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Amazon US · ASIN B0DYQCKLMG

LG 77 Inch Class OLED evo AI G5 4K Smart TV 2025 with Supplied Wall Mount

The OLED77G5WUA combines the listed OLED display, Dolby Vision / HDR10 / HLG and webOS 25 with native 120Hz and variable refresh support up to 165Hz. A buyer should match the source device to the required signal mode rather than read the highest advertised frequency as a promise for every input. Four HDMI inputs provide a concrete connection budget, while eARC on HDMI 2 means audio-system planning should reserve that socket. These are manufacturer specifications; neither frequency establishes input lag, HDR brightness or motion quality.

Updated 2026-10-08

Front view of LG OLED77G5WUA television showing the purple and gold LG OLED evo promotional screen
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Prices and sellers

No price information yet

Conditions and limitations

Manufacturer specification separates native 120Hz and VRR up to 165Hz; an exact-variant independent operating-condition snapshot was unavailable.

Manufacturer specification separates native 120Hz and VRR up to 165Hz; an exact-variant independent operating-condition snapshot was unavailable.

Compatibility

Four HDMI inputs and eARC on HDMI 2 are documented. No exact receiver, soundbar or PC pairing is established by the usable snapshots.

Four HDMI inputs and eARC on HDMI 2 are documented. No exact receiver, soundbar or PC pairing is established by the usable snapshots.

Where sources differ

Native 120Hz and VRR up to 165Hz describe different specifications. Duplicate distributor datasheets are not independent confirmation; no exact-variant measurement comparison was verified.

Native 120Hz and VRR up to 165Hz describe different specifications. Duplicate distributor datasheets are not independent confirmation; no exact-variant measurement comparison was verified.

Reported issues and fixes

AVForums supplies hands-on 65-inch family context. Exact OLED77G5WUA firmware-specific issues and fixes could not be corroborated in a usable native snapshot.

AVForums supplies hands-on 65-inch family context. Exact OLED77G5WUA firmware-specific issues and fixes could not be corroborated in a usable native snapshot.

Care and support

Official US warranty distinguishes first-year parts/labor from panel coverage in years 2-5. Repairability, spare-part availability and a software-support end date remain unverified.

Official US warranty distinguishes first-year parts/labor from panel coverage in years 2-5. Repairability, spare-part availability and a software-support end date remain unverified.

Ownership costs

A separate tabletop stand and charged labor in warranty years 2-5 are relevant ownership considerations. No prices, tariff assumptions or total-cost estimate are supplied.

A separate tabletop stand and charged labor in warranty years 2-5 are relevant ownership considerations. No prices, tariff assumptions or total-cost estimate are supplied.

Who it suits

Installation, HDR format needs, HDMI allocation and US warranty boundaries inform a conditional buying decision. Exact-variant measured performance and long-term durability remain gaps.

Installation, HDR format needs, HDMI allocation and US warranty boundaries inform a conditional buying decision. Exact-variant measured performance and long-term durability remain gaps.

Reviewer consensus

Consensus rows require at least two distinct sources for the topic.

TopicPositiveNegativeMixedReadingEvidence
Gaming latency and vrr300Agreed · 3/3[4], [1], [5]
Limitations021Leans weak · 2/3[4], [2], [3]

Single-source notes

  • Contrast and local dimming: Agreed · 1/1 · [1]
  • Sound / experience quality: Mixed · 1/1 · [2]
  • Hdr brightness and tone mapping: Agreed · 1/1 · [1]
  • Installation and ambient mode: Agreed · 1/1 · [4]
  • Ports audio and earc: Agreed · 1/1 · [4]
  • Smart platform and apps: Agreed · 1/1 · [1]

The review

LG OLED77G5WUA: verified features and installation limits

Picture and gaming specifications

LG identifies the OLED77G5WUA display as 4K OLED and lists Dolby Vision, HDR10 and HLG. Those entries help a buyer match the television to the HDR formats used by their films, broadcasts and playback equipment. They describe supported formats, not a measured brightness advantage or a guarantee of accurate tone mapping. A format checklist is therefore useful early in the decision, but it should not replace an evaluation of the picture settings and content that matter to the household. The specification also distinguishes a native 120Hz refresh rate from variable refresh support up to 165Hz. Keeping those descriptions separate avoids turning the highest supported rate into an expectation for every source. Someone planning a PC setup should confirm the exact output mode, while a buyer focused on ordinary television viewing should not infer picture quality from frequency alone. This research does not supply a verified exact-model brightness, input-lag or color-accuracy measurement. Where those numbers are decisive, treat the absence as a reason to seek a compatible test rather than as proof that the television performs poorly. [1], [4], [5]

Platform and external audio

The manufacturer capture lists four HDMI inputs with 4K 120Hz, eARC, VRR, ALLM, QMS and QFT among the connection features. It identifies HDMI 2 as the eARC connection. Start installation planning by listing the equipment that will be connected and deciding which socket will be used by the external audio system. This makes the documented input count a practical planning tool instead of a collection of acronyms. If a receiver or soundbar is essential, check its own connection instructions against the television's eARC arrangement before buying the complete system. An interface specification establishes an available path; it does not prove every codec, cable or device combination works as intended. The television's specified smart platform is webOS 25. That identifies the software platform rather than guaranteeing that a particular service, account feature or application is available in every region. Buyers who depend on a specific service should verify its current local requirements. Keep streaming-service checks separate from HDMI equipment checks: an acceptable app setup does not resolve an audio connection question, and a documented HDMI feature does not establish the behavior of an app. [1], [4]

Independent review context and its limits

The usable independent hands-on source in this refresh is AVForums' review of the OLED65G5. Its tested television is a 65-inch G5 in a UK review context, rather than the US OLED77G5WUA assigned here. The review lists a lack of HDR10+ and DTS support among its sample's limitations. These findings are useful questions to bring to a product demonstration or compatibility check, but the size and regional boundary should remain visible. This article does not relabel that review's brightness results as measurements of the 77-inch US model. Nor does it turn a reviewer's score into a physical benchmark. If a specific format or audio path is critical to the intended setup, seek exact-variant confirmation before assuming that family-level evidence settles the matter. The same discipline applies when reading other reviews: identify the tested size, regional model and relevant software version before comparing a number. A genuinely tested related model can inform the research plan while still leaving an exact-model performance gap. That is preferable to presenting apparently precise numbers whose conditions do not match the purchase. [2]

A conditional buying decision

The documented features support a conditional shortlist for a buyer who wants the listed HDR formats, can accommodate the installation requirements and has planned the HDMI and audio connections. Make that shortlist concrete by checking the desired playback formats, reserving the eARC socket when needed and confirming the separate stand if furniture placement is intended. These checks answer different ownership questions and should not be replaced by one general impression of the G5 name. A buyer whose decision depends mainly on measured brightness, precise gaming delay or proven long-term durability still needs evidence that matches this exact variant and its operating conditions. The current research leaves those requirements unresolved rather than treating manufacturer specifications as test results. Consider the later warranty period in the same decision: panel coverage may be helpful, but the stated labor charge means the headline term alone does not settle repair-cost expectations. Once these fit questions have been answered, compare the remaining candidates using the same standards of source identity and test conditions. This conclusion is about whether the documented setup fits the buyer's needs; it does not claim that every household will get the same experience. [1], [4], [3]

Placement and missing evidence

The exact-model specification capture lists VESA 300 x 300 and says that a tabletop stand is not supplied. Decide between wall installation and furniture placement before treating this television as ready for the intended room. For tabletop use, a compatible stand needs to be obtained separately. The existence of stand-related dimensions in a specification table should not be read as confirmation that the stand is included in the box; the accessories entry answers that different question. For mounting, the hole pattern is only one piece of the installation decision. Check the complete model-specific instructions and the selected mount's documented compatibility, including its permitted load, before relying on it. This research does not certify a particular bracket or a particular wall construction. The practical buying implication is to settle the support arrangement first and then check whether the chosen furniture and audio equipment suit that arrangement. Avoid selecting a stand merely because another G5 size is shown using it in a review. Confirm the exact model and the accessories supplied with the particular regional package you are buying. [4]

Understand the US warranty boundary

LG's US limited warranty separates parts and labor coverage in the first year from OLED display-panel coverage in years 2 through 5. In the later period, labor is charged. That distinction matters when comparing ownership expectations: panel coverage for five years is not the same promise as five years of fully covered repairs. Read the applicable warranty document before assigning value to the headline duration. Keep the purchase date and the terms applicable to the actual regional product together, and ask the seller or manufacturer to resolve any uncertainty about coverage before purchase. This research uses the US document and does not infer equivalent coverage for imports or other countries. It also does not estimate a future labor charge, repair bill or total ownership cost. Warranty duration is a service commitment under stated conditions, not a measurement of how long a panel will last. Someone who prioritizes predictable repair costs should therefore examine what is covered, what remains payable and how service is arranged, rather than choosing solely by the largest year count printed beside the product. [3]

Buyer questions

Before you buy

Which HDR formats are verified?

The accepted datasheet lists Dolby Vision / HDR10 / HLG. Format support is verified; measured HDR brightness and tone mapping remain unresolved. [1]

Compatibility

Can external audio use eARC?

Yes. The manufacturer specification identifies eARC on HDMI 2. Confirm the audio system's own requirements; this interface entry does not establish every codec or device combination. [4]

Setup

Is a tabletop stand supplied?

No. The manufacturer specification capture lists no stand among the supplied accessories. Tabletop placement requires a separately obtained compatible stand; the VESA pattern is listed as 300 x 300. [4]

Everyday use

What is the native refresh rate?

The accepted datasheet specifies native 120Hz. This is a specification, rather than a measurement of input lag or motion quality. [1]

Care and maintenance

Does the five-year panel warranty include free labor throughout?

No. The US warranty covers parts and labor in the first year, then OLED display-panel coverage in years 2-5 with labor charged. This is a coverage distinction, not a lifespan measurement. [3]

Front view of LG OLED77G5WUA television showing the purple and gold LG OLED evo promotional screen
Image source: LG Electronics official product gallery

Facts and specifications

Manufacturer datasheet

SpecificationValueSource
Adaptive SyncVariable refresh rate supported up to 165Hz. US[4]
eARCYes US[4]
HDR FormatDolby Vision / HDR10 / HLG US[1]
Panel Type4K OLED US[1]
PortsFour HDMI inputs supporting 4K 120Hz, eARC, VRR, ALLM, QMS and QFT. US[4]
Refresh Rate120 Hz US[1], [5]
Smart TV PlatformwebOS 25 US[1]
VESA Mount300 x 300 US[4]
WarrantyUS limited warranty covers parts and labor for one year from original retail purchase. US; US OLED display-panel coverage continues in years 2-5; labor is charged. US[3]

Other facts

SpecificationValueSource
LimitationThe supplied accessories do not include a tabletop stand. US[4]

Data: JSON · CSV

KnowSpec analysis

Declared features and operating expectations

The OLED77G5WUA combines the listed OLED display, Dolby Vision / HDR10 / HLG and webOS 25 with native 120Hz and variable refresh support up to 165Hz. A buyer should match the source device to the required signal mode rather than read the highest advertised frequency as a promise for every input. Four HDMI inputs provide a concrete connection budget, while eARC on HDMI 2 means audio-system planning should reserve that socket. These are manufacturer specifications; neither frequency establishes input lag, HDR brightness or motion quality.

Method: Interpretation of verified mounting and supplied-accessory specifications.

Installation planning

Installation planning should come before choosing furniture. The manufacturer specification lists VESA 300 x 300 and excludes a tabletop stand from the supplied accessories. Match the mounting arrangement to the model and check the complete installation instructions before buying mounting hardware; a hole pattern by itself does not establish a mount's load rating.

Method: Manufacturer-specification synthesis with explicit unverified performance limits.

Visible information gaps

Missing information is shown rather than guessed.

  • Topic:Comfort Usabilitynot found
  • Topic:Build Qualitynot found
  • Topic:Color Accuracy And Gamutnot public
  • Topic:Buyer Fitnot found
  • Topic:Motion And Upscalingnot public
  • Brightnessnot public
  • Brightnessnot public
  • Topic:Picture Quality Sdrnot public
  • Topic:Experience Qualitynot public
  • Topic:Viewing Angles And Reflectionsnot public
  • Source.Manufacturernot public
  • Input Lagnot public

Sources and method

  1. LG OLED evo G5 4K TV specificationsLG Electronics USA · retrieved 2026-10-02DatasheetPDF
  2. LG G5 (OLED65G5) 4K OLED TV ReviewAVForums · retrieved 2026-10-08Lab review
  3. LG OLED TV Limited Warranty USA OnlyLG Electronics USA · retrieved 2026-10-08ManufacturerPDF
  4. LG USA OLED77G5WUA model-specific specifications captureLG Electronics USA; capture hosted by FullSpecs · retrieved 2026-10-02DatasheetPDF
  5. LG OLED evo G5 specificationsLG Electronics USA; AVB-hosted copy · retrieved 2026-10-08DatasheetPDF
  6. LG OLED77G5WUA SpecificationsFullSpecs · retrieved 2026-10-02Other source
Updated: 2026-10-08 · Research accepted 2026-10-08Method: document and public-data analysis by an authorised research Agent with deterministic KnowSpec validation. No physical testing unless a section says otherwise. Missing or conflicting evidence stays visible instead of being guessed.