LG 55" NANO 4K UHD AI Smart TV — Model 55NU860BYUA

The LG 55NU860BYUA is a 55-inch 4K UHD Smart TV from LG's 2026 NANO 4K UHD lineup, sitting in the NU86 series above the entry-level NU70. It's built around the alpha7 AI Processor 4K Gen9, adds Dolby Atmos sound with WOW Orchestra support, and runs LG's latest webOS 26 platform with AI features powered by Google Gemini and Microsoft Copilot.

Key Features

- Nano Detail Enhancer — refines texture and depth for a more lifelike 4K picture
- alpha7 AI Processor 4K Gen9 — 4K Super Upscaling with AI HDR Remastering and Dynamic Tone Mapping
- Dolby Atmos with FILMMAKER MODE — cinematic sound and picture, including Ambient Light Technology
- AI Sound Pro (Virtual 9.1.2 Up-mix) — expands built-in audio into a wider virtual soundstage
- WOW Orchestra — synchronizes the TV's speakers with a compatible LG soundbar for fuller sound
- webOS 26 AI Hub — personalized experience with Google Gemini and Microsoft Copilot, secured by LG Shield
- AI Chatbot and AI Voice ID — conversational troubleshooting and personalized voice recognition
- LG Channels — free live and on-demand streaming content, no subscription or set-top box needed
- Gaming-ready — Game Optimizer dashboard, ALLM, HGiG Mode, and VRR up to 60Hz
- Works with Apple AirPlay and Apple Home, plus Google Cast

Specifications

| Spec | Detail |
|---|---|
| Model | 55NU860BYUA |
| Series | NANO 4K UHD, NU86 |
| Screen Size | 55" |
| Display Resolution | 3840 x 2160 (4K UHD) |
| Native Refresh Rate | 60Hz |
| VRR | Up to 60Hz |
| Processor | alpha7 AI Processor 4K Gen9 |
| HDR | HDR10, HLG |
| Backlight | Direct |
| Smart Platform | webOS 26 (Google Gemini + Microsoft Copilot AI) |
| Audio Output | 20W, 2.0 channel |
| Audio Features | Dolby Atmos, AI Sound Pro (Virtual 9.1.2 Up-mix), WOW Orchestra, Clear Voice Pro |
| Gaming | ALLM, HGiG Mode, Game Optimizer dashboard |
| Wi-Fi | Wi-Fi 5 |
| Bluetooth | v5.3 |
| HDMI Ports | 3x (1 eARC, ALLM support) |
| USB Ports | 1x USB 2.0 |
| Ethernet | 1x |
| Model Year | 2026 |

Frequently Asked Questions

**What size is the LG 55NU860BYUA?**
It's a 55-inch class 4K UHD Smart TV.

**What's the difference between this and the NU70 series?**
The NU86 series adds Dolby Atmos sound with WOW Orchestra soundbar sync, AI Sound Pro virtual up-mixing, and runs the newer webOS 26 platform with an AI Chatbot and AI Voice ID.

**Does the LG 55NU860BYUA support Dolby Vision?**
No — this model supports HDR10 and HLG. Dolby Vision is not listed among its HDR formats.

**Is the LG 55NU860BYUA good for gaming?**
It includes ALLM, HGiG Mode, and a Game Optimizer dashboard, with VRR support up to 60Hz. The panel's native refresh rate is 60Hz.

**Does it come with a soundbar?**
No, but it supports LG's WOW Orchestra feature for synchronized sound if paired with a compatible LG soundbar.