55" LG OLED55C57LA
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55" LG OLED55C57LA
LG OLED55C57LA Smart TV
55″ OLED TV LG OLED55C57LA with 4K resolution and an AI processor
The LG OLED55C57LA is a smart OLED TV with a 139cm (55″) screen size and high 4K Ultra HD resolution. Its 100/120Hz refresh rate is easy on the eyes and ensures a smooth picture; Game Mode increases the refresh rate to up to 144Hz. Performance is driven by the alpha 9 AI GEN8 processor with a host of features and certifications – for example, UL Perfect Black, which confirms superior picture quality. Control is provided by a remote control with AI elements for easier use of the LG TV. When idle, LG Gallery+ mode turns the screen into a personalised art canvas with the ability to integrate your own photos or videos with musical accompaniment. Built-in 40W speakers combined with AI provide a virtual 11.1.2 channel sound system, and when connected to a soundbar, further enhance the experience of watching sports, films or playing games. ²⁰ Dolby Atmos and Dolby Vision technologies contribute significantly to the high quality of both picture and sound. The webOS operating system provides updates for up to five years. ⁹ The Home Hub platform serves as a centre for controlling your smart home. ¹⁹ The LG OLED55C57LA Smart TV has an ultra-slim design and can be wall-mounted, improving aesthetics and saving space in the room. ¹⁵ With a consumption of 77–191kWh/1,000h, it falls into energy class F.
55" / OLED
screen size / Display Technology
4K Ultra HD / 100–120Hz
Resolution / Frequency
webOS
Operating System
40W
Sound Power
300×200
VESA
Key Features of the 55" LG OLED55C57LA Smart TV
- OLED panel with a 55″ (139cm) screen size
- 4K Ultra HD resolution (3,840 × 2,160px)
- The LG OLED55C57LA features the alpha 9 AI GEN8 processor
- 100/120Hz refresh rate, Game Mode up to 144Hz
- Dolby Vision and Dolby Atmos technology
- webOS operating system with Re:New program (up to 5 years of updates)
- 40W 2.2 speakers with virtual 11.1.2 sound option
- AI Magic Remote with voice control
- LG Gallery+ mode for displaying works of art and photos
- G-Sync, AMD FreeSync Premium, VRR support
- Cloud gaming capability (GeForce NOW, Xbox, Luna, etc.)
- Multi View function for displaying multiple sources simultaneously
- Wall-mountable smart TV with VESA mount to save space
- Google Cast and Apple AirPlay integration
- Energy class F (77–191kWh/1,000h)
Alpha 9 AI GEN8 Processor and Technology for Superior OLED Picture
The SMART OLED TV is equipped with the alpha 9 AI GEN8 processor, which upscales the picture resolution to 4K quality with rich colours and high brightness. Artificial intelligence recognises objects with pixel precision and optimises the picture for an undisturbed viewing experience. ¹ The Brightness Booster feature provides up to three times brighter picture. ² Superior quality is declared by UL Perfect Black, Perfect Colour and TÜV Rheinland True Visual Experience with Indoor Lighting certifications for watching TV during the day, at night and in the dark. ³ AI Super Upscaling and OLED Dynamic Tone Mapping features analyse each pixel and increase the resolution, brightness, depth and clarity of the image. ⁴
Smart TV with AI Magic Remote and webOS smart features
The TV includes an AI Magic Remote with AI integration. ²¹ The next-generation remote eliminates the need for an additional device – a motion sensor and scroll button partially replace the work of a classic mouse. Voice commands are also available. ⁴ AI features include:
- AI Voice ID ⁵ – recognises the user based on their voice and offers personalised recommendations
- AI Search ⁶ – Microsoft Copilot allows you to get more results and solutions
- AI Chatbot ⁷ – assistance with setup and troubleshooting
- AI Concierge ⁸ – personalised keywords and recommendations based on search and viewing history
- AI Picture Wizard – algorithms learn your preferences from 1.6 billion picture options
- AI Sound Wizard – create a sound profile from over 40 million parameters
- “Hi LG” – activates voice commands
LG Gallery+ turns the TV into a digital canvas with personalised content
When you're not watching TV, the screen can transform into a living art canvas with impressive scenery and videos. ¹⁰ Thanks to personalisation, you can choose exactly the type of content you want to display. You can add pre-set music to the picture or connect a mobile device via Bluetooth. The feature can also be used to display photos and videos taken with your smartphone. ¹¹ A personalised control panel creates an environment similar to a smartphone or tablet. Widgets can display things like the weather, the current time, sports scores or your Google Calendar. ¹² Smart features include Always Ready, AI Brightness Control and a motion sensor. ¹³
LG OLED55C57LA has 40W speakers with AI and a virtual 11.1.2 system
The OLED55C57LA features 40W speakers (2.2) and uses AI Voice Remastering technology to help create a balanced sound environment. The technology can extract voices, music and sound effects and then optimise the sound to be as clear as possible. Dynamic Sound Booster uses the power of the AI processor for an even more pronounced sound. It uses deep learning to create a virtual 11.1.2 channel system that can fill the entire room with sound. ¹⁴
Connectivity of the LG OLED55C57LA Smart TV
The LG Smart TV offers a diverse range of connections:
- 3× USB 2.0
- HDMI Audio Return Channel – (HDMI eARC 2)
- 4× HDMI 2.1
- Bluetooth 5.3
- CI Slot 1
- Wi-Fi 6
- LAN connector
- Simplink (HDMI CEC)
- 2× RF input (antenna/cable)
Multi View, LG Channels and smart content sharing
The LG Smart TV offers a wide range of entertainment options thanks to the Multi View feature, which allows you to mirror various devices via Google Cast or AirPlay. ¹⁶ For example, you can split the screen into two parts and watch multiple sources simultaneously. Another feature is LG Channels – a streaming service offering a variety of live and on-demand channels.
Smart TV with 4K 120Hz Game Mode, VRR and cloud gaming
The LG Smart TV offers the ability to play thousands of games via LG TV with access to GeForce NOW, Amazon Luna, Blacknut, Boosteroid and Xbox. You can use a gamepad or the remote control to play. The LG OLED55C57LA enables cloud gaming in 4K resolution at 120Hz with HDR support and GeForce RTX 5080 graphics performance. The quality gaming experience is enhanced by compatibility with G-Sync, 144Hz VRR, a low 0.1ms response time with Intertek certification, AMD FreeSync Premium and ClearMR 9000 certification. ¹⁷
Dolby Vision and Dolby Atmos technology for a cinematic experience
The LG OLED55C57LA Smart TV extends the viewing possibilities with a range of modern technologies and features. They allow you to enjoy films, series and sports broadcasts in various lighting conditions during the day and evening. Dolby Vision, Dolby Atmos and Ambient FILMMAKER MODE play a significant role, preserving the filmmakers' cinematic intent. ¹⁸
¹ Compared to the same-year α7 Gen8 4K AI processor, based on an internal specification comparison.
² Brightness may vary depending on model, screen size, and market region.
³ LG's OLED display has been tested by UL for perfect black, measured by the IDMS 11.5 circular light reflection method, based on typical indoor lighting (200 lux to 500 lux). LG's OLED displays are UL tested for perfect colour and meet IDMS 11.5 standards for circular light reflection. The LG 2025 65-inch M5/G5/C5/B5 TVs have received TUV certification for a “true visual experience with indoor lighting”. TUV's True Visual Experience certification means that the product has achieved the highest rating of “Perfect” in all five metrics of environmental visual quality (blackness, vividness, perceived contrast length, gradation accuracy, and ambient contrast modulation) in a test according to IDMS 11.5 circular light reflection standards up to 500 lux. LG's OLED display has been tested by UL for perfect black, measured by the IDMS 11.5 circular light reflection method, based on typical indoor lighting (200 lux to 500 lux). Actual performance may vary depending on ambient lighting and viewing environment. LG's OLED displays are UL tested for perfect colour and meet IDMS 11.5 standards for circular light reflection. The LG 2025 65-inch M5/G5/C5/B5 TVs have received TUV certification for a “true visual experience with indoor lighting”. TUV's True Visual Experience certification means that the product has achieved the highest rating of “Perfect” in all five measurements of visual quality at ambient temperature (blackness, vividness, perceptual contrast length, gradation accuracy, and ambient contrast modulation) when tested according to IDMS 11.5 circular light reflection standards up to 500 lux. LG OLED TVs have been certified by eyesafe® as models with a circadian performance factor. The image is simulated for illustrative purposes. “100% colour accuracy” and “100% DCI-P3 colour volume” apply to 2025 OLED TVs. LG's OLED displays are UL tested for perfect colour and meet IDMS 11.5 standards for circular light reflection. The LG OLED display is certified by Intertek for 100% colour accuracy, measured according to the CIE DE2000 standard with 125 colour samples. The display's colour gamut volume (CGV) meets or exceeds the CGV of the DCI-P3 colour space, which has been independently verified by Intertek.
⁴ The “AI Picture Pro” application does not work with copyrighted content in OTT services. The picture quality of enhanced content depends on the resolution of the input source.
⁵ Depending on the region and network connection, limited or restricted content may be displayed. Voice ID support may vary by region or country and is available for OLED, QNED, NanoCell and UHD TVs launched from 2024. It only works with apps that support the Voice ID account.
⁶ The AI Search feature is available on OLED, QNED, NanoCell and UHD TVs released from 2024. The US and Korea use the LLM model. An internet connection is required.
⁷ An internet connection is required. The AI Chatbot feature is only available in countries that support NLP in their native language. The AI Chatbot can be linked to customer service.
⁸ Supported menus and apps may vary by country. The menus displayed may differ at launch. Keyword recommendations vary by application and time of day.
⁹ The webOS Re:New Program applies to 2025 OLED/QNED/NanoCell/UHD TVs. The webOS Re:New Program supports a total of four upgrades over five years, with the threshold being the pre-installed version of webOS and the upgrade schedule varying from the end of the month to the beginning of the year. Updates and schedules for some features, apps, and services may vary by model and region. Upgrades are available for 2022 OLED and 2023 UHD and higher models.
¹⁰ Available content may vary by country. The content provided is subject to change. 4,000 items are only available in countries where the webOS Pay service is supported (Korea, US, UK and selected EU countries). A subscription to LG Gallery+ is required for full access to content and features. The free trial month is offered exclusively to subscribers.
¹¹ The feature works when you are signed into your Google Photos account and have at least 10 photos in the app.
¹² Access to Google Calendar requires a Google account.
¹³ Brightness sensors may vary by model. Motion sensors are only available on M5 and G5 models.
¹⁴ Must be activated in the sound mode menu. Sound may vary depending on the listening environment.
¹⁵ The size of the frame varies depending on the model series and size.
¹⁶ The picture and sound settings are the same on both screens. Apple, the Apple logo, Apple TV, AirPlay and HomeKit are trademarks of Apple Inc. registered in the U.S. and other countries. Support for AirPlay 2, HomeKit, and Google Cast may vary by region and language.
¹⁷ Gaming portal support may vary by country. Support for cloud gaming services and games within the gaming portal may vary by country. Some gaming services may require a subscription and a gamepad. A separate subscription is required. Offers may vary depending on the subscription plan. Only available on LG OLED M5, G5 and C5 (including C5E, C5Z, CS5) and QNED9M models. 144Hz only works with games or PC inputs that support 144Hz. HGiG is a group of voluntary companies from the gaming and TV industries that work together to create and publish guidelines to improve the consumer gaming experience in HDR. HGiG support may vary by country. ClearMR is a VESA certification program for evaluating motion blur on screens. LG OLED displays have been certified by Intertek for a 0.1ms response time (grey-to-grey) and corresponding gaming performance.
¹⁸ Ambient FILMMAKER MODE is a trademark of UHD Alliance, Inc. Ambient FILMMAKER MODE with Dolby Vision is supported. Ambient FILMMAKER mode automatically launches on AppleTV+ and in the Amazon Prime video app.
¹⁹ LG supports “Matter” standard Wi-Fi devices. Supported “Matter” services and features may vary depending on the connected devices. The initial connection of ThinQ and Matter devices should be done through the ThinQ mobile app. Using the hands-free voice feature without a remote control is only possible with the alpha 9 AI and alpha 11 AI processors. It may vary depending on the products and regions.
²⁰ The LG Soundbar can be purchased separately. The sound mode control may vary depending on the model. Please note that the service may not be available at the time of purchase. An internet connection is required for updates. Compatible TV models may vary by region and country. Use of the LG TV remote is limited to certain functions only.
²¹ The design, availability and features of the AI Magic Remote may vary by region and supported language, even for the same model. Some features may require an internet connection. The AI Voice Recognition feature is only provided in countries that support NLP in their native language.
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| Code: | wk6018c58 |
| Links: | Product Fiche Producer's Website: |
| Manufacturer information |
LG electronics INC. Alfred-Herrhausen-Allee 3-5, 65760 Eschborn, Germany, [email protected], +49 6196 7883000 
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