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2.4 | 24 Reviews

4K UHD Smart LED TV - 55" Class (54.6" Diag)

LG 55UF6450

Features

  • Consistent 4K picture quality at wide viewing angles
  • Upgrade everything you watch to near-4K quality
  • Enjoy your Smart TV even simpler and faster
  • ENERGY STAR® Qualified

Quick Specs

  • Type: 50 - 59 LED-LCD TV
  • Width: 48 4/5"
  • Height: 28.4"
  • Depth: 2 1/5"
  • Energy Star Rated: No
  • Screen Size: 55"
  • Max Resolution: 4K

See More

 
4K Picture Quality at Wide Viewing Angles

One of the secrets behind LG TVs' outstanding 4K UHD performance is the specially designed display panel. IPS 4K delivers true colors that remain more consistent at wide viewing angles, with four times the resolution of Full HD. With IPS 4K, any seat can be the best in the house.


LG Smart TV with webOS 2.0

LG Smart TV with webOS 2.0 has been redesigned to be simpler and more fun to use. Just sit back, relax, and let webOS 2.0 help you find exactly what you want to watch.


ENERGY STAR® QUALIFIED

Earning the ENERGY STAR® means a product meets strict energy efficiency guidelines set by the US Environmental Protection Agency and the Department of Energy. ENERGY STAR® certified televisions are on average, over 24 percent more energy efficient than conventional models, saving energy in all usage modes: sleep, idle and on.

Features

  • Consistent 4K picture quality at wide viewing angles
  • Upgrade everything you watch to near-4K quality
  • Enjoy your Smart TV even simpler and faster
  • ENERGY STAR® Qualified
SUMMARY
Screen Size 55"
PICTURE QUALITY
IPS Panel Yes
ULTRA HD (3840x2160) Yes
Refresh Rate TruMotion 120Hz
Tru-4K Engine Yes
Tru-4K Upscaler Yes
Just Scan (1:1 Pixel Matching) Yes
Real Cinema 24p Yes
4K UHD File Playback Yes
SMART TV
webOS webOS 2.0
Processor Quad Core
LG Content Store (App Store) Yes
Web Browser Yes
SMART SHARE
Screen Share Yes
Content Share Yes
AUDIO
Speaker System 2 Channel
Output Power 20W
Mono/Stereo/Dual (MTS/SAP) Yes
Dolby® Digital Decoder Yes
DTS Decoder Yes
Clear Voice II Yes
CONNECTIVITY
Wi-Fi® Direct Yes
Wi-Fi® Built-In Yes
SIMPLINK (HDMI CEC) Yes
USB
Video DivX HD
Photo JPEG
Audio AC3 (Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, DTS, RA, WMA
INPUTS
RF in (Antenna/Cable) 1 (Rear)
Component Video In 1 (Rear)
Composite In (AV) 1 (Shared w/Component)
Optical 1 (Rear)
HDMI® 3 (Rear)
USB 3.0/2.0 0 / 1 (Side)
LAN 1 (Rear)
POWER
ENERGY STAR® Qualified Yes
Power Supply (Voltage, Hz) 100V ~ 240V, 50/60 Hz
Standby Mode 0.3W
WALL MOUNT
VESA 300x300
DIMENSIONS / WEIGHT
TV without Stand (WxHxD) 48.8" x 28.4" x 2.2"
TV with Stand (WxHxD) 48.8" x 30.4" x 9.3"
TV Shipping Dimensions (WxHxD) 52.4" x 31.9" x 5.6"
TV without Stand weight 39.2 lbs
TV with Stand weight 39.9 lbs
Shipping Weight 48.9 lbs
WARRANTY / UPC
Limited Warranty 1 Year Parts & Labor
UPC 719192601987

Quick Specs


  • Appearance

  • Type: 50 - 59 LED-LCD TV

  • Dimensions

  • Width: 48 4/5"
  • Height: 28.4"
  • Depth: 2 1/5"

  • Features

  • Energy Star Rated: No

  • Size

  • Screen Size: 55"

  • Panel

  • Max Resolution: 4K

Interactive Tour

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Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

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. 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.

2.4 out of 5

33% of reviewers recommend this product.

3 Stars

Disney+

Ditch90 2/22/2020

I havent been able to find Disney+ app? Why? And will there be one?
Originally posted on lg.com

No, I do not recommend this product

Features

 

Quality

 

Value

 
1 Stars

TV turns on but

Haywire 2/10/2020

The TV turns on but nothing can be displayed. None of the buttons other than the on off on the remote seem to work. I tried new batteries with no effect. Since there are no buttons other than on off on the TV itself I have no way of testing the TV to determine whether or not the remote is good. What would you recommend?
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

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4 Stars

Question on HDMI inputs

HUGO84 12/17/2019

I tried finding this on my own but I could not find it online. What HDMI version is each input 12 and 3. Example HDMI version 2.1 or lower? The TV is great. I bought it before HDR was standard so I cannot blame the product for not having it. The quality has been great and still works perfect to this day. Easy to use VIVID mode and turning on rich/deep color option feels comparable to HDR to me anyways.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

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4 Stars

Late to the party

Omnimanx1 12/7/2019

I am a bit late on my review but that may be for the best as I have had this TV for many years now and over 20000 hours of operation. We have absolutely loved our Smart TV ever since we got it home. The picture quality is simply but amazing. We use this in our Master Bedroom and have an antenna hooked up for OTA and a Roku for streaming. Not that there was something wrong with the streaming options but we wanted to utilize the voice options of the Roku. This has worked great Recently we started to go full forced toward a smart home. Lights Echos Plugs and thermostat. When we did this we found out that our TV was just a bit too old to work with Alexa as the WEB OS was not updated to 4.0+ on the TV nor did LG plan on updating WEB OS. Since it was an older version LG ThinQ is not available in the apps. I was pretty disappointed but totally understood. The older TVs hardware would not likely support newer WEB OS. With that said I am giving this 4 stars. If the remote was a bit more user friendly like a roku remote it would have gotten a 5 star easy I hope this helps anyone that may be considering buying a used one :
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

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4 Stars

Great TV

Nursedavid 12/5/2019

Have had this TV for some years now has never had a problem with it. Its my second LG TV. Happy with the quality and performance of it.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

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1 Stars

LG 55UF6450

Kim Peterson 12/1/2019

I bought this and box said that you get HULA . I set it up and YOU DONT GET THE PROGRAMS IT SAYS YOU DO ON THE BOX
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

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5 Stars

Njredbarron 8/20/2019

i got this TvYears ago it was the best it went yesterday. iT will be missed I hope my next L g will be as good
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
2 Stars

Video Board dead just over warranty

RevCoachG 5/7/2019

One week after the one year warranty expired the video board died. Even worse this model has been discontinued. Absolutely frustrating. Not sure I will ever buy another LG product. Wondering how LG can help. Maybe they will see this. Until then Im not talking highly of LG products.
Originally posted on lg.com

No, I do not recommend this product

Features

 

Quality

 

Value

 
1 Stars

WiFi Doesnt last long

Loudmad 3/25/2019

After 1 year of using it tv started not to stay contacted to the WiFi network.
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

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1 Stars

Short lifespan

WillinNJ 3/4/2019

Read the recent reviews They echoed my experience where the tv died after less than 3 years and it was rarely used - once every 2 months or so. Poor QC. My other LCD tv from 8 years ago is still going strong.
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

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2 Stars

Dissapointing

Nelsonjyspd 2/6/2019

I bought this about 3yrs ago and the the tv jumps offline while my other smart devices have no issue. Using the remote to pull up the smart menu or to change inputs...hdmi1 or hdmi2 it doesnt respond. I have replaced batteries with still the same result. Please help because I like ly tvs... have two older 42in models with no issue..one 720p and 1 1080p smart that are over 7yrs old and no problems. Again please help.
Originally posted on lg.com

No, I do not recommend this product

Features

 

Quality

 

Value

 
4 Stars

Nice

Kenny optimist 2/2/2019

So far so good no issues since purcased.except for the remote control which the buttons got depressed.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

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5 Stars

wonderful amazing and great tv

CstrifeH 12/27/2018

I bought this tv 2 years ago placed it in my Semi for entertainment and to play my PlayStation 4. when i am parked for the night it has taken the beating of the road i have this tv mounted in my truck and it is still going strong love this tv love the way it handles and the way it holds together when i am driving i have not had any problems with it and it has been through two semis and about roughly 300000 thousand miles it stays in my truck all the time and i love this tv may upgrade to a bigger size will only stay with lg have a another brand in the house and it will be gone replacing it with LG so i can have 2 lgs in the house and one in the truck glad and happy for this product will recommend this brand of tvs to all my friends
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

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1 Stars

LG usually is great but this TV sucks

richr31 12/19/2018

After 3 years my 55UF6450 powers up and wont go beyond the LG title screen. Sad sad sad.
Originally posted on lg.com

No, I do not recommend this product

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Quality

 

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1 Stars

never again

Bob15 11/30/2018

bought this tv 2 yrs ago and mother board went which I guess is very popular. Now I got nothing but snow. No parts available to fix and when they are its just as expensive as a new tv.
Originally posted on lg.com

No, I do not recommend this product

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Quality

 

Value

 
1 Stars

Very bad investment

Jay jay 2018 11/26/2018

Picture reproduction is so bad. Wifi keep on and off and remote doesnt support magick remote. What a total waste of money.
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

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5 Stars

Love this TV

CW23 11/2/2018

I bought this about a year ago and dont have any regrets Ultra HD 4k VERY clear and great sound Its also smart Connects to my phone and laptop wireless Light for being 55 Ive had it on a tv stand and also had it hung looks great both ways Love it
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

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1 Stars

Screen went out right after warranty

moyerj26 11/1/2018

Will never buy a LG tv again... Lasted just long enough to get out of warranty.
Originally posted on lg.com

No, I do not recommend this product

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1 Stars

Tried everything

kickserve 8/3/2018

I found one reviewer that described this TVs picture as Washed Out. That is the best way to describe it. Out of the box it was dark or faded. Tried Vivid mode but it was too bright. Set it to factory default used a half dozen setting recommendation by other owners and it was absolutely awful I have two other TV that out this TV to shame. I sold this TV for a loss and the replacement non LG was absolutely perfect out of the box. What a relief to get rid of this TV
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

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1 Stars

DO NOT BUY

addsdt 7/11/2018

worked fine for a little over a year of course after warranty expired then one day we had sound but static picture was told it would cost as much as tv to fix will NEVER buy another LG product again
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

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1 Stars

Screen has double or wont turn on

Adamstv 6/13/2018

Half of the screen wont turn of and the other half it has double vision. Wouldnt recommend it to anyone.
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

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1 Stars

HDMI bug

double r 6/5/2018

We have problems with this tv when we switch to watch Netflix or Amazon via the Smart TV function and then try to go back to any HDMI port that the satellite box is connected to. The TV loses the ability to recognize that there is a signal in the HDMI port. The ports are fine because if you remove the cable and then plug it back into the tv the picture returns. Very inconvenient for a 4K TV of a major brand to have this type of issue. Always bought LG tvs in the past but our next purchases will be another brand.
Originally posted on lg.com

No, I do not recommend this product

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3 Stars

Very disappointed

Steveo6883 6/4/2018

Im very disappointed. Ive heard people raving about watching 4k but I have never been able to get 4k content to play on this tv even though I have all the required equipment. Even the apps from the tv itself wont play uhd 4k content. Extremely frustrating as Ive never considered 4k a worthy upgrade because of this tv.
Originally posted on lg.com

No, I do not recommend this product

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4 Stars

Love this TV even though

Bigred34 5/19/2018

Love this TV even though it does not have HDR it does however have the deeper darker color settings. TV is overall a great TV sounds amazing to me but was upset when I found out it did not have HDR almost all the TVs that I was looking at for 4K said that they came with standard HDR built-in. Up until just recently I thought my TV did have HDR and was at least a little bit disappointed to find out it does not the picture though is amazingly clear and I still really do love this TV just wish all 4K TVs did have the HDR service
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

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Value