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OLED 4K C9 55″ (2019)

LG OLED55C9AUA

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

Screen
55″
Resolution
4K
Year
2019
Line
OLED
System
webOS 4.5

Does the OLED55C9AUA work with RemotApp?

Yes. The OLED55C9AUA runs webOS 4.5, 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 OLED55C9AUA means

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

  1. OLEDPanel technology · OLED
  2. 55Screen size in inches
  3. C9Series (2019 line) · OLED
  4. AVersion / finish
  5. UAMarket code · United States

OLED55C9AUA specifications

Display

Display diagonal139.7 cm (55")
HD type4K Ultra HD
Display technologyOLED
Screen shapeFlat
Native aspect ratio16:9
Display resolution3840 x 2160 pixels

TV tuner

Tuner typeDigital
Digital signal format systemATSC, Clear QAM

Smart TV

Smart TVYes
Operating system installedWebOS
Operating system version4.5

Audio

Number of speakers2
RMS rated power40 W
Audio output channels2.2 channels
Audio decodersDTS-HD, Dolby Atmos
WooferYes
Enhanced Audio Return Channel (eARC)Yes

Network

Wi-FiYes
Wi-Fi standardsWi-Fi 5 (802.11ac)
BluetoothYes
Bluetooth version5.0
Web browserYes

Design

Product colourBlack
VESA mountingYes
Panel mounting interface300 x 300 mm
Introduction year2019

Performance

High Dynamic Range (HDR) technologyCinema HDR, Dolby Vision, Dynamic Tone Mapping PRO, High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG)
Backlight dimming technologyPixel Dimming
Picture processing technologyLG Ultra Luminance Pro
Noise reductionYes
High Dynamic Range (HDR) supportedYes
WiSA ReadyYes

Ports & interfaces

Audio Return Channel (ARC)Yes
HDCPYes
HDCP version2.2
PC in (D-Sub)No
Ethernet LAN (RJ-45) ports1
USB 2.0 ports quantity3
Composite video in1
Digital audio optical out1
RS-232C ports1
RF ports quantity1
HDMI ports quantity4
Consumer Electronics Control (CEC)SimpLink

Management features

Works with Amazon AlexaYes
Works with the Google AssistantYes

Power

Power consumption (standby)0.5 W
Power consumption (max)109.3 W
AC input voltage120 V
AC input frequency50/60 Hz

Brand-specific features

LG technologies (AV/TV)LG Content Store, LG Sound Sync, Magic Remote Control, Perfect black, ThinQ™

Technical details

Processorα9 Gen 2 Intelligent

Weight & dimensions

Width (with stand)1228 mm
Depth (with stand)251 mm
Height (with stand)738 mm
Weight (with stand)23 kg
Width (without stand)1228 mm
Depth (without stand)706 mm
Height (without stand)46.9 mm
Weight (without stand)18.9 kg
Stand width99.8 cm

Packaging data

Quick start guideYes
Package width1345 mm
Package depth207 mm
Package height810 mm
Package weight28.3 kg
Package typeBox

Packaging content

Desktop standYes
Cables includedAC
Remote control includedYes
Remote control typeRemote Magic Remote
E-manualYes

Other features

Intelligent Voice RecognitionYes
Annual energy consumption202 kWh
Google applicationsGoogle Home

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

How to control the OLED55C9AUA 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 OLED55C9AUA 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:

  • OLED55C9PSA Latin America
  • OLED55C9PUA United States
  • OLED55C9PUA United States

Questions about the OLED55C9AUA

Can I control the LG OLED55C9AUA with my phone?

Yes. The OLED55C9AUA runs webOS 4.5, and RemotApp controls it over Wi-Fi with no setup beyond accepting the connection on the TV once.

What year is the LG OLED55C9AUA?

The OLED55C9AUA is part of LG’s 2019 line (OLED C9).

What operating system does the OLED55C9AUA use?

The OLED55C9AUA runs webOS 4.5.

How many HDMI ports does the OLED55C9AUA have?

The OLED55C9AUA has 4 HDMI ports.

Does the OLED55C9AUA have Bluetooth?

Yes

Turning the OLED55C9AUA 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.