LG - 43” Class UA77 Series LED AI 4K UHD Smart webOS TV (2025)
Series
LED 4K - UA77Screen Size Class
43"
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Highlights
- Key Specs
- Display Type: LED
- Resolution: 4K (2160p) (Refers to the number of pixels, both horizontally and vertically, used to capture video/images. The higher the resolution the finer the detail that can be seen.)
- Screen Size Class: 43 inches (The group size measurement of a screen. This differs from a screen size measured diagonally from corner to corner.)
- High Dynamic Range (HDR): true (An HDR-compatible 4K TV or other HDR-compatible product displays HDR video content when it's available from sources like 4K Ultra HD Blu-ray Discs and 4K streaming services.)
- High Dynamic Range Format: HDR 10, Hybrid Log-Gamma (HLG) (There are a few HDR formats that tell the TV or other HDR-compatible product how to best utilize its capabilities to display HDR content. HDR technology can support one or multiple formats, each with various benefits to picture quality.)
- LED Panel Type: Standard LED
- Backlight Type: Direct Lit (Edge-lit: lights are on the edges of the display with ~10 zones of vertical LEDs. Direct-lit: lights are on the edges and behind the screen for more light uniformity than Edge-lit. Full array: direct-lit with local dimming for greater contrast with up to 100 zones of LEDs.)
- Refresh Rate: 60Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
- Specific Manufacturer Technologies: Alpha 7 AI Processor Gen8 (This is technology that's specific to a TV brand (sometimes called proprietary technology). Here you'll see terms related to picture quality, brightness, processors and more.)
- Smart Platform: webOS (Just like a computer, a smart TV needs an operating system (also called a smart platform) in order to access the Internet, connect with entertainment apps, and play streaming content. Some common TV smart platforms are; Roku TV, Android TV, and Chromecast.)
- Featured Streaming Services: Netflix, Max, Disney+, YouTube, Prime Video, ESPN+, Apple TV+, Sling TV (Streaming services and other programs are available on this device. Keep in mind, there may be more services supported than just those shown here.)
- Number of HDMI Inputs (Total): 3
- TV Tuner Type: ATSC, Clear QAM
- Works With: Amazon Alexa, Google Home, Apple Home (Compatible with or able to be connected to other smart devices or applications.)
- Voice Assistant Built-in: No, No (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
- General
- Brand: LG
- Model Number: 43UA7700PUB
- Product Name: 43” Class UA77 Series LED AI 4K UHD Smart webOS TV (2025)
- Series: LED 4K - UA77 (Part of a group of the same product type with similar features.)
- Model Year: 2025
- Dimensions
- Product Height With Stand: 23.9 inches
- Product Width: 37.7 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth With Stand: 9.3 inches
- Product Height Without Stand: 22 inches
- Product Depth Without Stand: 2.3 inches
- Product Weight With Stand: 13.7 pounds
- Product Weight Without Stand: 13.4 pounds
- Stand Width: 34.5 inches (The horizontal measurement of the stand/base, or the distance from the outside of one leg to the outside of the opposite leg, as it is attached to the product.)
- Stand Depth: 2.3 inches
- Adjustable Stand Width: false (Whether the stand can adjust to have more than one measurement either between the legs or the base itself.)
- Display
- Display Type: LED
- Resolution: 4K (2160p) (Refers to the number of pixels, both horizontally and vertically, used to capture video/images. The higher the resolution the finer the detail that can be seen.)
- Screen Size: 43.1 inches (Size of the screen, measured diagonally from corner to corner.)
- Screen Size Class: 43 inches (The group size measurement of a screen. This differs from a screen size measured diagonally from corner to corner.)
- High Dynamic Range (HDR): true (An HDR-compatible 4K TV or other HDR-compatible product displays HDR video content when it's available from sources like 4K Ultra HD Blu-ray Discs and 4K streaming services.)
- High Dynamic Range Format: HDR 10, Hybrid Log-Gamma (HLG) (There are a few HDR formats that tell the TV or other HDR-compatible product how to best utilize its capabilities to display HDR content. HDR technology can support one or multiple formats, each with various benefits to picture quality.)
- Picture Quality Enhancement Technology: Dynamic Tone Mapping
- LED Panel Type: Standard LED
- Backlight Type: Direct Lit (Edge-lit: lights are on the edges of the display with ~10 zones of vertical LEDs. Direct-lit: lights are on the edges and behind the screen for more light uniformity than Edge-lit. Full array: direct-lit with local dimming for greater contrast with up to 100 zones of LEDs.)
- Curved Screen: false
- Refresh Rate: 60Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
- Closed Captioning: true (The text version of spoken audio displayed on the screen. Devices that can display closed captioning typically have the option to toggle the feature on or off.)
- Features
- Remote Control Type: Standard
- Specific Manufacturer Technologies: Alpha 7 AI Processor Gen8 (This is technology that's specific to a TV brand (sometimes called proprietary technology). Here you'll see terms related to picture quality, brightness, processors and more.)
- Smart Capable: true (Smart, or smart-capable devices are able to connect directly to your home network in order to stream content from the Internet, run Internet-based apps, or connect to other smart devices.)
- Smart Platform: webOS (Just like a computer, a smart TV needs an operating system (also called a smart platform) in order to access the Internet, connect with entertainment apps, and play streaming content. Some common TV smart platforms are; Roku TV, Android TV, and Chromecast.)
- Featured Streaming Services: Netflix, Max, Disney+, YouTube, Prime Video, ESPN+, Apple TV+, Sling TV (Streaming services and other programs are available on this device. Keep in mind, there may be more services supported than just those shown here.)
- Screen Mirroring: true (Casts the screen of one device onto another wirelessly, using a common protocol (typically Bluetooth).)
- Screen Mirroring Technology: Apple AirPlay 2, Google Cast
- Content Sharing: Mobile to TV (The device is capable of connecting to another device in order to send or receive streaming content. Share content from your mobile device to your TV or vice versa.)
- Indoor Or Outdoor Use: Indoor (Indicates the appropriate environment product was designed to be used in.)
- TV Tuner: Digital (The ATSC TV Tuner is a component built into conventional TV sets or other devices for receiving over-the-air broadcast TV without a cable/satellite box. Digital tuners may be purchased separately and connected to a device if it does not have one built in.)
- Connectivity
- Number of HDMI Inputs (Total): 3
- Display Connector(s): 3 x HDMI 2.0 (The number and type of connectors used to connect to an external display.)
- Network Connector(s): 1 x LAN
- HDMI Audio Return Channel (ARC): eARC
- Wireless Connectivity: Wi-Fi, Bluetooth (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
- TV Tuner Type: ATSC, Clear QAM
- RF Antenna Input: true (This input is used to connect devices such as antennas or cable boxes to a TV via a coaxial cable.)
- Number Of USB Port(s) (Total): 2 (The total number of USB ports including all generations and versions.)
- Wireless Networking Standard: Wi-Fi 5 (The wireless networking standard used by the device. Each iteration of the standard developed by the Wi-Fi Alliance corresponds to an existing IEEE 802.11 protocol; for example, standard 802.11ac (or AC) is termed Wi-Fi 5. Refers specifically to the standard the device is designed to use, but ultimately determines product interoperability and backward compatibility including previous versions.)
- Bluetooth Version: 5.1 (The Bluetooth specification formalized by the Bluetooth Special Interest Group. All versions of the Bluetooth standard are backwards compatible with previous versions.)
- Compatibility
- VESA Wall Mount Standard: 200mm x 300mm (VESA wall mount standards refer to the spacing of screw holes built into a TV in order to fit with standard TV wall mounts. These standards are implemented into most TVs and monitors.)
- Works With: Amazon Alexa, Google Home, Apple Home (Compatible with or able to be connected to other smart devices or applications.)
- Voice Assistant Built-in: No, No (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
- Audio
- Built-In Speakers: true
- Built-in Speaker Type: Downward firing (Backward, downward, and front-firing speakers direct sound into the room from those respective directions. A soundbar is typically long and rectangular, and designed to act as an all-in-one speaker with greater sound production than that of a TV alone. An acoustic surface is the result of small sound actuators embedded directly behind the screen, turning the entire screen's surface into a speaker.)
- Number of Audio Channels: 2.0 (The number of discrete channels of sound output. This can be a single number or multiple numbers separated by decimal(s). The first number is the primary, horizontally directed audio channels. The number after the first decimal, if applicable, is the number of subwoofer outputs or channels. The number after the second decimal, if applicable, is the number of height or atmospheric channels designed to immerse the listener by producing overhead sound effects.)
- Power
- ENERGY STAR Certified: false (Devices carrying the ENERGY STAR service mark, such as computer products and peripherals, kitchen appliances, and other products, generally use 20% to 30% less energy than required by federal standards.)
- EPEAT Qualified: false (The Electronic Product Environmental Assessment Tool (EPEAT) was designed to provide an environmental assessment tool for purchasers. In order to qualify for EPEAT, a product must meet all 23 required criteria.)
- Estimated Annual Operating Cost: 24 United States dollars (Predicted cost of operating the product under average conditions for one year.)
- Estimated Annual Electricity Use: 149 kilowatt hours (Predicted amount of electricity needed to operate the product under average conditions for one year.)
- Included
- Stand Included: true
- Warranty
- Warranty - Parts: 1 year limited
- Warranty - Labor: 1 year limited
- Box Dimension
- Height: 25.6 inches
- Width: 41.9 inches
- Depth: 4.4 inches
- CubicDimension: 4720 inches
- Other
- UPC: 195174102428
Bring home 4K resolution in an impressive range of screen sizes with LG UHD TVs. Enjoy swift, easy browsing and tons of personalized recommendations including over 300 free LG Channels.¹ Spend less time searching and more time streaming with LG webOS 25. Focus on the screen with a slim and simple-to-mount design for a stylish view no matter where you hang it. For gamers, you can quickly customize your gaming experience in one location with the LG Game Optimizer. And, with GeForce NOW & Xbox Cloud Gaming included, you can automatically stream and get in the game.²
- 4K UHD TV: Everything you need to bring your favorite content to life with the power of 4K and the extras you crave.
- Alpha 7 AI Processor Gen8: Enhanced brightness, improved sound, refined picture detail with 4K upscaling* and dynamic tone mapping. It all comes together for a thrilling watching experience powered by the Alpha 7 AI Processor Gen8.
- WebOS: No matter which TV you choose, your LG TV makes it easier than ever to find what you need and more. Browse all your favorite streaming apps and more.⁸
- LG Channels: Get instant access to over 300 free channels,⁹ including movies, breaking news, sports and more. Discover and enjoy premium new entertainment with nothing more than an internet connection, app subscriptions not needed.
- WebOS Re:New Program: With LG’s Re:New Program enjoy new software updates and feature refreshes for up to 5 years. This ensures your TV's OS will be compatible with new feature updates and system refreshes.¹⁰
- Personalized Search & Recommendations: Set your personalized picture and audio settings. The personalized picture & sound wizard uses AI technology to analyze your favorite images and sound clips to create a personalized picture and audio experience tailored for you.
- HDR10 Pro: HDR10 Pro delivers a dramatic visual experience and elevated picture quality by enhancing each color on your screen for a wow effect.
- Filmmaker Mode: Watch films just how the directors envisioned them with automatic preservation of the director’s original colors, settings and frame rates for a true at-home cinematic experience.
- Powerful Gameplay: Experience real-time action with virtually no tearing from FreeSync, VRR, GeForce NOW and Xbox Cloud Gaming.¹¹ Plus, the LG Game Optimizer, Game Dashboard and four HDMI 2.0 ports get you (and keep you) in the action.
- TV Mirroring: Apple AirPlay 2 and Google Cast allow you to display the content from your smartphone, tablet, or computer directly onto your TV screen. Whether you're watching videos, playing games, or sharing photos, TV mirroring provides a larger, more immersive viewing experience.
- 4K UHD TV: Everything you need to bring your favorite content to life with the power of 4K and the extras you crave.
- Alpha 7 AI Processor Gen8: Enhanced brightness, improved sound, refined picture detail with 4K upscaling* and dynamic tone mapping. It all comes together for a thrilling watching experience powered by the Alpha 7 AI Processor Gen8.
- WebOS: No matter which TV you choose, your LG TV makes it easier than ever to find what you need and more. Browse all your favorite streaming apps and more.⁸
- LG Channels: Get instant access to over 300 free channels,⁹ including movies, breaking news, sports and more. Discover and enjoy premium new entertainment with nothing more than an internet connection, app subscriptions not needed.
- WebOS Re:New Program: With LG’s Re:New Program enjoy new software updates and feature refreshes for up to 5 years. This ensures your TV's OS will be compatible with new feature updates and system refreshes.¹⁰
- Personalized Search & Recommendations: Set your personalized picture and audio settings. The personalized picture & sound wizard uses AI technology to analyze your favorite images and sound clips to create a personalized picture and audio experience tailored for you.
- HDR10 Pro: HDR10 Pro delivers a dramatic visual experience and elevated picture quality by enhancing each color on your screen for a wow effect.
- Filmmaker Mode: Watch films just how the directors envisioned them with automatic preservation of the director’s original colors, settings and frame rates for a true at-home cinematic experience.
- Powerful Gameplay: Experience real-time action with virtually no tearing from FreeSync, VRR, GeForce NOW and Xbox Cloud Gaming.¹¹ Plus, the LG Game Optimizer, Game Dashboard and four HDMI 2.0 ports get you (and keep you) in the action.
- TV Mirroring: Apple AirPlay 2 and Google Cast allow you to display the content from your smartphone, tablet, or computer directly onto your TV screen. Whether you're watching videos, playing games, or sharing photos, TV mirroring provides a larger, more immersive viewing experience.
Whats Included
- 43UA7700PUB
- Standard Remote
- Remote Control Batteries (AAA x 2)
- Power Cable (attached)
- Quick Start Guide
- 43UA7700PUB
- Standard Remote
- Remote Control Batteries (AAA x 2)
- Power Cable (attached)
- Quick Start Guide
Product Manuals
Documents
- Energy_Guide_PDF
- Energy_Guide_PDF
Disclaimers
- Web-based services and content require high-speed Internet service. Some services may require a subscription.
- ¹Internet connection and subscriptions to streaming services are required; number of LG Channels subject to change.
- ²Subscription and compatible gaming controller are required.
- ³Image quality of upscaled content will vary based on source resolution.
- ⁴Internet connection and subscriptions to streaming services required.
- ⁵Internet connection required; number of LG Channels subject to change.
- ⁶Software update will automatically download. Consumers who disable “auto-update” will receive a pop-up notification to accept or deny software update.
- ⁷Subscription and compatible gaming controller are required.
- Google is a trademark of Google LLC. Google Assistant is not available in certain languages and countries. Apple, the Apple logo and HomeKit are trademarks of Apple Inc., registered in the U.S. and other countries.
- Web-based services and content require high-speed Internet service. Some services may require a subscription.
- ¹Internet connection and subscriptions to streaming services are required; number of LG Channels subject to change.
- ²Subscription and compatible gaming controller are required.
- ³Image quality of upscaled content will vary based on source resolution.
- ⁴Internet connection and subscriptions to streaming services required.
- ⁵Internet connection required; number of LG Channels subject to change.
- ⁶Software update will automatically download. Consumers who disable “auto-update” will receive a pop-up notification to accept or deny software update.
- ⁷Subscription and compatible gaming controller are required.
- Google is a trademark of Google LLC. Google Assistant is not available in certain languages and countries. Apple, the Apple logo and HomeKit are trademarks of Apple Inc., registered in the U.S. and other countries.
A: You just set your apps up and they stay logged in through the WiFi!
Q: Can i hook my laptop up to this to use as a monitor
A: Hi there, Bill. Thank you for sharing your experience with us. We understand your inquiry regarding the connectivity features of the 43UA7700AUA. To answer your question, yes, you can connect your laptop to this TV to use it as a monitor. The unit is equipped with 3 HDMI ports that allow for a direct cable connection. Additionally, it features Apple AirPlay 2 and Google Cast built-in, which allow for wireless screen mirroring depending on your laptop type. Your feedback is important, and we'd like to assist you further. https://www.bestbuy.com/product/lg-43-class-ua77-series-led-ai-4k-uhd-smart-webos-tv-2025/JJ8VPZT652 If you have any further questions about its features, please contact us on [email protected], and our team will be more than happy to assist you. —Renzo
Q: Will Magic Remote work with this TV? And if so, which magic remote works with this TV?
A: The LG 43” Class UA77 Series LED AI 4K UHD Smart webOS TV (2025), Model # 43UA7700PUB is compatible with the 2025 LG Magic Remote, Model # MR25GN, which must be purchased separately...^Ivan.
Q: Why does a red led stay on when the tv is turned ogg
A: The red light on the LG 43” Class UA77 Series LED AI 4K UHD Smart webOS TV (2025), Model # 43UA7700PUB is a 'Standby' light. When a TV is plugged in but not turned on, it typically enters standby mode, allowing it to consume less energy while still being responsive to remote controls. This means that while the TV is not fully powered down, it can be quickly awakened by pressing the power button. Check the settings menu on the TV to see if there is a Standby LIght setting that turns it off. Turn on the TV and press the [Settings] button on your TV remote. Select [All Settings] in the [Settings] menu. Select [General] and then [System]. Select [Additional Settings]. Select [Standby Light] to toggle it on or off...^Ivan.
Q: Does this tv have a sleep setting
A: Hi there, Nan. Thank you for your inquiry regarding the LG 43UA7700AUA. We understand you are asking if this model includes a sleep setting. Yes, this TV is equipped with a Sleep Timer function, which allows you to set the TV to turn off automatically after a specific amount of time. You can access this feature through the General or System settings in the TV's menu. https://www.bestbuy.com/product/lg-43-class-ua77-series-led-ai-4k-uhd-smart-webos-tv-2025/JJ8VPZT652 If you have any further questions about its features, please contact us on [email protected], and our team will be more than happy to assist you. —Renzo
A: Hello there, Lucyloo. Thank you for reaching out regarding your LG 43UA7700AUA 4K UHD TV. We understand your inquiry about the setup process. You generally do not need professional assistance to hook up your TV. The unit is designed for an easy setup, allowing you to connect to your Comcast Wi-Fi and access your streaming services directly through the webOS interface using the included Magic Remote. The on-screen guide will walk you through the steps to get connected quickly. https://www.bestbuy.com/product/lg-43-class-ua77-series-led-ai-4k-uhd-smart-webos-tv-2025/JJ8VPZT652 If you would like guidance during the setup, please contact us on [email protected], and our team will be more than happy to assist you. —Renzo
Q: Can you get Hulu on this tv?
A: Yes
A: Hello there, Char. Thank you for your inquiry regarding the 43UA7700AUA model. We understand your inquiry about the weight of the unit. We can confirm that the TV weighs 16.1 lbs without the stand and 16.3 lbs with the stand. https://www.bestbuy.com/product/lg-43-class-ua77-series-led-ai-4k-uhd-smart-webos-tv-2025/JJ8VPZT652 If you have any further questions about its features, please contact us on [email protected], and our team will be more than happy to assist you. —Renzo
Compare similar products
Bring home 4K resolution in an impressive range of screen sizes with LG UHD TVs. Enjoy swift, easy browsing and tons of personalized recommendations including over 300 free LG Channels.¹ Spend less time searching and more time streaming with LG webOS 25. Focus on the screen with a slim and simple-to-mount design for a stylish view no matter where you hang it. For gamers, you can quickly customize your gaming experience in one location with the LG Game Optimizer. And, with GeForce NOW & Xbox Cloud Gaming included, you can automatically stream and get in the game.²
Bring home 4K resolution in an impressive range of screen sizes with LG UHD TVs. Enjoy swift, easy browsing and tons of personalized recommendations including over 300 free LG Channels.¹ Spend less time searching and more time streaming with LG webOS 25. Focus on the screen with a slim and simple-to-mount design for a stylish view no matter where you hang it. For gamers, you can quickly customize your gaming experience in one location with the LG Game Optimizer. And, with GeForce NOW & Xbox Cloud Gaming included, you can automatically stream and get in the game.²
Upgrade your home theater with this stylish 4K TV featuring vibrant colors, rich contrast and an advanced 4K processor. Stay endlessly entertained with thousands of on demand shows and movies for free and enjoy peace of mind as watch thanks to our proprietary triple layer security that protects your personal data across all connected devices at once.
LG QNED AI 4K TV's deliver vibrant colorful images for an immersive viewing experience. HDR10 Pro delivers a dramatic visual experience and elevated picture quality by enhancing each color on your screen for a "wow" effect. You'll enjoy outstanding picture powered by the Alpha 7 AI Processor Gen8, which uses AI to detect what you're watching and automatically improves the picture and sound quality. You'll also experience less searching and more streaming, thanks to LG’s award-winning Smart TV platform: webOS.¹ For gamers, you can quickly customize your gaming experience in one location with the LG Game Optimizer. And, with GeForce NOW & Xbox Cloud Gaming included, you can quickly stream and get int your favorite apps.²
| Pros for LG - 43” Class UA77 Series LED AI 4K UHD Smart webOS TV (2025) | |||
|---|---|---|---|
| Picture Quality, Size, Ease of Use, Weight, Setup | Picture Quality, Size, Setup Ease, App Availability, Durability | There were no pros for this product— | Picture Quality, Size |
| Cons for LG - 43” Class UA77 Series LED AI 4K UHD Smart webOS TV (2025) | |||
| There were no cons for this product— | Button Layout | There were no cons for this product— | There were no cons for this product— |
Specs
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Reviews
Customers are saying
Customers have good things to say about the picture quality of the 43” Class UA77 Series LED AI 4K UHD Smart webOS TV (2025), frequently praising its excellent image. The TV's ease of use and lightweight design also receive positive feedback, with users highlighting the simple setup and convenient size. Many appreciate the television's manageable weight, making it easy to wall-mount or place. The size of the TV is also considered ideal for various spaces.
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
- Rated 5 out of 5 stars
Great tv
This was the perfect size tv for my basement. The picture is perfect and the features make this tv a must buy. I've since added the updated smart remote with voice recognition which makes it easier to use now.
Posted by
- Rated 5 out of 5 stars
LG tv
Great product! Easy set up, great picture. Smart TV for an incredible price! One thing that is great is this tv is super light weight, might weigh 10 pounds max!
Posted by AnthonyM
- Rated 5 out of 5 stars
Satisfied TV
I have been using my tv for weeks now no complain the sized feet with in my bedroom perfect the pictuer and color look perfect
Posted by Lin50
