LG E99LG86UP8770PUA 86" 4K UHD AI ThinQ Smart TV

Name: LG E99LG86UP8770PUA 86" 4K UHD AI ThinQ Smart TV
Brand: LG
SKU: E99LG86UP8770PUA

★★★★★4.4 (106 reviews)

4KUHD86 Inch

The LG 86UP8770PUA's α7 Gen4 AI processor and Dolby Vision IQ turn 86 inches of 4K UHD into a cinematic living room experience that scales intelligently to every type of content.

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Overview

The LG 86UP8770PUA is an 86-inch 4K UHD smart TV built around LG's α7 Gen4 AI processor — the component that separates this panel from straightforward large-format displays. At native 4K (3840x2160) with TruMotion 240 motion processing and a 120Hz native panel, this TV handles everything from fast sports to cinematic films. But the AI processing layer is where the day-to-day picture quality is actually determined: AI-based upscaling converts HD streaming content, cable broadcasts, and older media to near-4K quality in real time, and Cinema HDR certification covering Dolby Vision IQ, HDR10, and HLG means every HDR format maps correctly to the panel's capabilities without manual adjustment. Dolby Vision IQ's ambient light sensing adds dynamic tone mapping on top of static HDR metadata, intelligently calibrating the image to match the room's actual lighting conditions.

The webOS smart platform is one of LG's strongest competitive advantages in this category. The Magic Remote with point-and-click navigation dramatically reduces the friction of app-switching and streaming service navigation compared to conventional directional remotes, and built-in Google Assistant and Amazon Alexa provide full hands-free control without requiring external smart speakers. The 4x HDMI inputs (HDCP 2.2), 2x USB ports, ethernet, Bluetooth, and Wi-Fi cover standard AV system connectivity, and Dolby Atmos audio decoding is built in for compatible soundbar or passthrough configurations. This bundle includes a 2-year extended service plan with accidental damage and burn-in protection — meaningful coverage for a display of this size and price point that shifts the risk calculus of large-format LCD ownership.

Key Features

LG USA AUTHORIZED - Includes 2 Year Extended Protection Plan in ADDITION to the Included FULL Manufacturer Protection

The rich 4K displays of LG UHD TVs deliver quality you can see in every scene. Enjoy bright colors, high contrast and impeccable detail.

Real 4K Display | 4K Ultra HD (3,840 x 2,160) | α7 Gen4 AI Processor 4K | TruMotion 240 (120Hz Native) | AI 4K Upscaling

BUNDLE INCLUDES: LG 86UP8770PUA 86 Inch AI ThinQ 4K UHD Smart TV | Magic Remote Control | Remote Battery - (AA) | Power Cable | Quick Start Guide | Limited 1-Year Protection | 2 Year Premium Extended Service Plan (2 Years Total) Including Accidental Damage, and Burn in Protection as well as Free Tech Support and Remote Control Replacement (“hot swap” no questions asked)

Specifications

Brand

Model

86UP8770PUA

Screen Size

86 inches

Resolution

4K Ultra HD (3840 x 2160)

Processor

α7 Gen4 AI Processor 4K

Refresh Rate

TruMotion 240 (120Hz native)

HDR Support

Cinema HDR (Dolby Vision IQ, HDR10, HLG)

Audio

Dolby Atmos

Smart Platform

webOS / AI ThinQ

Voice Assistants

Google Assistant, Amazon Alexa

HDMI Inputs

4x (HDCP 2.2)

USB Ports

2x (v2.0)

Wireless

Wi-Fi, Bluetooth

Other Connections

1x Ethernet, 1x RF, RS-232C (Mini Jack), eARC (HDMI 3)

Remote

Magic Remote

Pros & Cons

👍 Pros

The α7 Gen4 AI Processor applies neural network upscaling to sub-4K content in real time, noticeably improving the appearance of HD streaming and cable sources on an 86-inch panel where lower-resolution content would otherwise show upscaling artifacts.
Dolby Vision IQ adjusts tone mapping dynamically using the TV's ambient light sensor, ensuring HDR content looks optimally calibrated whether you're watching in a darkened room or a bright living room — without manual picture mode switching.
At 86 inches diagonal, this TV fills a living room's visual field at typical viewing distances in a way that creates genuine cinematic immersion rather than simply a larger version of a desktop display.
Google Assistant and Amazon Alexa are built into the webOS platform, allowing hands-free channel changes, app launches, and smart home control without a separate smart speaker or hub.
The included 2-year Premium Extended Service Plan with accidental damage and burn-in coverage adds meaningful protection beyond the standard LG manufacturer warranty, reducing the cost-of-ownership risk on a large-format display.

👎 Cons

The UP8770PUA uses an IPS-type LCD panel rather than OLED, which means black levels and contrast ratio are significantly lower than OLED alternatives at this screen size — visible in dark scenes as elevated black floor rather than true black.
At 86 inches, installation requires either a very large TV stand or VESA wall mounting with a stud configuration capable of supporting the display's weight — most standard TV mounts and single-stud installations will not safely support this size.
The USB ports are version 2.0, limiting media playback from external drives to USB 2.0 transfer speeds and excluding USB-A storage devices formatted in file systems the TV doesn't natively recognize.
HDMI 1.4 on at least some ports caps connected device output at 4K/30Hz — verify which ports support HDMI 2.1 or HDMI 2.0 before connecting gaming consoles or PC sources expecting 4K/60Hz or higher.
At this screen size, any panel uniformity issues — clouding, backlight bleed, or IPS glow — are significantly more visible than on smaller panels, and panel-to-panel variation in large-format LCD manufacturing means uniformity should be evaluated at delivery.

Frequently Asked Questions

What does the α7 Gen4 AI Processor actually do for picture quality compared to a basic 4K panel?

The α7 Gen4 processes the incoming image in real time using AI-based upscaling and noise reduction algorithms. For native 4K content, it enhances detail and manages compression artifacts. For sub-4K content — HD streaming, cable, Blu-ray — it upscales to 4K resolution using trained neural network models rather than simple interpolation, producing a sharper, more natural result. The practical difference is most visible on streamed 1080p content and sports broadcasts.

What HDR formats does the UP8770PUA support?

The TV supports Cinema HDR, which is LG's umbrella certification covering Dolby Vision IQ, HDR10, and HLG. Dolby Vision IQ is the highest tier — it dynamically adjusts tone mapping based on ambient light sensor data in real time. HDR10 handles static metadata HDR from most streaming services and 4K Blu-ray. HLG covers live broadcast HDR. This three-format coverage means virtually all HDR content from any source plays in its native HDR mode.

Does the UP8770PUA have native 120Hz refresh, and does that matter for gaming or sports?

The native panel refresh rate is 120Hz, with LG's TruMotion 240 processing applied on top. For gaming, native 120Hz via HDMI 2.1 would allow 4K/120fps input — but verify whether this specific HDMI 2.1 is present on this unit, as the UP8770 model line's HDMI ports are HDCP 2.2 certified but not all ports may support 4K/120. For sports and fast motion, TruMotion 240 motion processing reduces blur on fast-moving subjects.

How does the webOS smart platform compare to Roku or Fire TV for streaming app availability?

WebOS supports all major streaming apps including Netflix, Disney+, Amazon Prime Video, Apple TV+, YouTube, and others. LG's ThinQ AI platform adds Google Assistant and Amazon Alexa built-in voice control, so you can control the TV and access content hands-free. The Magic Remote's point-and-click and scroll wheel navigation is a distinctive UX advantage that speeds app navigation compared to standard directional remotes.

What is the total warranty coverage with this bundle?

This bundle includes LG's standard limited 1-year manufacturer warranty plus an additional 2-year Premium Extended Service Plan through the seller, totaling 2 years of coverage. The extended plan includes accidental damage, burn-in protection, free tech support, and Magic Remote replacement with no questions asked. Verify the current terms of the extended plan with the seller at time of purchase.