UHD 4K UT7550 43″ (2024)

LG 43UT7550AUA

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

Screen
43″
Resolution
4K
Year
2024
Line
UHD
System
webOS 24

Does the 43UT7550AUA work with RemotApp?

Yes. The 43UT7550AUA runs webOS 24, 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 Yes

Protocol: LG webOS (SSAP 3000/3001)

What the code 43UT7550AUA means

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

  1. 43Screen size in inches
  2. UT7550Series (2024 line) · UHD
  3. AVersion / finish
  4. UAMarket code · United States

43UT7550AUA specifications

Display

Display diagonal109.2 cm (43")
HD type4K Ultra HD
Screen shapeFlat
Native aspect ratio16:9
Native refresh rate60 Hz
Display resolution3840 x 2160 pixels

TV tuner

Tuner typeAnalog & digital
Digital signal format systemATSC

Smart TV

Smart TVYes
Internet TVYes
Operating system installedWebOS
Operating system version24
Apple AirPlay 2 supportYes
Smart modesFilmmaker
Video appsAmazon Prime Video, Apple TV, Disney+, Netflix, YouTube
Sports appsSports Alerts

Audio

Number of speakers2
Audio output channels2.0 channels
Audio decodersDolby AC3, Dolby AC4
Sound modesClear Voice Pro
Auto volume levellerYes
Speaker directionDown firing
TV Sound Mode ShareYes
Enhanced Audio Return Channel (eARC)Yes

Network

Wi-FiYes
Wi-Fi standardsWi-Fi 5 (802.11ac)
BluetoothYes
Bluetooth version5.1
Ethernet LANYes
Web browserYes

Design

Product colourBlack

Performance

High Dynamic Range (HDR) technologyDynamic Tone Mapping, Filmmaker Mode, High Dynamic Range 10 (HDR10)
Audio formats supportedMP2, MP3, PCM, WMA, apt-X
Picture processorα5 Gen 7 AI Processor 4K
High Dynamic Range (HDR) supportedYes
Game featuresAuto Low Latency Mode (ALLM), Game Optimizer, HGiG

Ports & interfaces

USB 2.0 ports quantity2
HDMI ports quantity3

Management features

Works with Amazon AlexaYes
Works with Apple SiriYes

Power

Power consumption (standby)0.5 W
AC input voltage120 V
AC input frequency50/60 Hz

Brand-specific features

LG technologies (AV/TV)LG Channels, LG Sound Sync, Magic Remote Control, ThinQ™

Packaging content

Cables includedAC
Remote control includedYes
E-manualYes

Other features

Country of originMexico

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

How to control the 43UT7550AUA 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

Turning the 43UT7550AUA on without the remote

Turn on “Mobile TV On” (or “Turn on via Wi-Fi”), usually under Settings › General › Devices. The TV then accepts a wake-up signal from your phone while in standby.

Questions about the 43UT7550AUA

Can I control the LG 43UT7550AUA with my phone?

Yes. The 43UT7550AUA runs webOS 24, and RemotApp controls it over Wi-Fi with no setup beyond accepting the connection on the TV once.

What year is the LG 43UT7550AUA?

The 43UT7550AUA is part of LG’s 2024 line (UHD UT7550).

What operating system does the 43UT7550AUA use?

The 43UT7550AUA runs webOS 24.

How many HDMI ports does the 43UT7550AUA have?

The 43UT7550AUA has 3 HDMI ports.

Does the 43UT7550AUA have Bluetooth?

Yes

Turning the 43UT7550AUA on without the remote

Turn on “Mobile TV On” (or “Turn on via Wi-Fi”), usually under Settings › General › Devices. The TV then accepts a wake-up signal from your phone while in standby.