this 55 Nanocell TV a few weeks ago. The picture is so sharp it seems like the actors are in the room with you. The set up was fairly easy and the remote had a lot of great features. We also liked the fact that the screen has a protective cover.
Originally posted on

Yes, I recommend this product

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A frigging DUD

Submitted by engine - 8/12/2021

Purchased today and returned today The unit would not turn on at all Followed support instructions to power off hold power button then power on to no avail. The pain to unpack repack and return sucks. Quality is most definitely the issue
Originally posted on

No, I do not recommend this product

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Exceedingly Awesome

Submitted by Julesinos - 8/11/2021

My son had this TV set up in less than 10 minutes. Compared to my last TV this one is far superior especially the technology it has The picture is super clear and life like. I have it hooked up to my LG soundbar now but even before the sound was excellent The remote has so many functions its somewhat daunting at first but the more you use it the more I absolutely love it Im sure this TV has alot of functions I have not even found yet What I do love is the builtin apps. You can go directly to Netflix Hulu Disney and Apple etc. Which eliminates another remote. The reason I only gave it 4 stars has nothing to do with the quality of this TV it is the fact that it does not have the HBO app . I find this frustrating that I must use another source for this. Maybe in the future they will include HBO. The biggest endorsement I can give is both my teenage sons love this TV They are super impressed I actually got something this nice and cool I was given a discount on this product for my honest opinion.
Originally posted on

Yes, I recommend this product

i love this so much

Submitted by kassi0586 - 8/11/2021

I got the LG 55 OLED55A1PUA TV at a discounted price in exchange for my honest review. one thing I loved so much was how easy it was to set this all up. it was so fast and easy. The colors are so bright and beautiful. the sound is really good and i got the sound bar with it but isnt necessary because the sound is so good in my opinion. i had a smaller tv set up before this one so this one is such an improvement. I am so happy that i got this one. It is easy to figure out how to operate without even looking at the directions. i love that it has the voice activated remote feature. my smaller kids can easily search up their favorites on youtube or whatever when they please without help. i love that it has the netflix and disney+ buttons on the remote for even more ease which also helps with little kids and makes it faster too. i am just so in love with this tv and cant say enough good things about it.
Originally posted on

Yes, I recommend this product

Lg wow

Submitted by Ryncody13 - 8/9/2021

The new lg tvs are just as beautiful as some of the most expensive lg tvs on the market. I received my TV at a discounted rate for my fair and honest review. The lg tv has game mode included that allows you to tune your TV to your perfect gaming experience. The 120 refresh rate is a thing if beauty playing fps games . The bezels on the lg tvs are so thin it looks like tgere is none when hanging on the wall. Some of the best features are the screen quality the new magic remote redesign is a great welcome. Several hdmi ports are a handy commodity in the new days of everything tech. The thickness has been dialed down a bit on these models as well. Loving my new lg TV.
Originally posted on

Yes, I recommend this product

Great features picture and sound.

Submitted by WayneandDoris2016 - 8/4/2021

We love this TV We decided to cut the cable cord when we purchased this TV. It has a great picture and sound. You can fine time it to suit your preferences. The LG channels along with the apps available with internet and an antenna gives us plenty of channels without a cable subscription. TV is easy to connect and makes a beautiful edition to any room of the house. We highly recommend this TV.
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Yes, I recommend this product

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Its perfect

Submitted by Deandrenichole - 8/2/2021

This LG nanocell TV is truly amazing. This TV offers a beautiful picture quality its almost unreal at times. My family and I use the TV for movie nights and gaming. I tried it with an Xbox and a PlayStation. Its perfect for families that love gaming. The feature I enjoyed the most was the in TV apps. Everything is in one place. The LG SP2 sound bar was a breeze to pair with the TV I didnt even have to use the instruction manual. I tried it without the sound bar first. It had amazing sound quality. But with the sound bar it was like sitting in a movie theater. I also enjoyed the built-in Alexa and the Apple airplay. Overall I would definitely recommend this TV. Its all around perfection. I received this LG TV and sound bar at a discounted price in exchange for my honest review.
Originally posted on

Yes, I recommend this product

Learned the Hard Way that You Get What You Pay For

Submitted by Justbarb - 8/1/2021

I am delighted with this wonderful intelligent giving machine. I had to fight for this model being they seem to sell out quickly. It was worth the wait. I have a total entertainment center that two 70 year old ladys were able to unpack and get set up on its stand within 20 minutes. Now I just sit back and point and click. Here are two examples of what I get to view comfortably in my reclining chair. Im very happy.
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Yes, I recommend this product

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Super clear and crisp display

Submitted by Grace66 - 7/30/2021

I love this LG 55 OLED55A1PUA TV with SP2 Soundbar which I received at a discounted price in exchange for my honest opinion. The TV installation was wall mount and pairing with SP2 was done via optical connection and was easy and had clear instructions. The TV was light enough for one person to hook onto wall mount. It is mainly used to play movies on the TV using my phone and using AirPlay. I also use the browser daily to connect to my favorite Live News channels. The TV is also integrated with our Google home app and can switch it off remotely. Playing both TV and sound have no echo and sounds loud and clear. The magic mouse on remote makes things much easier specific browsing and entering text. The picture is super sharp and all interactive scrolling is fast.
Originally posted on

Yes, I recommend this product

Best picture for the money

Submitted by bigbobby50 - 7/27/2021

Hands down the absolute best picture quality available in a 55 screen. Its thin footprint leaves plenty of room for a sound bar atop of the stand. A Five Star product
Originally posted on

Yes, I recommend this product

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Great TV

Submitted by Deevasquez - 7/22/2021

I received the LG 55 OLED55A1PUA TV and SP2 Soundbar at a discounted price in exchange for my opinion on the product. I decided to set this up in bedroom and I could not be happier. This is one of the smartest TVs Ive ever seen. It is very user friendly and has ton of Apps. I feel that I no longer need cable just a good internet connection to take off The sound and picture is magnificent much louder than my other TV and clear. The picture is absolutely AMAZING Very easy to mount on the wall because its not bulky or heavy. The remote is very modern and very user friendly. The mouse feature is wonderful. I really enjoyed all the pre-programmed channels on the TV. It was very easy to get popular items like Netflix and Amazon video up and running quickly. The LG SP9YA Soundbar is great Connecting it to the TV was simple and fast The sound is very good. I would buy it again
Originally posted on

Yes, I recommend this product

Great Picture

Submitted by TJC2 - 7/10/2021

Ive been using my 55 inch 4G LG Smart TV set for about three weeks and I am very pleased with the picture quality. I had compared this TV with others in Consumer Reports before purchasing. Besides the good rating and their recommendation to purchase their statement that the picture could be seen well from the sides rather than just directly in front was a big reason for my purchase. In wanted a set that I could use in my family room that enabled everyone present to have a good viewing experience. I had a sound bar woofer system that I used with my last set. This TV set allows you to use the sound bar together with the TVs own sound system. That really enhances the sound even though the TVs own speakers work well. I was able to adjust the picture to my own specifications but there is an AI automatic adjustment that works well. I am pleased with this product and look forward to many years of enjoyable viewing
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Yes, I recommend this product

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so far so good

Submitted by owiekat - 7/8/2021

I did a lot of research before finally deciding on this TV. Im glad I did. The picture is amazing. The features on the TV are great. There are a lot of ways for you to make it your own. Even if you youre a gamer. Ive had mine a little less than a month and am still finding things on this TV I didnt realize it did. There are plenty of already loaded apps on it. One surprise for me was how good the sound is with this TV without added speakers. I highly recommend it
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Yes, I recommend this product

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Greatest OLED

Submitted by Ebenvzyl - 7/6/2021

We received the LG 55 OLED55A1PUA TV and SP2 Soundbar combination at a discounted price in exchange for my opinion on the product. The 55 TV is perfect for our mid-sized bedroom and the picture is very clear. We mainly use the TV to play netflix movies and also discovered the Pluto Live TV application with many free channels and movies. We also use it for web browsing and viewing life internet content and movies. One huge addition to the OLED TVs are that they come with a new magic remote the mouse feature is extremely useful when it comes to online interactive browsing. The TV and soundbar is a great combination and improves the standard TV sound and very easy to install out of box.
Originally posted on

Yes, I recommend this product

Limited Smart TV

Submitted by Paolo185 - 6/1/2021

I bought this TV a month ago. As a TV it is great. As a smart TV not so great. I found it when watching YoutubeTV to suddenly jump to Puto TV. The app store that is provided with the smart TV is limited on what can be downloaded. We love the quality of the picture and ability to see the screen from various angles. We are going to add a Roku to the TV for more options vor program viewing.The arrow pointer is more a distraction than a benefit.
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Yes, I recommend this product

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