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UHD 4K UM6910 55″ (2019)

LG 55UM6910PUC

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

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

Does the 55UM6910PUC work with RemotApp?

Yes. The 55UM6910PUC 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 55UM6910PUC means

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

  1. 55Screen size in inches
  2. UM6910Series (2019 line) · UHD
  3. PUCMarket code · United States

55UM6910PUC specifications

Display

Display diagonal139.7 cm (55")
HD type4K Ultra HD
Display technologyLED
Screen shapeFlat
Native aspect ratio16:9
Supported video modes2160p
Native refresh rate60 Hz
Display resolution3840 x 2160 pixels

TV tuner

Tuner typeAnalog & digital
Analog signal format systemNTSC M
Digital signal format systemATSC

Smart TV

Smart TVYes
Internet TVYes
Operating system installedWebOS

Audio

Number of speakers2
RMS rated power20 W

Network

Wi-FiYes
BluetoothYes
Ethernet LANYes
BrowsingYes
Web browserYes

Design

Product colourBlack
VESA mountingYes
On/off switchYes

Performance

High Dynamic Range (HDR) technologyHigh Dynamic Range 10 (HDR10), Hybrid Log-Gamma Pro (HLG Pro)
Audio formats supportedAAC, AC3, AC4, DTS, EAC3, HE-AAC, MP2, MP3, WMA, apt-X
Noise reductionYes
High Dynamic Range (HDR) supportedYes
4K Ultra HD upscalingYes
Smartphone/tablet remote supportYes
USB recordingYes

Ports & interfaces

HDMI version2.0
Mobile High-Definition Link (MHL)No
PC in (D-Sub)No
DVI portNo
Ethernet LAN (RJ-45) ports1
USB 2.0 ports quantity2
Headphone outputs1
Common interface (CI)No
Common interface Plus (CI+)No
HDMI ports quantity3
Consumer Electronics Control (CEC)SimpLink

Management features

Voice controlYes
Works with Amazon AlexaYes
Works with the Google AssistantYes

Power

Power consumption (typical)140 W
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Energy saving modeYes

Weight & dimensions

Width (with stand)1247 mm
Depth (with stand)235 mm
Height (with stand)780 mm
Weight (with stand)13.8 kg
Width (without stand)1247 mm
Depth (without stand)88.6 mm
Height (without stand)729 mm
Weight (without stand)13.7 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 55UM6910PUC 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 55UM6910PUC 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.

Questions about the 55UM6910PUC

Can I control the LG 55UM6910PUC with my phone?

Yes. The 55UM6910PUC 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 55UM6910PUC?

The 55UM6910PUC is part of LG’s 2019 line (UHD UM6910).

What operating system does the 55UM6910PUC use?

The 55UM6910PUC runs webOS 4.5.

How many HDMI ports does the 55UM6910PUC have?

The 55UM6910PUC has 3 HDMI ports.

Does the 55UM6910PUC have Bluetooth?

Yes

Turning the 55UM6910PUC 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.