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OLED 4K C5 55″ (2025)

LG OLED55C5AUA

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

Screen
55″
Resolution
4K
Year
2025
Line
OLED
System
webOS 25

Does the OLED55C5AUA work with RemotApp?

Yes. The OLED55C5AUA runs webOS 25, 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 OLED55C5AUA 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. C5Series (2025 line) · OLED
  4. AVersion / finish
  5. UAMarket code · United States

OLED55C5AUA specifications

Display

Display diagonal139.7 cm (55")
HD type4K Ultra HD
Display technologyOLED evo
Screen shapeFlat
Native aspect ratio16:9
Response time0.1 ms
Motion interpolation technologyOLED Motion
Native refresh rate120 Hz
Display resolution3840 x 2160 pixels
Display diagonal (metric)139.7 cm

TV tuner

Tuner typeAnalog & digital
Analog signal format systemATSC

Smart TV

Smart TVYes
Internet TVYes
Operating system installedWebOS
Operating system version25
Apple AirPlay 2 supportYes

Audio

Audio output channels2.0 channels
Audio decodersDolby Atmos, Dolby Digital
Sound modesAI Sound Pro, Clear Voice Pro
TV Sound Mode ShareYes
Enhanced Audio Return Channel (eARC)Yes

Network

Wi-FiYes
Wi-Fi standardsWi-Fi 6E (802.11ax)
BluetoothYes
Bluetooth version5.3
Ethernet LANYes
Web browserYes

Design

Product colourBlack
Introduction year2025

Performance

High Dynamic Range (HDR) technologyDynamic Tone Mapping PRO, Filmmaker Mode, High Dynamic Range 10 (HDR10), Dolby Vision, 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 Pro
High Dynamic Range (HDR) supportedYes
AMD FreeSyncYes
AMD FreeSync typeFreeSync
NVIDIA G-SYNCYes
NVIDIA G-SYNC typeG-SYNC
Game featuresAuto Low Latency Mode (ALLM), Variable Refresh Rate (VRR)
WiSA ReadyYes
Multi ViewYes
Smartphone/tablet remote supportYes

Ports & interfaces

Ethernet LAN (RJ-45) ports1
USB 2.0 ports quantity3
Digital audio optical out1
RS-232C ports1
RF ports quantity1
HDMI ports quantity4
Consumer Electronics Control (CEC)SimpLink

Management features

Works with Amazon AlexaYes

Power

Power consumption (typical)133.1 W
Power consumption (standby)0.5 W
AC input voltage120 V
AC input frequency50/60 Hz

Brand-specific features

LG technologies (AV/TV)Bluetooth Surround Ready, LG Channels, LG Sound Sync, Magic Remote Control, ThinQ™, WOW Orchestra

Weight & dimensions

Width (with stand)1221 mm
Depth (with stand)231.1 mm
Height (with stand)756.9 mm
Weight (with stand)16 kg
Width (without stand)1221 mm
Depth (without stand)45.7 mm
Height (without stand)703.5 mm
Weight (without stand)14.1 kg
Stand width47 cm

Packaging data

Package width1419 mm
Package depth187.9 mm
Package height835.6 mm
Package weight22.2 kg
Package typeBox

Packaging content

Mounting kitYes
Mounting kit typeWall mount
Cables includedAC
Remote control includedYes

Other features

Country of originMexico
Warranty period1 year(s)

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

How to control the OLED55C5AUA 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 OLED55C5AUA 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:

  • OLED55C5PSA Latin America
  • OLED55C5ESA Latin America
  • OLED55C5PSA Latin America
  • OLED55C5PUA United States

Questions about the OLED55C5AUA

Can I control the LG OLED55C5AUA with my phone?

Yes. The OLED55C5AUA runs webOS 25, and RemotApp controls it over Wi-Fi with no setup beyond accepting the connection on the TV once.

What year is the LG OLED55C5AUA?

The OLED55C5AUA is part of LG’s 2025 line (OLED C5).

What operating system does the OLED55C5AUA use?

The OLED55C5AUA runs webOS 25.

How many HDMI ports does the OLED55C5AUA have?

The OLED55C5AUA has 4 HDMI ports.

Does the OLED55C5AUA have Bluetooth?

Yes

Turning the OLED55C5AUA 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.