LG 42 Inch OLED42C55LA Smart 4K UHD HDR OLED TV
756/7948£847.99
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About this product
Experience cinema-quality visuals with this LG 42 Inch Smart TV using OLED evo technology for perfect contrast and 100% colour accuracy in films and games. Every pixel is self-lit, delivering sharp details and true-to-life images. The alpha9 Gen8 AI 4K processor upscales content while the Brightness Booster ensures bright, vivid pictures in any lighting. Dolby Vision, HDR10 and HLG add depth and realism, and the 120Hz motion rate keeps fast action smooth.
WebOS smart platform offers endless entertainment from Netflix, Disney, BBC iPlayer, Prime Video, Now TV, and YouTube. All content is browsed easily with the included AI Magic Remote. Dolby Atmos delivers immersive 20W sound, while voice control via Alexa and Google Assistant makes finding content effortless. With 4 HDMI ports, 3 USB connections, built-in Wi-Fi, and Bluetooth, you're set for connectivity. The ultra-slim design weighs 10.1kg with its stand and fits 300x200 wall brackets, blending elegantly into any room. Includes remote with batteries, power cable, stand and screws.
Model number: OLED42C55LA.
2025 model.
Dimensions and Weight
- Screen size: 42 inches.
- Size of TV H54, W93.2, D4.11cm.
- Size of TV with stand: H57.7, W93.2, D17cm.
- Width of TV stand 71.8cm.
- Weight of TV without stand 9.8kg (unpackaged).
- Weight of TV with stand 10.1kg.
- Suitable for wall mounting 300 x 200 bracket.
- Length of cable: 1.5m.
- Packaged size H66, W106, D15.2cm.
- Packaged weight 12.7kg.
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.
- 20 watt RMS power output.
Connectivity
- 3 USB ports and 4 HDMI sockets.
- Headphone socket.
- 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 required.
Energy efficiency information:
- Energy efficiency class: G.
- Energy consumption per 1000h: 52kWh.
- Energy consumption in high dynamic mode per 1000h: 91kWh.
- Annual power consumption 72.28kWh.
- 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: 8806096369395.
Returns
If you want us to collect an unwanted small item after delivery, it costs £3.95 or you can return it to any store for free. You won’t be charged if the item is faulty, or if it was delivered by a supplier.
Energy efficiency information:
4.9
1391 reviews
97%
Recommended this product
Customers Say
LG C5 OLED TVs offer stunning picture quality with deep blacks, vibrant colors, and smooth motion. They are praised for gaming performance, sleek design, and ease of use. Sound quality is generally good but sometimes considered average.
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.
Great tv. Good price
[This review was collected as part of a promotion.] Great tv at a great price. Picture quality is excellent. Fits perfect in my lounge, with everyone able to view wherever they are sitting. Sound is great. Easy to set up and use.fully recommend this product. Been using it for over a month.
Terry lcfc, Leicestershire
LG OLED TV
[This review was collected as part of a promotion.] Our LG c5 is a brilliant tv, extraordinary screen quality and brightness. Very fast, great sound, it's an outstanding piece of technology in our living room.
Greta, Drogheda
Cinematic Perfection in a 48-Inch Screen! ⭐⭐⭐⭐⭐
[This review was collected as part of a promotion.] The LG 48-inch C5 OLED is an absolutely stunning television. The picture quality is remarkably crisp, with pure ink-blacks and vibrant colours that give movies and standard TV shows a beautiful, lifelike depth.Setting up the built-in wireless internet was incredibly quick and easy. The smart menus are smooth to navigate, and the magic remote is very simple to use. It is a fantastic, premium screen that makes everything you watch look like a real cinema experience. Highly recommended!
Coral M
Great
[This review was collected as part of a promotion.] The C5 55-inch OLED is an exceptional television model.
Jay o malley, Ireland
Perfect display for gaming
[This review was collected as part of a promotion.] Fantastic quality, perfect for immersive gameplay, even in a bright room!
James82
An exceptional piece of technology
[This review was collected as part of a promotion.] This is by far the best tv I’ve ever had. Would highly recommend watching dark scenes on it as the dark aspects of the screen are captured beautifully.
null
LG C5 exceptional TV
[This review was collected as part of a promotion.] I originally had a CX 48 and it was a great TV, we moved and i needed a bigger TV but couldn't warrant the cost of the OLED at the time, was one of my biggest regrets, as we went for a QLED and i missed having the OLED. Then after just over two years the QLED broke and it was an opportunity to get an OLED again and the C5 55 was available at a great price and a has provide to be significant upgrade over both the QLED but also the CX. Love the TV and the quality, will never go back to anything else!
JamieB88
48 OLED TV
[This review was collected as part of a promotion.] Exellent product. Perfect visuals and amazing sound.
Toby74, Cornwall
Wonderful OLED TV from 2025 lineup
[This review was collected as part of a promotion.] I purchased the 55 inch version for our living room and very impressed with the picture and operating system. Our principal bedroom TV then decided to stop working, so decided upon the 48inch version too. Not disappointed! The picture in UHD with Dolby Vision and Dolby Atmos is superb
GMPi, East Sussex
Great value, bright screen
[This review was collected as part of a promotion.] My first OLED TV purchase, and I cannot fault it. Great price and value for money, excellent sharp and bright display. Highly recommend
MarkB8
Hello there,
The LG 42 Inch OLED42C55LA Smart 4K UHD HDR OLED TV
The connectivity of the item is mentioned below -
3 USB ports and 4 HDMI sockets.
Headphone socket.
AV socket.
Optical connection.
Thanks for using Q&A
Hello Link,
LG 48 Inch OLED48C55LA Smart 4K UHD HDR OLED TV - No, the stand is completely fixed and cannot revolve.
Thanks for using Q&A
Hello there,
The supplier has advised the following for the LG 55inch OLED55C55LA Smart 4K UHD HDR OLED TV:
"The HDMI ports are located on the back of the TV that are side facing, the same with the USB's."
Thank you for using Q&A.
Hello Shoska,
This does not include an aerial lead
Thanks for using Q&A.
Hello John,
I can advise the following for the LG 65 Inch OLED65C55LA Smart 4K UHD HDR OLED TV:
HDMI Audio Return Channel: eARC (HDMI 2).
Thanks for using Q&A.
Hello Bunty.
After checking with our supplier, they have advised for LG 42 Inch OLED42C55LA Smart 4K UHD HDR OLED TV.
Having investigated this, the TV does not offer a feature to disable the screen independently of the audio.
Thank you for using Q & A.
Hello there.
The supplier has confirmed. The LG 42 Inch OLED42C55LA Smart 4K UHD HDR OLED TV does not have an anti-glare screen. Instead, it features self-lit OLED technology, which allows for perfect contrast and deep blacks, enhancing the viewing experience in various lighting conditions.
Thank you for using Q&A
Hello there,
After checking with our supplier, they have advised for the LG 55 Inch OLED55C55LA Smart 4K UHD HDR OLED TV: This unit supports freeview.
Thank you for using Q&A.
if you get it from LG online you can get 100 off and Free disposal I did
Hello Polo,
I can advise the following for the LG 48 Inch OLED48C55LA Smart 4K UHD HDR OLED TV:
Apologies, we don't offer collection of the older TV as a Service, please contact your local council for information on WEEE services.
Thanks for using Q & A.
Hi Georgie,
LG 42 Inch OLED42C55LA Smart 4K UHD HDR OLED TV 756/7948
From the details we have in the description I can advise this comes with:
Manufacturer's 1 year guarantee.
Thank you for using Q&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.