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Overview

Upgrade your home entertainment with the LG UA7900 LCD webOS smart TV. Featuring 4K ultra HD resolution and Direct Lit backlighting, it delivers stunning picture quality with crisp details and rich colours. HDR enhances contrast and colour accuracy for lifelike visuals, while 20W downward-firing speakers provide powerful sound for a complete experience.

LG 50" UA7900 4K UHD HDR LCD webOS Smart TV (50UA7900YA.ACC) - 2025

Model: 50UA7900YA.ACC
Web Code: 19479746
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Return Policy

30 days to return or exchange

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Manufacturer's Warranty

Check with the manufacturer for details or add Best Buy Protection for extra coverage.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • Magic Remote Control
  • Battery
  • Power Cable
  • Quick Start Guide

Amazing clarity and entertainment

  • 50-inch LCD screen with 4K ultra HD resolution offer stunning picture quality with rich details and colour
  • Smart TV provides quick access to your favourite streaming apps, content, and services, without any additional devices

Outstanding visuals and sound

  • Direct Lit backlighting delivers improved brightness and unform picture quality across the entire screen
  • HDR 10 Pro (High Dynamic Range) boosts contrast and colour accuracy to deliver more lifelike, vibrant visuals
  • Alpha 7 AI processor Gen8 intelligently enhances picture and sound quality in real time for a seamless, immersive viewing experience
  • 60Hz refresh rate ensures smooth and stable playback motion for everyday viewing
  • 20W down firing speaker system delivers rich, immersive sound

Seamless streaming and personalized content

  • webOS 25 offers an intuitive, user-friendly smart TV experience with smooth navigation and quick access to your favourite content
  • Access over 100 free LG channels featuring a wide range of entertainment, personalized recommendations, and fast browsing (requires internet connection and number of channels subject to change)
  • Preloaded apps such as Netflix, Disney+, YouTube, Prime Video, and Apple TV+ let you start streaming your favourite content instantly, without any setup (subscriptions may be needed)

Advanced connectivity and voice integration

  • Built-in Amazon Alexa and compatibility with Google Assistant and Apple HomeKit allow for hands-free control and easy integration with your smart home devices
  • Wi‑Fi 5 and wired internet connectivity, and Bluetooth support let you enjoy reliable streaming, seamless device pairing, and flexible connection options
  • Compatibility with AirPlay 2 allows you to stream content seamlessly and control playback across multiple Apple devices
  • Chromecast built-in enables you to effortlessly cast your favourite apps, videos, and music from your phone or tablet directly to the TV
  • Three HDMI 2 inputs, one optical digital audio output, and one USB media port provide more options to connect peripheral devices

Easy control and convenient installation

  • Magic Remote lets you easily navigate your TV using motion control, voice commands, and quick access buttons
  • Optional 200mm x 200mm wall mount specification enables convenient wall mounting
Product Condition
Brand New
ENERGY STAR certified
Yes
Series
UA7900
Model Year
2025

Video

Screen Size
50 in
Resolution
4K Ultra HD
TV Display Technology
LCD
Backlight Technology
Direct Lit
Image Processing Engine
a7 (Alpha 7) AI Processor
High Dynamic Range (HDR)
Yes
Dolby Vision
No
IMAX Enhanced
No
Refresh Rate
60 Hz
Video Modes
12 Modes (Personalized Picture Wizard, Vivid, Standard, Eco, Cinema, Sports, Game, Filmmaker, (ISF) Expert (Bright Room), (ISF) Expert (Dark Room))
Panel Shape
Flat

Audio

Speaker Configuration
Down Firing
Speaker Output Power
20 W

Inputs/Outputs

HDMI Inputs
3
MHL Inputs
0
Component Video Inputs
0
Coaxial Cable Inputs
1
Optical Digital Audio Outputs
1
Stereo Audio Outputs
0
Headphone Jack
0
USB Media Port
1
Internet Connectivity
Wi-Fi and Wired
Bluetooth
Yes
Works with Apple AirPlay
AirPlay 2
Chromecast built-in
Yes
Wireless Standard Generation
Wi-Fi 5
DLNA Certified
Yes
Preloaded Apps
Netflix; Disney+; YouTube; Prime Video; Apple TV+; LG Channels
Motion Control
Yes
Voice Control
Yes
Voice Assistant Built-In
Amazon Alexa
Works with Google Assistant
Yes
Works with Amazon Alexa
Yes
Works with Apple HomeKit
Yes
Energy Saving Mode
Yes

Physical Features

Cabinet Colour
Black
Wall Mount
Optional
Wall Mount Specification
200 x 200

Dimensions With Stand

Width with Stand
112.2 cm
Height with Stand
71.8 cm
Depth with Stand
23.5 cm
Width with Stand (Inches)
44.2 in
Height with Stand (Inches)
28.3 in
Depth with Stand (Inches)
9.1 in
Weight with Stand
9.5 kg

Dimensions Without Stand

Width without Stand
112.2 cm
Height without Stand
65.4 cm
Depth without Stand
6.79 cm
Width without Stand (Inches)
44.2 in
Height without Stand (Inches)
25.7 in
Depth without Stand (Inches)
2.7 in
Weight without Stand
9.4 kg

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Information about the manufacturer’s availability guarantee can be found .