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OLED 4K C4 42″ (2024)

LG OLED42C4AUA

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

Screen
42″
Resolution
4K
Year
2024
Line
OLED
System
webOS 24

Does the OLED42C4AUA work with RemotApp?

Yes. The OLED42C4AUA 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 OLED42C4AUA means

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

  1. OLEDPanel technology · OLED
  2. 42Screen size in inches
  3. C4Series (2024 line) · OLED
  4. AVersion / finish
  5. UAMarket code · United States

OLED42C4AUA specifications

Display

Display diagonal106.7 cm (42")
HD type4K Ultra HD
Display technologyOLED
Screen shapeFlat
Motion interpolation technologyOLED Motion
Native refresh rate120 Hz
Display resolution3840 x 2160 pixels
Display diagonal (metric)106.6 cm
Colour gamut standardDCI-P3

TV tuner

Analog signal format systemATSC
Digital signal format systemQAM

Smart TV

Smart TVYes
Internet TVYes
Operating system installedWebOS
Operating system versionwebOS 24
Apple AirPlay 2 supportYes
Smart modesMovie, Music, Sports
Video appsAmazon Prime Video, Apple TV, Disney+, HBO Max, Netflix, YouTube

Audio

Audio output channels2.0 channels
Audio decodersDTS:X, Dolby Atmos
Sound modesAI Sound Pro, Clear Voice Pro
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
VESA mountingYes
Panel mounting interface300 x 200 mm

Performance

High Dynamic Range (HDR) technologyDolby Vision, High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG)
Audio formats supportedAAC, AC3, AC4, EAC3, HE-AAC, MP2, MP3, PCM, WMA, apt-X
AI UpscaleYes
Backlight dimming technologyPixel Dimming
Picture processing technologyLG AI Picture
Picture processorα9 Gen 7 AI processor 4K
High Dynamic Range (HDR) supportedYes
AMD FreeSyncYes
AMD FreeSync typeFreeSync
NVIDIA G-SYNCYes
NVIDIA G-SYNC typeG-SYNC
Game featuresAuto Low Latency Mode (ALLM), Game Optimizer, Variable Refresh Rate (VRR)
WiSA ReadyYes
4K Ultra HD upscalingYes
Multi ViewYes
Smartphone/tablet remote supportYes

Ports & interfaces

Audio Return Channel (ARC)Yes
Ethernet LAN (RJ-45) ports1
USB 2.0 ports quantity3
RS-232 ports1
RF ports quantity1
HDMI ports quantity4
Consumer Electronics Control (CEC)SimpLink

Management features

Voice controlYes
Works with Amazon AlexaYes
Works with the Google AssistantYes

Power

Power consumption (typical)80 W
Power consumption (standby)0.5 W
Energy consumption (HDR) per 1000 hours149 kWh
AC input voltage120 V
AC input frequency50/60 Hz

Brand-specific features

LG technologies (AV/TV)AI Sound Pro, AI Super Upscaling 4K, Bluetooth Surround Ready, DTS:X®, Dolby Atmos®, Dolby Vision™, Dynamic Tone Mapping Pro, Filmmaker Mode™, LG Channels, LG Sound Sync, Magic Remote Control, Perfect black, ThinQ™, Works With Apple HomeKit, Works With Google Assistant, Works with Amazon Alexa

Weight & dimensions

Width (with stand)932.1 mm
Depth (with stand)170.1 mm
Height (with stand)576.5 mm
Weight (with stand)10.1 kg
Width (without stand)932.1 mm
Depth (without stand)40.6 mm
Height (without stand)541 mm
Weight (without stand)9.8 kg
Stand width71.9 cm

Packaging data

Quick start guideYes
Package width1120.1 mm
Package depth152.3 mm
Package height660.4 mm
Package weight12.9 kg

Packaging content

Desktop standYes
Cables includedAC
Remote control includedYes
Remote control typeMagic Remote Control
E-manualYes

Other features

HGiG modeYes
Intelligent Voice RecognitionYes
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 OLED42C4AUA 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 OLED42C4AUA 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.

Also sold as

Same TV, different market codes:

  • OLED42C4PSA Latin America
  • OLED42C4PSA Latin America
  • OLED42C4PUA United States

Questions about the OLED42C4AUA

Can I control the LG OLED42C4AUA with my phone?

Yes. The OLED42C4AUA 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 OLED42C4AUA?

The OLED42C4AUA is part of LG’s 2024 line (OLED C4).

What operating system does the OLED42C4AUA use?

The OLED42C4AUA runs webOS 24.

How many HDMI ports does the OLED42C4AUA have?

The OLED42C4AUA has 4 HDMI ports.

Does the OLED42C4AUA have Bluetooth?

Yes

Turning the OLED42C4AUA 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.