LG 43" UA77 Series 4K UHD AI Smart TV (2025)
43UA7700PUB
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LG 43" UA77 Series 4K UHD AI Smart TV (2025)
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Product Details
LG 43" UA77 Series 4K UHD AI Smart TV (2025)
A compact 43" 4K HDR smart TV platform with α7 AI optimization, webOS 25, and gaming-ready motion support
The LG UA77 43" Series (2025) delivers a high-impact 4K HDR experience in a compact footprint engineered for bedrooms, offices, and smaller living spaces. Powered by the α7 AI Processor 4K Gen8, UA77 applies real-time intelligence to optimize picture and sound for the content you’re watching, while HDR10 Pro and Dynamic Tone Mapping refine contrast and highlight structure for a more cinematic look. webOS 25 with ThinQ AI unifies streaming apps and built-in LG Channels, providing 350+ free channels for instant live viewing with minimal friction. Gaming capabilities include VRR and ALLM for smoother motion and reduced perceived latency, plus HGiG Mode and Game Optimizer tools for a more consistent HDR gaming pipeline. With Alexa, Google Assistant, Apple Home, LG ThinQ, AirPlay 2, and Google Cast support, UA77 integrates cleanly into modern smart-home environments. The Re:New platform program extends lifecycle value with 5-year software updates for ongoing feature and security coverage.
4K HDR Intelligence in a Space-Efficient Form Factor
UA77 is designed around core performance pillars that matter in everyday rooms: 4K clarity, HDR contrast enhancement, a modern smart platform, and low-friction ecosystem interoperability. The α7 AI Processor 4K Gen8 continuously optimizes picture and sound delivery, while HDR10 Pro plus Dynamic Tone Mapping improve highlight definition and shadow detail. webOS 25 consolidates discovery across apps and LG Channels for subscription-free live viewing. For gameplay, VRR and ALLM support smoother motion and reduced latency, complemented by HGiG Mode and Game Optimizer for quick HDR gaming alignment.
Gaming features and cloud gaming availability can vary by region, service, and device compatibility. Software update eligibility follows LG’s Re:New platform program terms.
Core Capabilities
α7 AI Processor 4K Gen8 for Real-Time Optimization
The UA77 leverages LG’s α7 AI Processor 4K Gen8 to refine scene brightness, detail, and overall balance continuously, paired with AI-driven audio tuning to better match content type and viewing environment.
HDR10 Pro + Dynamic Tone Mapping for Scene-by-Scene Contrast
HDR10 Pro enhances perceived depth with refined color and contrast, while Dynamic Tone Mapping analyzes each frame to improve highlight structure and shadow visibility. FILMMAKER MODE preserves original cadence for creator-intent playback.
Game Optimizer with VRR, ALLM, FreeSync, and HGiG
VRR and ALLM support smoother gameplay and lower perceived latency, while HGiG Mode targets more consistent HDR gaming behavior. Game Optimizer centralizes tuning for rapid adjustment across titles.
webOS 25 + ThinQ AI with LG Channels and Ecosystem Interoperability
webOS 25 provides a modern interface with personalization and ThinQ AI intelligence, plus built-in LG Channels for free live content. Integrated support for Alexa, Google Assistant, and Apple Home, along with AirPlay 2 and Google Cast, enables frictionless control and sharing across devices.
Key Features
A premium 43" smart TV foundation built for 4K HDR clarity, responsive gaming, and streamlined smart control
43" 4K UHD Clarity
Sharp 3840 × 2160 resolution in a compact form factor suited to smaller rooms and secondary displays.
α7 AI Processor 4K Gen8
Real-time optimization improves picture balance and audio tuning across movies, sports, and streaming content.
HDR10 Pro + Dynamic Tone Mapping
Enhanced contrast realism with improved highlight detail and shadow gradation for more dimensional images.
Game Optimizer (VRR/ALLM/HGiG)
Supports smoother play and reduced latency, with HDR gaming alignment and quick access to tuning controls.
webOS 25 + LG Channels
Modern interface with ThinQ AI personalization plus 350+ free live channels integrated into the platform.
AirPlay 2 + Cast + Voice Assistants
Streamlined sharing and control across devices with Alexa, Google Assistant, Apple Home, and LG ThinQ support.
Technical Specifications
Display & Video
Processing, Gaming & Smart
Connectivity & Wireless
Audio, Power & Physical
What’s in the Box
LG UA77 43" 4K HDR Smart LED TV (2025)
4K UHD smart TV with α7 AI Gen8 processing, webOS 25, HDR10 Pro, and Game Optimizer tools
Remote + Batteries
Remote control with built-in microphone and 2× AAA batteries
Power Cable
AC power connection
Stand
Included feet/stand hardware for tabletop placement
Warranty
Limited 1-Year Manufacturer Warranty
Included in the Box