LG 77 Inch OLED77C55LA Smart 4K UHD HDR OLED TV
757/5765£2599.99



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About this product
Using innovative LG OLED evo technology, the LG OLED C5 gives you outstanding picture quality so you can enjoy your favourite films and games like you've never seen them before. With OLED, all of the screen's pixels are self-lit, allowing for perfect contrast, 100% colour accuracy and the sharpest pixel-perfect details. With OLED evo technology – comprising 9 AI processor and Brightness Booster technology - you get even more brightness and sharpness for true brilliance in clarity of content.
Enhanced brightness - Thanks to an advanced Light Boosting Algorithm – Brightness Booster - you can enjoy incredibly bright images, ensuring a stunning picture no matter how bright or dark your room.
LG OLED C5 features the latest 9 AI Processor: the brain of the TV. This advanced processor is made for OLED, intuitively ensures premium picture and sound quality and delivers image enhancement through AI Super Upscaling. It will also upscale audio for a more cinematic experience.
LG OLED C5 features webOS, LG's smart platform, which hosts a huge variety of streaming services, while making browsing and searching for what to watch hassle-free. Controlled with the AI Magic Remote, and opens up a world of information and assistance through a variety of AI-driven services.
Exceptional technology and incredible viewing experiences are expertly housed in an extremely thin and light design. The LG C5 TV merges seamlessly and elegantly into any space in your home.
Model number: OLED77C55LA.
2025 model.
Dimensions and Weight
- Screen size: 77 inches.
- Size of TV H98.2, W171.1, D4.71cm.
- Size of TV with stand: H103.5, W171.1, D26.7cm.
- Width of TV stand 52cm.
- Weight of TV without stand 23.5kg (unpackaged).
- Weight of TV with stand 27.1kg.
- Suitable for wall mounting 300 x 200 bracket.
- Length of cable: 1.5m.
- Packaged size H113, W187.9, D22.8cm.
- Packaged weight 38.5kg.
Screen Technology
- OLED TV Screen.
- 4K Ultra HD display resolution.
- Micro dimming technology improves the contrast by dimming individual sections of the TV screen.
- HDR.
- Dolby Vision.
- HDR10.
- HLG.
- Motion rate 120Hz.
- Resolution 3840 x 2160 pixels.
Sound Technology
- Dolby Atmos sound system.
- 40 watt RMS power output.
Connectivity
- 3 USB ports and 4 HDMI sockets.
- AV socket.
- Optical connection.
- Built in Wi-Fi.
- Ethernet connection.
- Bluetooth.
Smart TV features
- Voice control - works with Amazon Alexa, works with Google assistant, .
- Web OS operating system.
- Compatible with the following smart apps: Now TV, Disney+, Netflix, BBC iPlayer, Amazon Prime, YouTube.
- Internet browser.
- Miracast.
Additional features
- Features USB recording and video playback.
- DVB-T2 digital tuner.
- Alpha9 Gen8 AI 4K processor.
- CI plus slot.
- Sleep timer.
- Parental controls.
- Aerial not required.
Energy efficiency information:
- Energy efficiency class: F.
- Energy consumption per 1000h: 125kWh.
- Energy consumption in high dynamic mode per 1000h: 326kWh.
- Annual power consumption 173.75kWh.
- Standby power consumption 0.5 watt.
In the box
- TV.
- Smart remote control (requires 2 x AA batteries, included).
- Power cable.
- TV stand.
- Screws.
- Also in the box: User manual.
General information:
- Manufacturer's 1 year guarantee.
- EAN: 8806096363508.
Returns
If you want to return your product once it's been successfully delivered, a non-refundable collection charge of £30 will be applied, unless the product is faulty.
More info about our returns policy can be found here.
Energy efficiency information:
4.9
112 reviews
97%
Recommended this product
Customers Say
The LG OLED 77-inch TV impresses with outstanding picture quality, vibrant colors, deep blacks, and excellent gaming performance. The intuitive webOS smart platform and sleek design enhance user experience. Sound is good but could improve with a soundbar.
An AI generated summary based on recent customer reviews
Each review is verified as authentic by our independent third party and we only publish reviews from customers or Argos Testers who have purchased or used the item. Customers are incentivised to submit product reviews as part of a prize draw.
Will not be disappointed
[This review was collected as part of a promotion.] Purchased this TV after recommendation from a friend who knows his stuff. Absolutely love this product. The picture is the most perfect image I have ever experienced and the settings and controls are easy to use. Great value fans excellent quality.
KlTV, Huddersfield
Excellent features
[This review was collected as part of a promotion.] So pleased with this purchase such a good quality and picture
Julesmarie
Great picture
[This review was collected as part of a promotion.] great picture, especially for the football. Films are amazing, so pleased we went for this size too
sportsfan, Huddersfield
Great Colours
[This review was collected as part of a promotion.] Brilliant true colours and easy to stream, Good choice of Apps
Arabella, Brandon
Excellent quality as always with LG OLED
[This review was collected as part of a promotion.] As always with LG OLED's, a great product and the 4th one I've purchased over the last 7 years. I decided to upsize from 55 to 77 inch this time, and it was definitely worth it.
benjy83
Great product
[This review was collected as part of a promotion.] purchased our first oled tv, very happy with the picture quality and super easy to setup
MUNDOMAR
Great Tv
[This review was collected as part of a promotion.] We love our LG Tv! Great picture quality and it looks great in our cinema room.
Jr12
Great Features
[This review was collected as part of a promotion.] Very happy with purchase. We already have the old version and it's been a great tv
Dflong
Great screen
[This review was collected as part of a promotion.] Great TV, fits very flush to the wall, best picture quality I've seen
Steve992
broke already after 3 months
[This review was collected as part of a promotion.] and needs new screen- 2 weeks later still waiting on repair
alan123
Hello there. The LG 77 Inch OLED77C55LA Smart 4K UHD HDR OLED TV has a Manufacturer's 1 year guarantee. Thanks for using Q and A.
The small print
*Prices correct as displayed but are subject to change.
The customer and brand answers you’ll see above are submitted independently. As we don’t review these answers, we can’t take responsibility for anything they may say. The responses from Argos colleagues are accurate at the time of publishing. For the latest info, you should check the product page.