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

Model # 55UF6450

 3.2 out of 5 (33 Reviews)

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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

From the Manufacturer

Interactive Tour

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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

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.

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

Questions or Comments?
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3.2

out of 5 (33 Reviews)

51% of reviewers recommend this product.

Tried everything

Submitted by 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

No, I do not recommend this product

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DO NOT BUY

Submitted by 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

No, I do not recommend this product

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Screen has double or wont turn on

Submitted by Adamstv - 6/13/2018

Half of the screen wont turn of and the other half it has double vision. Wouldnt recommend it to anyone.

No, I do not recommend this product

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HDMI bug

Submitted by 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.

No, I do not recommend this product

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Very disappointed

Submitted by 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.

No, I do not recommend this product

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Love this TV even though

Submitted by 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

Yes, I recommend this product

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Submitted by Emmag04 - 4/16/2018

The picture quality is awesome and love all the features.

Yes, I recommend this product

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BROKE JUST AFTER WARRANTY

Submitted by Dl131 - 4/8/2018

Was a nice quality t.v. especially for the price but broke just 1 month after warranty expired. Will never buy another lg product again.

No, I do not recommend this product

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We love our lg smart tv

Submitted by Emseebird - 2/3/2018

I love the tv and all its features. I do wish it could cast to my amazon echo without added accessories though.

Yes, I recommend this product

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Highly disappointed no more LG products

Submitted by KaranPrabhu - 12/29/2017

First of all Ive to say that almost all the big appliances in our home are from LG and we trusted it until we had issue with our TV 55UF6450 that we brought 2 years ago used 1+ years. No picture from TV but plain light. Poor service from LG said I have to replace the entire display but later found from local technician that it has issues with mother board too. I regret to the core that I bought this TV

No, I do not recommend this product

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Great Replacement

Submitted by dannyboy541 - 12/26/2017

I purchased this remote as a replacement about a month ago. The original remotes buttons became unresponsive unless buttons were pressed very hard. The new remote works very well and has no issues thus far. Hopefully it lasts longer than the last one only time will tell.

Yes, I recommend this product

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Submitted by IggyGal - 12/18/2017

I finally bought this tv and it the best buy i have done. The black are great but most people dont notice the reds. With most tv reds are orange/red but LG OLED reds are perfectly red.

Yes, I recommend this product

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I love this tv

Submitted by Jcatway73 - 12/13/2017

Ive owned this tv for a few months now and I wouldnt trade it for anything else in its class. I had a Samsung alot like this one but there was some grainy spots in the picture enough that would annoy you while trying to watch it. With this tv every thing I own that hooks up to my Wi-Fi can interact with it. With the LG app you can use your smart phone as a remote with the pointer kinda works like a Wii remote. Pictures are beautiful and clean. Combined with the LG blueray sound system it sounds awesome too. The only thing I could say that i regret is that I should have bought the next size up. Lol

Yes, I recommend this product

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Buyer Beware

Submitted by DQ515 - 12/10/2017

I purchased this TV and the 5 year extended warranty on Feb. 2016 from HHGregg in Augusta Ga. Exactly one year later I started seeing problems with the picture fading out including vertical lines from time to time. The problem was not constant or on a daily basis. Around Sept. 2017 I noticed vertical lines and the problem became more constant and problematic. I contacted the warranty provider and they stated that they could not send out a technician due to vertical lines not being internal. Finally I was able to snap three pictures and take a video of the ongoing problem before a technician came out to verify the problem and state that a panel needed to be replaced. As of today my TV is not working and the panel is not available. As a consumer I am very disappointed in this product and not having a resolution for the amount of money I put into a LG television.

No, I do not recommend this product

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Cant stop the soap opera effect

Submitted by Ddoug - 12/8/2017

Just bought this TV a couple days ago. I think I have to return it. I have tried just about every setting and I cant turn off the soap opera effect. Turned off true motion and turned on movie mode. No matter what I do everything on TV and Netflix looks horribly fake. I cant stand it.

No, I do not recommend this product

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Common problem?

Submitted by TheJohn - 11/14/2017

I bought what I thought was a great TV just over one year ago for my winter home in FL and enjoyed it very much for ~2-3 hours/day during my month-long stay last winter. When I turned on the TV this winter I was surprised to see the screen was split in the middle with the right side completely fuzzy. After adjusting the power setting and connection in vain I checked online and found similar problems reported on the LG website for the same model. I called the customer service but there was no replacement or recall available as the one year warranty had expired. I was referred to a local repair service center but the number was apparently incorrect. I had been happy with LG TVs and still owns a 40 3D model that has been working well for about 5 years. This one is quite a disappointment as it has been used for only about 100 hours. Anything to do with FL weather? Hope this problem is uncommon but I am a little hesitant to replace it with another LG TV.

No, I do not recommend this product

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not able to connect a a wireless headset to it

Submitted by saiB - 11/12/2017

although picture quality and tv is good it doesnt support wireless headphones connection. i dont know why they call it a smart tv.

No, I do not recommend this product

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Great TV I have had it for 2 years and great.

Submitted by Oskk - 11/5/2017

I Bought this tv 2 years ago and it performs great beautiful picture quality and I also use it as my 3rd monitor on my computer.

Yes, I recommend this product

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A wast of money

Submitted by Dissatisfactied2 - 11/2/2017

looks great picture and color pops stopped working after little over a year

No, I do not recommend this product

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1 year Panel broke

Submitted by Zpassmore52 - 11/1/2017

I bough this TV on Black Friday and only had it for about a year and 4 months before the screen split down the middle all black on one half and flashing colors on the other half. Best Buy it replacing it for me with a newer model but unbelievable how fast something went out on it. Poor quality in my opinion.

No, I do not recommend this product

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Apps

Submitted by JohnBelushi - 10/24/2017

Great TV but no Sling TV very annoying. Other than that its very good just a poor choice of apps. They need to realize where the market is going and capitalize. Cable is dying because of apps like Sling Netflix etc. They should follow through with this if they want to stay on top of the industry.

No, I do not recommend this product

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Great features..

Submitted by Jb5150 - 10/21/2017

Had it a month great picture easy to navigate and has great sound. Solid TV

Yes, I recommend this product

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Like a BMW only good until the warranty runs out

Submitted by LiabilityGuaranteed - 10/5/2017

Bought this television for its specs relative to its value. I did not expect this set to last forever however 13 months before rendered completely useless without a mainboard replacement is unacceptable. HDMI VGA smart TV no video only sound comes through without a new mainboard which has proved extremely difficult to find since the company discontinued this model TV. LG is too infatuated with the receipts used to purchase the set rather than providing a solution to resolve the problem. I do not believe in extended warranties however other manufacturers offer longer standard warranties and that is where I will be taking my business for consumer electronics and appliances and I suggest others do the same. 13 months with 10 hours of use per week is completely unacceptable for a new television this day in age.

No, I do not recommend this product

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Easy to use. Good picture.

Submitted by whitewalker6 - 9/25/2017

This TV looks great and has easy to use apps for Netflix and Sling. Makes it easy to watch shows. I am very satisfied with this product.

Yes, I recommend this product

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Fantabulous

Submitted by curly1958 - 9/25/2017

Ive actually been very impressed by this unit. The picture quality is awesome and the sound is excellent. The remote is laid out so well that its easy to read and use. I just love the Smart TV options and having all the different menu items to choose from. I highly recommend this TV to anyone in the market for a 55 big screen.

Yes, I recommend this product

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Beautiful and I love it and everything LG.

Submitted by Brian rollet - 9/23/2017

I will be a LG owner forever. I hope I dont buy anything else. I started with LG cell phone. Then bought a LG55 led tv.

Yes, I recommend this product

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Great tv

Submitted by Disco d - 9/23/2017

I have thoroughly enjoyed this TV I have nothing bad to say about it

Yes, I recommend this product

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Slingtv smart app has serious issues

Submitted by bradf31 - 9/22/2017

We purchased an LG tv solely for the fact that they had a newly formed agreement with SlingTV. We have been slingtv costumers for over a year now and loved it on Roku with our non smart tv. We purchased this new smart LG because it had sling built in and the app hardly works. It constantly buffers and blacks out Espn has sound issues. After contacting SlingTV they have done with they could on their need and said any remaining issues belong with Lg.

No, I do not recommend this product

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Great Picture

Submitted by MNABD - 9/22/2017

I bought this TV a little over 1 year ago and all functions work great. TV was relatively easy to setup and even easier to add cable box and various DVD/VCR players. Best part is the great picture. I have owned several plasma TVs and always thought their pictures would always be superior to any LED TV. This TV has as good or better picture than my plasma TVs.

Yes, I recommend this product

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Love the 4k display

Submitted by Alexb88 - 9/22/2017

Ive had this for about 2 years love the TV and quality of of work is well shown.

Yes, I recommend this product

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LG 4K UHD TV

Submitted by Prashant Gupta - 9/22/2017

I bought this TV almost 2 years back and very happy about its picture quality and performance. I am lucky to get that and convinced about the support and marketing. Thanks

Yes, I recommend this product

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Love the picture.

Submitted by JCviewer - 9/22/2017

Love the picture it is just like being there. My husband is always watching sports and it is great. Would love to be able to put a little memory on it. To stir some apps or more aoace for buffering video but the picture quality makes up for it.

Yes, I recommend this product

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LG 55UF6450 Amazing and Suprising 4K Picture.

Submitted by HighTechOne - 8/23/2017

At first it had some motion blur once I dialed in all the settings. Its the best picture in the house Highly recommend purchase

Yes, I recommend this product

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