LG 75" UA77 Series 4K UHD AI Smart TV (2025)
75UA7700PUA
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LG 75" UA77 Series 4K UHD AI Smart TV (2025)
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Product Details
LG 75" UA77 Series 4K UHD AI Smart TV (2025)
A large-format 4K HDR smart TV platform with α7 AI optimization, webOS 25, and gaming-ready responsiveness
The LG UA77 75" Series (2025) is designed to deliver expansive 4K clarity with intelligent picture and sound refinement powered by the α7 AI Processor 4K Gen8. HDR10 Pro and Dynamic Tone Mapping elevate 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 tools 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 display hub for modern living spaces.
Big-Screen 4K HDR with AI Processing, Smart Streaming, and Gaming-Optimized Motion
The UA77 focuses on the foundational pillars of premium everyday viewing: 4K resolution at scale, intelligent image refinement, streamlined content access, and low-friction device 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 responsive control, while HGiG Mode and Game Optimizer provide 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 continuously refine image brightness, detail, and overall scene balance in real time, paired with AI-driven audio optimization to better match content type and room conditions.
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 results across HDR content.
Game Optimizer with VRR, ALLM, FreeSync, and HGiG
Built for modern console and PC workflows, the UA77 supports VRR and ALLM for smoother gameplay and reduced latency behavior. HGiG Mode targets a more consistent HDR gaming experience, while the Game Optimizer centralizes key settings and profiles for fast adjustments.
webOS 25 + ThinQ AI with LG Channels and Multi-Assistant Smart Control
webOS 25 delivers a polished 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 75" smart TV platform engineered for 4K HDR, gaming responsiveness, and ecosystem interoperability
75" 4K UHD Clarity
3840 × 2160 resolution delivers sharp detail and scale for premium viewing distance coverage.
α7 AI Processor 4K Gen8
Real-time optimization enhances brightness, detail, and sound output based on content and conditions.
HDR10 Pro + Dynamic Tone Mapping
Improves contrast and color realism with scene-by-scene refinement for cinematic impact.
Game Optimizer (VRR/ALLM/HGiG)
Smoother motion and more responsive feel with HDR gaming alignment tools and quick settings access.
webOS 25 + LG Channels
Access major streaming apps and 350+ free channels with ThinQ AI personalization and discovery.
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
Power & Physical
What’s in the Box
LG UA77 75" 4K HDR Smart LED TV (2025)
Large-format 4K UHD smart TV with α7 AI Gen8 processing, webOS 25, HDR10 Pro, and gaming optimization
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