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UHD 4K UF6400 43″ (2015)

LG 43UF6400

Full specifications, official manuals and how to use your phone as the remote for this LG TV.

Screen
43″
Resolution
4K
Year
2015
Line
UHD
System
webOS 2.0

Does the 43UF6400 work with RemotApp?

Yes. The 43UF6400 runs webOS 2.0, and RemotApp controls it over Wi-Fi with no setup beyond accepting the connection on the TV once.

  • Remote over Wi-Fi Yes
  • Infrared (Android with IR) Yes
  • Send photos and videos Yes
  • Turn on from the phone No

Protocol: LG webOS (SSAP 3000/3001)

What the code 43UF6400 means

TV model codes follow the maker’s naming rules. Reading it piece by piece:

  1. 43Screen size in inches
  2. UF6400Series (2015 line) · UHD

43UF6400 specifications

Display

Display diagonal109.2 cm (43")
HD type4K Ultra HD
Display technologyLED
LED backlighting typeDirect-LED
Screen shapeFlat
Native aspect ratio16:9
Screen format adjustments4:3, 14:9, Auto, Zoom
Supported video modes2160i
Motion interpolation technologyPMI (Picture Mastering Index) 900
Native refresh rate60 Hz
Display refresh rates supported120 Hz
Display resolution3840 x 2160 pixels

TV tuner

Tuner typeAnalog & digital
Analog signal format systemNTSC M, PAL DK, PAL I
Digital signal format systemDMB-T

Smart TV

Smart TVYes
Operating system installedWebOS
Operating system version2.0
Screen mirroringYes
Smart modesEnergy saving

Audio

Number of speakers2
RMS rated power20 W
Audio decodersDolby Digital, DTS, Dolby Digital AC3
Sound modesMovie, Sports, Standard

Network

Wi-FiYes
Ethernet LANYes
Wi-Fi DirectYes
MiracastYes

Design

Product colourBlack
VESA mountingYes
Panel mounting interface200 x 200 mm

Performance

Audio formats supportedAAC, AC3, EAC3, HE-AAC, MP2, MP3, PCM, RA-Lossless, WMA
Image formats supportedJPG
Noise reductionYes
24p supportYes
Processor cores4
Smartphone/tablet remote supportYes

Ports & interfaces

HDMI version1.4
PC in (D-Sub)No
DVI portNo
Ethernet LAN (RJ-45) ports1
USB 2.0 ports quantity1
Component video (YPbPr/YCbCr) in1
Composite video in1
Digital audio optical out1
RF ports quantity1
Common interface (CI)No
Common interface Plus (CI+)No
HDMI ports quantity2
Consumer Electronics Control (CEC)SimpLink
Intel® Wireless Display (Intel® WiDi)Yes

Management features

Voice controlYes
On Screen Display (OSD)Yes
Number of OSD languages2
On Screen Display (OSD) languagesSimplified Chinese, English

Power

Power consumption (standby)0.3 W
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz

Sustainability

Sustainability certificatesENERGY STAR

Weight & dimensions

Width (with stand)976 mm
Depth (with stand)208.7 mm
Height (with stand)621 mm
Weight (with stand)9.3 kg
Width (without stand)976 mm
Depth (without stand)81.5 mm
Height (without stand)583 mm
Weight (without stand)9 kg

Packaging content

Remote control includedYes

Other features

Motion controlYes
Built-in speaker(s)Yes
Digital Living Network Alliance (DLNA) certifiedYes

Technical data: Open Icecat and the manufacturer. Check the official page before buying; specs can vary by batch and market.

How to control the 43UF6400 with your phone

  1. Connect your phone to the same Wi-Fi network as the TV. (Not the guest network.)
  2. Turn the TV on and install RemotApp on your phone.
  3. Open RemotApp. It finds the TVs on your network by itself; tap your LG TV.
  4. The TV shows a connection request from RemotApp. Select “Accept”.
  5. Tap Volume + to test. That’s it: your phone is now the remote.

Full guide for LG TVs, with fixes when it won’t connect

Questions about the 43UF6400

Can I control the LG 43UF6400 with my phone?

Yes. The 43UF6400 runs webOS 2.0, and RemotApp controls it over Wi-Fi with no setup beyond accepting the connection on the TV once.

What year is the LG 43UF6400?

The 43UF6400 is part of LG’s 2015 line (UHD UF6400).

What operating system does the 43UF6400 use?

The 43UF6400 runs webOS 2.0.

How many HDMI ports does the 43UF6400 have?

The 43UF6400 has 2 HDMI ports.