To properly experience our LG.com website, you will need to use an alternate browser or upgrade to a newer version of internet Explorer (IE9 or greater).

The LG.com website utilizes responsive design to provide convenient experience that conforms to your devices screen size. In order to get the best possible experience our LG.COM website please follow below instructions.

If you’re using Internet Explorer 8 or earlier, you will need to use an alternate browser such as Firefox or Chrome or upgrade to a newer version of internet Explorer (IE9 or greater).

If you’re using Internet Explorer 9 and higher, turn off your Internet Explorer browser’s “Compatibility View settings” by following steps below:

  • Right click at the top of your browser and make sure the “Menu Bar” option is selected
  • Select “Tools” from the menu bar and then select “Compatibility View settings”
  • In the pop-up menu uncheck all three boxes and click “Close”
  • Your browser window will automatically refresh and you’ll be ready to go
Skip to Contents Skip to Accessibility Help

4K UHD Smart LED TV - 49" Class (48.5" Diag)

  • 49UF6400

Key Features

  • IPS 4K UHD Display
  • Tru-4K Up-scaler
  • webOS 2.0 Smart TV
  • ENERGY STAR® Qualified
AVAILABLE SIZES:


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.

4K Up-scaler

Enjoy the benefits of 4K resolution right now: LG's 4K Up-scaler uses multi-step data analysis that enhances the detail of everything you watch--HD or SD--to near-4K quality, giving you the superior viewing experience you expect from an 4K UHD HD TV.

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.

  • Quickly Switch to any Content

    Switch back and forth between apps, movies and TV shows with a quick, nimble new interface. With the Launcher and Live Menu at your command, whatever you want is accessible at any time.

  • Discover New Entertainment

    Find what you want to watch instantly, all in one place. Live TV broadcasts, video streaming services, and the latest apps.

  • Easy Setup

    LG webOS 2.0 was designed to make every aspect of your entertainment experience easy, right from the initial setup to connecting external devices.

Use your Smartphone to Control Your TV

The LG remote control has gone mobile, via a free Android/iOS app that allows you to control your TV using your touch screen Smartphone.

ENERGY STAR® Qualified

Earning the ENERGY STAR® means a product meets stringent energy efficiency requirements set by the US Environmental Protection Agency. ENERGY STAR® certified televisions are on average, 27 percent more energy efficient than conventional models, saving energy in all usage modes: sleep, idle and on.

SUMMARY
Diagonal Class 49 inches
Diagonal Size 48.5 inches
Resolution 3840 x 2160
Display Type LED
Display Format 4K UHD 2160p
HDMI Port(s) 2
Other Input(s) 1 USB 2.0, 1 RF in (Antenna/Cable), 1 Component Video In, 1 Composite In (AV) - shared w/Component, 1 Optical Output, 1 LAN
Smart TV Operating System webOS 2.0
Refresh Rate TruMotion 120Hz
Speaker System 2 Channel
Other Features Tru-4K Engine, Dolby Digital Decoder, Clear Voice II
PICTURE QUALITY
IPS Panel Yes
Refresh Rate TruMotion 120Hz
ULTRA HD (3840x2160) Yes
Tru-4K Engine Yes
4K UHD File Playback Yes (HEVC, VP9)
Just Scan (1:1 Pixel Matching) Yes
Real Cinema 24p 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, MPEG, MP3, PCM
INPUTS / OUTPUTS
RF in (Antenna/Cable) 1 (Rear)
Component Video In 1 (Rear)
Composite In (AV) 1 (Shared w/Component)
Optical Output 1 (Rear)
HDMI® 2 (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 300 x 300
DIMENSIONS / WEIGHT
TV without Stand (WxHxD) 43.6" x 25.9" x 3.2"
TV with Stand (WxHxD) 43.6" x 27.4" x 8.2"
TV Shipping Dimensions (WxHxD) 47.1” x 31.1” x 6”
TV without Stand Weight 25.6 lbs
TV with Stand Weight 26.2 lbs
Shipping Weight 33.5 lbs
WARRANTY / UPC
Limited Warranty 1 Year Parts & Labor
UPC 719192596696

What People Are Saying

Rated 5 out of 5 by from Great features I'm still playing with all the different features this TV has, amazing!!!
Date published: 2017-09-23
Rated 5 out of 5 by from Great product, picture and quality! I have owned it for 3+ years never had any issues its a great product and has great picture quality not to mention some really nice features and apps and a pretty fast built in web. Browser overall just a great quality product and easy to use and setup.
Date published: 2017-09-22
Rated 5 out of 5 by from Best Picture for the Price!!! This has veen one of my favorite electronics purchases ever. We have LG phones, and the ability to download the App has made it super easy to control our TV, access Netflix, or search the web, and all without hunting down a remote, or getting up! My 4 yr old spilled Chocolate milk on the remote a few weeks after the purchase and ruined it. The App saved us a lot of trouble. Now we're ready to purchase our next phones. Its between Iphone8 and LGs latest model... But the compatibility of the LG products has made it tough to leave android.
Date published: 2017-09-22
Rated 5 out of 5 by from we have had the tv for over a year and have had no problems. It is a great product. features are great ind easy to use
Date published: 2017-09-22
Rated 5 out of 5 by from LG #1 of 4 Love my LG TV's. I just wish this one had a magic remote like my others do. It's a pain to use the up and down buttons to key in data for the smart tv apps. Other than that --- it's awesome.
Date published: 2017-09-22
Rated 1 out of 5 by from Broken after a year and a half Bought this 18 months ago and picture is flickering now, of course started just after warranty expired. Basically junk, do not buy!
Date published: 2017-09-10
Rated 4 out of 5 by from Very good features and picture. Purchased 12/18/2016. Took awhile to understand how to access settings. Would not function with just HDMI Cable. Had to purchase an Ethernet Cable.
Date published: 2017-01-02
Rated 1 out of 5 by from 14 months and a very expensive paperweight Piece of junk. Worked fine for 14 months (just past warranty). Now no picture and no audio. Done with LG. You get what you pay for. Cheap product...shame on me. Don't waste your money!!!!
Date published: 2016-12-18
  • y_2017, m_10, d_18, h_20
  • bvseo_bulk, prod_bvrr, vn_bulk_2.0.3
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_29
  • loc_en_US, sid_MD05213601, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_lg
  • bvseo_sdk, java_sdk, bvseo-2.3.0.0
  • CLOUD, getReviews, 4ms
  • REVIEWS, PRODUCT

We're here to support you with our product.

View 49UF6400 Product Support

Contact us for any support inquiries.

ASK & ANSWER

Ask your questions. Share your answers.
Please first review the detailed product information and help guides in the Product Support section for this product prior to posting a question.

Does this tv have blue tooth capabilities?

Asked by: jmcbug44
The LG 4K UHD Smart LED TV - 49" Class (48.5" Diag), Model # does not have Bluetooth capability...^IFV
Answered by: LGJoel
Date published: 2017-10-02

Does this tv have built in freeview please? 

Asked by: Sarahjane04
Freeview is the United Kingdom's digital terrestrial television platform. It is operated by DTV Services Ltd, a joint venture between the BBC, ITV, Channel 4, Sky and transmitter operator Arqiva. The LG 4K UHD Smart LED TV - 49" Class (48.5" Diag), Model # 49UF6400 is designed for compatibility with the Television Broadcast standards used in the U.S. and is not compatible with Freeview...^IFV
Answered by: LGJoel
Date published: 2017-09-18

how can I do a factory reset on an LG 43UF6400 TV? My picture is "scrambled" - will a rest fix it?

Asked by: anch
Press the SETTINGS gear button, located to the left of the UP directional arrow button. Scroll down to the ADVANCED button which will bring up the detailed SETTINGS menu. Locate the GENERAL SETTINGS sub-menu, which should contain the INITIAL SETTINGS function. This should reset the TV to its factory specifications
Answered by: NeilE
Date published: 2017-08-23

Does this TV have HDMI ARC capabilities? I'm looking at a home audio system that requires that functionality to perform properly. Please advise ASAP!

Asked by: mkh2539
The LG 4K UHD Smart LED TV - 49" Class (48.5" Diag), Model # 49UF6400 heatures an HDMI ARC port on it (HDMI 2). It is labeled as 'ARC'...^IFV
Answered by: LGJoel
Date published: 2017-10-13

Hi, the tv is stuck on the "LG" screen. How do I reset? Thanks. 

Asked by: RiKim
Press the SETTINGS gear button, located to the left of the UP directional arrow button. Scroll down to the ADVANCED button which will bring up the detailed SETTINGS menu. Locate the GENERAL SETTINGS sub-menu, which should contain the INITIAL SETTINGS function. This should reset the TV to its factory specifications. If this does not correct the issue, please contact us at 800-243-0000 for further assistance.
Answered by: NeilE
Date published: 2017-07-26

How much do u think to fix a broken screen of the uf6400 ultra HD TV 4k roughly

Asked by: Martyfuture21
Our offices, in the United States, do not have product information for Canada. In order to obtain such information, it is recommended to check our subsidiary’s website, at http://www.lg.com/ca_en/index.jsp. You may also contact our Canada offices at 1-888-542-2623.
Answered by: NeilE
Date published: 2017-07-20

Which webcams work

Asked by: Jcsi
The ENERGY STAR® Qualified LG 4K UHD Smart LED TV - 49" Class (48.5" Diag), Model # 49UF6400 is not compatible with webcams...^IFV
Answered by: LGJoel
Date published: 2017-05-24

My 49UF6400 is 16 months old and when I try to turn it on, I get sound, but no picture. I can't access any menus and no images appear at all. I see someone else had this issue recently as well, any suggestions?

Asked by: DS35
We regret the inconvenience you have experienced with this television and its operations. Check the VIDEO cables attached for any damages or loose connections. If this does not resolve the matter, then the TV will likely require service. To make service arrangements, you may either contact our Customer Interactive Center at 800-243-0000, or you can check our Repair Provider Lookup on our website, at http://www.lg.com/us/support/repair/support-repair-provider-lookup.jsp.
Answered by: NeilE
Date published: 2017-05-03
  • y_2017, m_10, d_18, h_20CST
  • bvseo_bulk, prod_bvqa, vn_bulk_2.0.3
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_75
  • loc_en_US, sid_MD05213601, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_lg
  • bvseo_sdk, java_sdk, bvseo-2.3.0.0
  • CLOUD, getContent, 5ms
  • QUESTIONS, PRODUCT