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Overview

Experience amazing picture and sound with the LG B3 77" 4K UHD HDR OLED webOS Smart TV, powered by self-lit OLED pixels and the advanced α7 Gen6 AI Processor 4K. Enjoy smooth 120Hz motion and immersive features for movies, gaming, and streaming at home.
  • 77" 4K OLED screen, ideal for home theatres and large entertainment spaces
  • OLED display delivers exceptional contrast and wide viewing angles
This description was generated by AI and reviewed for accuracy.

LG B3 77" 4K UHD Dolby Vision HDR OLED 120Hz Dolby Atmos webOS23 Smart TV (OLED77B3PUA) - 2023 - Great for Movies & Gaming - Only at Best Buy

Model: OLED77B3PUA
Web Code: 17214453
Sold and shipped by Best Buy

Not available for delivery

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Return Policy

30 days to return or exchange

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Warranty Information

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
  • Screws
  • Stand
  • Manual
  • Quick Start Guide
What you need to know
  • 77" 4K Ultra HD OLED screen, ideal for home theatres and large entertainment spaces
  • Smart TV with webOS 23 for easy access to streaming and personalized content
  • OLED display delivers exceptional contrast and wide viewing angles
  • Supports Dolby Vision for vivid HDR colour and detail
  • Native 120Hz refresh rate for smooth motion in sports and gaming
Screen, Picture & Resolution
  • Self-lit OLED 4K delivers perfect black and incredible colours using over 8.3 million individually lit pixels
  • α7 Gen6 AI Processor 4K automatically adjusts picture and sound for immersive viewing
  • Filmmaker Mode displays movies as the director intended
  • 10 picture modes, including Personalized Picture Wizard, Game, Sports, and Expert modes
Motion & Modes
  • Native 120Hz refresh rate ensures smooth, lifelike movement for sports, movies, and games
  • 0.1ms response time for clear, crisp action in fast-paced scenes
Great for Gaming
  • NVIDIA G-Sync, AMD FreeSync Premium, and VRR support for responsive, tear-free gameplay
  • LG Game Dashboard and Game Optimizer provide quick control over gaming settings
  • Four HDMI 2.1 inputs for multiple console and device connections
Smart Features
  • webOS 23 uses AI to organize content and make searching simple
  • LG Channels offers over 100 free channels plus popular streaming apps (internet connection and subscriptions required; number of LG Channels subject to change)
  • Works with Amazon Alexa, Google Assistant, Apple AirPlay 2, and Apple HomeKit for voice control and smart home integration
Audio
  • Dolby Atmos delivers immersive wrap-around sound for cinematic audio
  • AI Sound Pro creates virtual 5.1.2 up-mix for enhanced listening
  • Bluetooth Surround Ready allows for wireless audio expansion
Connections & Compatibility
  • Four HDMI 2.1 ports for advanced connectivity
  • Two USB media ports, Wi-Fi 5, and Bluetooth 5.0 for easy device pairing
  • Compatible with wall mount (400 x 200 specification) for flexible placement
This description was generated by AI and reviewed for accuracy.

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 .