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OLED 4K B5 55″ (2025)

LG OLED55B5AUA

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 OLED55B5AUA work with RemotApp?

Yes. The OLED55B5AUA 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 OLED55B5AUA 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. B5Series (2025 line) · OLED
  4. AVersion / finish
  5. UAMarket code · United States

OLED55B5AUA specifications

Display

Display diagonal139.7 cm (55")
HD type4K Ultra HD
Display technologyOLED
Screen shapeFlat
Native aspect ratio16:9
Motion interpolation technologyOLED Motion
Native refresh rate120 Hz
Display resolution3840 x 2160 pixels

TV tuner

Tuner typeAnalog & digital
Digital signal format systemATSC, QAM

Smart TV

Smart TVYes
Internet TVYes
Operating system installedWebOS
Operating system version25
Screen mirroringYes
Apple AirPlay 2 supportYes
Smart modesFilmmaker, Game
App distribution platformLG Apps
Video appsAmazon Prime Video, Apple TV, Disney+, Netflix, YouTube

Audio

Number of speakers2
Audio output channels2.0 channels
Audio decodersDolby 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 6E (802.11ax)
BluetoothYes
Bluetooth version5.3
Ethernet LANYes
BrowsingYes
Web browserYes

Design

Product colourBlack
VESA mountingYes
Panel mounting interface300 x 200 mm
Introduction year2025
Stand typeLegs stand
Stand colourBlack

Performance

High Dynamic Range (HDR) technologyDolby Vision, High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG)
Game modeYes
Audio formats supportedAAC, AC3, AC4, EAC3, HE-AAC, MP2, MP3, PCM, WMA, apt-X
AI UpscaleYes
Backlight dimming technologyPixel Dimming
Picture processorα8 Gen 2 AI Processor 4K
High Dynamic Range (HDR) supportedYes
AMD FreeSyncYes
AMD FreeSync typeFreeSync
NVIDIA G-SYNCYes
NVIDIA G-SYNC typeG-SYNC Compatible
Game featuresAuto Low Latency Mode (ALLM), Game Optimizer, HGiG, Variable Refresh Rate (VRR)
WiSA ReadyYes
Multi ViewYes
Smartphone/tablet remote supportYes

Ports & interfaces

PC in (D-Sub)No
Ethernet LAN (RJ-45) ports1
USB 2.0 ports quantity2
Digital audio optical out1
RS-232C ports1
RF ports quantity1
HDMI ports quantity4
Consumer Electronics Control (CEC)SimpLink

Management features

Voice controlYes
Firmware upgradeableYes
Works with Amazon AlexaYes
Works with the Google AssistantYes

Power

Power consumption (standby)0.5 W
Power consumption (max)110.9 W
AC input voltage120 V
AC input frequency50/60 Hz

Brand-specific features

LG technologies (AV/TV)AI Super Upscaling 4K, Dynamic Tone Mapping Pro, LG Sound Sync, ThinQ™

Sustainability

Sustainability certificatesENERGY STAR

Weight & dimensions

Width (with stand)1226.8 mm
Depth (with stand)236.2 mm
Height (with stand)772.1 mm
Weight (with stand)14.5 kg
Width (without stand)1226.8 mm
Depth (without stand)45.7 mm
Height (without stand)708.6 mm
Weight (without stand)14.3 kg
Stand width105.7 cm

Packaging data

Package width1358.9 mm
Package depth172.7 mm
Package height810.2 mm
Package weight19.5 kg

Packaging content

Desktop standYes
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 OLED55B5AUA 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 OLED55B5AUA 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:

  • OLED55B5PSA Latin America
  • OLED55B5PSA Latin America
  • OLED55B5PUA United States

Questions about the OLED55B5AUA

Can I control the LG OLED55B5AUA with my phone?

Yes. The OLED55B5AUA 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 OLED55B5AUA?

The OLED55B5AUA is part of LG’s 2025 line (OLED B5).

What operating system does the OLED55B5AUA use?

The OLED55B5AUA runs webOS 25.

How many HDMI ports does the OLED55B5AUA have?

The OLED55B5AUA has 4 HDMI ports.

Does the OLED55B5AUA have Bluetooth?

Yes

Turning the OLED55B5AUA 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.