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UHD 4K UN8570 86″ (2020)

LG 86UN8570AUD

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

Screen
86″
Resolution
4K
Year
2020
Line
UHD
System
webOS 5.0

Does the 86UN8570AUD work with RemotApp?

Yes. The 86UN8570AUD runs webOS 5.0, 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 86UN8570AUD means

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

  1. 86Screen size in inches
  2. UN8570Series (2020 line) · UHD
  3. AUDVersion / finish

86UN8570AUD specifications

Display

Display diagonal2.18 m (86")
HD type4K Ultra HD
Screen shapeFlat
Native aspect ratio16:9
Motion interpolation technologyTruMotion 120 Hz
Display resolution3840 x 2160 pixels

Smart TV

Smart TVYes
Operating system installedWebOS
Smart modesCinema, Game, Sports, Standard, Vivid

Audio

Number of speakers2
RMS rated power20 W
Audio decodersDolby Atmos
Sound modesClear Voice III
Enhanced Audio Return Channel (eARC)Yes

Network

Wi-FiYes
BluetoothYes
Bluetooth version5.0
Ethernet LANYes
Web browserYes

Design

Product colourBlack

Performance

High Dynamic Range (HDR) technologyDolby Vision IQ, Filmmaker Mode, High Dynamic Range 10 Pro (HDR10 Pro), Hybrid Log-Gamma Pro (HLG Pro)
Audio formats supportedAAC, AC3, AC4, EAC3, HE-AAC, MP2, MP3, PCM, WMA
Picture processing technologyLG AI Picture
High Dynamic Range (HDR) supportedYes

Ports & interfaces

HDMI version2.1
Audio Return Channel (ARC)Yes
Ethernet LAN (RJ-45) ports1
USB 2.0 ports quantity3
HDMI ports quantity4
Consumer Electronics Control (CEC)SimpLink

Management features

Hotel modeYes
Works with Amazon AlexaYes
Works with the Google AssistantYes

Power

AC input voltage100 - 240 V
AC input frequency50 - 60 Hz

Weight & dimensions

Width (with stand)1943 mm
Depth (with stand)333 mm
Height (with stand)1178 mm
Weight (with stand)45 kg
Width (without stand)1943 mm
Depth (without stand)93.3 mm
Height (without stand)1118 mm
Weight (without stand)44.2 kg

Packaging data

Package width2116 mm
Package depth285 mm
Package height1261 mm
Package weight59 kg

Packaging content

Desktop standYes
Remote control includedYes

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

How to control the 86UN8570AUD 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 86UN8570AUD 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:

  • 86UN8570PUB United States

Questions about the 86UN8570AUD

Can I control the LG 86UN8570AUD with my phone?

Yes. The 86UN8570AUD runs webOS 5.0, and RemotApp controls it over Wi-Fi with no setup beyond accepting the connection on the TV once.

What year is the LG 86UN8570AUD?

The 86UN8570AUD is part of LG’s 2020 line (UHD UN8570).

What operating system does the 86UN8570AUD use?

The 86UN8570AUD runs webOS 5.0.

How many HDMI ports does the 86UN8570AUD have?

The 86UN8570AUD has 4 HDMI ports.

Does the 86UN8570AUD have Bluetooth?

Yes

Turning the 86UN8570AUD 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.