Soundbar offer - 50% off selected Soundbars with this TV. Click here.
Streaming week - Get apps and subscriptions worth up to £220. Redeem via the LG webOS smart platform on your LG TV. Offer ends 6th of October. Learn more. Terms apply.
Wall mount bracket is not included with this TV. If required, it must be purchased separately. Wall mount installation service available for this TV at additional cost. (bracket must be available on the day of installation). Terms apply.
55 Inch LG UHD AI UT81 4K Smart TV 2024
A vibrantly colored, long stretch of hardwood flooring is displayed on an LG UHD TV.
*Screen image simulated.
Enter a world where every colour pops and brightness is fine-tuned for breathtaking views, all achieved by brilliant HDR10 Pro.
*HDR10 Pro is a technology developed by LG Electronics based on the standardized picture quality of standard 'HDR10'.
Smart alpha 5 AI Processor 4K Gen7 auto-optimizes audio and brightness, for full immersion in action.
Two square images are shown in a horizontal row. In the first image on the left, the alpha 5 AI Processor 4K Gen7 chip is shown with yellow light emanating from underneath. The second image on the right, LG QNED89, QNED90 and QNED99 TVs are shown in order from left to right. Each TV shows a colorful splash and the words "Ultra Big TV" are shown above the TVs.
*Screen image simulated.
Come day or night, Brightness Control detects the light in your space and balances the picture accordingly for crisp and clear visuals.
Night
Day
LG TV as sound bubbles and waves emit from the screen and fill the space.
A man riding a motorbike on a dirt track with bright circle graphics around the motorbike.
LG TV showing musicians performing, with bright circle graphics around the space.
*Screen images simulated.
**Must be activated through the sound mode menu.
***Sound may vary according to the listening environment.
webOS Re:New Program logo is against a black background with a yellow and orange, purple circular sphere at the bottom.
*The webOS Re:New Program supports a total of 4 webOS upgrades over five years.
**The five-year upgrade threshold for the webOS Re:New Program is the global launch of a new product.
***The first upgrade to webOS will occur two years from the time of purchase.
****Customers receive 5 versions of webOS including the current version at point of purchase.
*****Upgrades are available for 2022 release models including all OLED and 8K QNEDs, and models released after 2023 include UHD, NanoCell, QNED and OLED.
******Features are subject to change and some feature, application, and service updates may vary by model.
webOS 24
Experience TV that's made for you with My Profile, AI Concierge, and Quick Cards.
*Supported menus and apps may vary by country and be different upon release.
**Keyword recommendations vary according to the app and time of day and are only provided in countries that support NLP in their native language.
***Applied to OLED/QNED/NanoCell/UHD model manufactured in the year of 2023 and after.
****A total of 4 upgrades will be provided in the 5 year period, and the schedule may vary depending on the region or country. The security update is supported until: 31/12/2028.
*****Screen images simulated.
A rhinoceros in a safari setting is shown on an Ultra Big LG TV, mounted on the brown wall of a living room surrounded by cream-colored modular furniture.
*Soundbar can be purchased separately, and Soundbar Mode Control may vary by model.
**LG TV Remote usage is limited to certain features only.
***Please note that the service may not be available at the time of purchase. A network connection is required for updates.
****UHD is compatible for WOW interface.
Filmmaker Mode™
Immerse yourself in the most authentic cut. FILMMAKER Mode delivers movies just as the director intended with precise settings.
An image of a man in a dark editing studio looking at an LG TV displaying the sunset. On the right bottom of the image is a FILMMAKER Mode logo.
*Screen images simulated.
**FILMMAKER Mode is a trademark of UHD Alliance, Inc.
Home Cinema Experience
Movie theater ambience, recreated at home. HDR10 Pro ensures every film is presented in true glory, with exceptionally accurate colour and contrast for more immersive cinematic viewings.
An image of a family sat on the floor of a low-lit living room by a small table, looking up at an LG TV mounted on the wall showing the Earth from space.
*HDR10 Pro is a technology developed by LG Electronics based on the standardized picture quality of standard 'HDR10'.
Powerful Gameplay
Immersive HGiG play stays smooth at high-speed with ALLM, and eARC ensures it all sounds amazing.
A car racing game on the finish line, with the sign saying 'WIN!', as the player clenches on to the game joystick. ALLM, eARC, HGiG logo are placed on the bottom left corner.
*HGiG is a volunteer group of companies from the game and TV display industries that meet to specify and make available for the public guidelines to improve consumer gaming experiences in HDR.
**Support for HGiG may vary by country.
Don't pause to use Game Optimizer and Game Dashboard.
An image of two gaming scenes. One shows an FPS game with the Game Dashboard appearing over the screen during gameplay. The other screen shows a dark, wintery scene with the Game Optimizer menu appearing over the game.
*Game Dashboard is activated only when both "Game Optimizer" and "Game Dashboard" is on.
**Screen images simulated.
Thousands of gaming universes right at your fingertips. Explore an epic library of cloud gaming titles and stream them immediately without ever wasting play time on downloads or updates.
An image of the Boosteroid home screen showing "Trine 4: The Nightmare Price" and another image of GeForce NOW home screen showing five different game thumbnails.
*Supported partnerships may differ by country.
**GeForce NOW subscription may be required.
***Boosteroid subscription may be required.
Display Type
4K UHD LED
Refresh Rate
60Hz Native
Picture Processor
α5 AI Processor 4K Gen7
HDR (High Dynamic Range)
HDR10 / HLG
Audio Output
20W
Speaker System
2.0 channel
TV Dimensions without Stand (WxHxD)
1235 x 715 x 57.5
TV Weight without Stand
14.0
Display Type
4K UHD LED
Display Resolution
4K Ultra HD (3,840 x 2,160)
Backlight Type
Direct
Refresh Rate
60Hz Native
AI Brightness Control
Yes
Picture Processor
α5 AI Processor 4K Gen7
HDR (High Dynamic Range)
HDR10 / HLG
AI Upscaling
4K Upscaling
FILMMAKER MODE™
Yes
Dynamic Tone Mapping
Yes
Picture Mode
9 modes (Vivid, Standard, APS(Auto Power Save), Cinema, Sports, Game, Filmmaker, (ISF)Expert(Bright Room), (ISF)Expert(Dark Room))
HGIG Mode
Yes
Game Optimiser
Yes (Game Dashboard)
ALLM (Auto Low Latency Mode)
Yes
Operating System (OS)
webOS 24
ThinQ
Yes
USB Camera Compatible
Yes
Works with Apple Airplay2
Yes
Family Settings
Yes
Amazon Alexa
Yes (Built-in)
Full Web Browser
Yes
Intelligent Voice Recognition
Yes
LG Channels
Yes
Magic Remote Control
Built-In
Smartphone Remote App
Yes (LG ThinQ)
The security update is supported until
31/12/2028
LG Sound Sync
Yes
Sound Mode Share
Yes
Simultaneous Audio Output
Yes
Bluetooth Surround Ready
Yes (2 Way Playback)
AI Sound
AI Sound Pro (Virtual 9.1.2 Up-mix)
Clear Voice Pro
Yes (Auto Volume Leveling)
Audio Output
20W
AI Acoustic Tuning
Yes
Audio Codec
AC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X (Refer to manual)
Speaker Direction
Down Firing
Speaker System
2.0 channel
SPDIF (Optical Digital Audio Out)
1ea
Simplink (HDMI CEC)
Yes
HDMI Audio Return Channel
eARC (HDMI 2)
Bluetooth Support
Yes (v 5.0)
Ethernet Input
1ea
HDMI Input
3ea (supports eARC, ALLM)
CI Slot
1ea
RF Input (Antenna/Cable)
x2
USB Input
x2 (v 2.0)
Wi-Fi
Yes (Wi-Fi 5)
High Contrast
Yes
Gray Scale
Yes
Invert Colors
Yes
TV Dimensions without Stand (WxHxD)
1235 x 715 x 57.5
Packaging Dimensions (WxHxD)
1360 x 810 x 207
Packaging Weight (kg)
20.3
TV Dimensions with Stand (WxHxD)
1235 x 787 x 260
TV Stand (WxD)
819 x 260
TV Weight without Stand
14.0
TV Weight with Stand
15.4
VESA Mounting (WxH)
300 x 300
EAN Code (Barcode)
8806084568731
Power Supply (Voltage, Hz)
AC 100~240V 50-60Hz
Standby Power Consumption
Under 0.5W
Remote
Magic Remote MR24
Power Cable
Yes (Detachable)
Remote Control Batteries
Yes (AA x 2)
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Find manual, troubleshoot and warranty of your LG product.
Track your order and check order FAQ.
Repair request service conveniently online.
Soundbar offer - 50% off selected Soundbars with this TV. Click here.
Streaming week - Get apps and subscriptions worth up to £220. Redeem via the LG webOS smart platform on your LG TV. Offer ends 6th of October. Learn more. Terms apply.
Wall mount bracket is not included with this TV. If required, it must be purchased separately. Wall mount installation service available for this TV at additional cost. (bracket must be available on the day of installation). Terms apply.
Add items to your MY LG wishlist
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