LG 55" UA77 Series 4K UHD AI Smart TV (2025)
55UA7700PUB
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LG 55" UA77 Series 4K UHD AI Smart TV (2025)
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Product Details
LG 55" UA77 Series 4K UHD AI Smart TV (2025)
A refined 55" 4K HDR smart TV platform with α7 AI optimization, webOS 25, and gaming-ready responsiveness
The LG UA77 55" Series (2025) is designed to deliver crisp 4K HDR performance with intelligent picture and sound refinement powered by the α7 AI Processor 4K Gen8. HDR10 Pro and Dynamic Tone Mapping enhance contrast and highlight detail for more cinematic realism, while webOS 25 with ThinQ AI streamlines discovery across premium apps and built-in LG Channels—unlocking 350+ free channels for instant viewing. For gamers, the UA77 supports VRR and ALLM for smoother motion and reduced perceived latency, plus HGiG Mode and Game Optimizer controls to align HDR performance and on-screen settings with competitive play. Smart-home interoperability is built in, supporting Alexa, Google Assistant, Apple Home, AirPlay 2, and Google Cast for frictionless voice control, automation, and screen sharing. Backed by LG’s Re:New platform program with 5-year software updates, the UA77 is positioned as a future-forward entertainment anchor for modern living spaces.
Balanced 4K HDR with AI Processing, Smart Streaming, and Gaming-Optimized Motion
The UA77 focuses on the essentials that drive everyday satisfaction: sharp 4K detail, AI-assisted image refinement, simplified content access, and seamless ecosystem interoperability. The α7 AI Processor 4K Gen8 continuously optimizes brightness, detail, and sound presentation, while HDR10 Pro and Dynamic Tone Mapping help preserve shadow detail and highlight structure scene by scene. webOS 25 consolidates streaming apps, personalization, and free live content via LG Channels. For gameplay, VRR and ALLM support smoother motion and more responsive control, while HGiG Mode and Game Optimizer deliver a more predictable HDR gaming experience across consoles and cloud services.
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 Picture and Sound Optimization
The UA77 leverages LG’s α7 AI Processor 4K Gen8 to refine image brightness, detail, and scene balance in real time, paired with AI-driven audio optimization to better match content type and listening environment.
HDR10 Pro + Dynamic Tone Mapping for Cinematic Contrast
HDR10 Pro enhances perceived depth with refined color and contrast, while Dynamic Tone Mapping analyzes each scene to improve highlight structure and shadow visibility for more lifelike HDR results. FILMMAKER MODE preserves original cadence for creator-intent playback.
Game Optimizer with VRR, ALLM, FreeSync, and HGiG
The UA77 supports VRR and ALLM for smoother gameplay and lower perceived latency, with HGiG Mode targeting more consistent HDR gaming behavior. Game Optimizer centralizes profiles and settings for rapid tuning across titles.
webOS 25 + ThinQ AI with LG Channels and Multi-Assistant Smart Control
webOS 25 delivers a modern smart-TV interface with personalization tools, ThinQ AI, and built-in LG Channels for free live content. Voice assistant support spans Alexa, Google Assistant, and Apple Home, with AirPlay 2 and Google Cast enabling frictionless screen sharing and content handoff.
Key Features
A future-ready 55" smart TV platform engineered for 4K HDR, gaming responsiveness, and ecosystem interoperability
55" 4K UHD Clarity
3840 × 2160 resolution delivers sharp detail in a versatile form factor for everyday spaces.
α7 AI Processor 4K Gen8
Continuously optimizes picture and sound for the content you watch—automatically, in real time.
HDR10 Pro + Dynamic Tone Mapping
Enhances contrast realism and scene detail for more cinematic depth across HDR content.
Game Optimizer (VRR/ALLM/HGiG)
Supports smoother motion and responsive control with HDR gaming alignment tools and quick settings access.
webOS 25 + LG Channels
Unified access to major apps plus 350+ free channels—built into the platform with ThinQ AI personalization.
AirPlay 2 + Cast + Voice Assistants
Seamless interoperability across iOS/Android and smart-home platforms including Alexa, Google, and Apple Home.
Technical Specifications
Display & Video
Processing, Gaming & Smart
Connectivity & Wireless
Audio, Power & Physical
What’s in the Box
LG UA77 55" 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