2. /
  3. Televisions
  4. /
  5. OLED
  6. /
  7. LG OLED
  8. /
  9. LG 77 Inch OLED
  10. /
  11. LG OLED77B42LA

£2299.00

£3499.00

RGB Direct

In Stock

LG OLED77B42LA 77 Smart 4K Ultra HD HDR OLED TV with Amazon Alexa The ideal TV upgradeIf you are looking to upgrade your 55 or 65 inch LED TV, the LG OLED77B42LA makes a brilliant choice for a whole raft of reasons. The first thing you will notice is the 77 inch screen – big enough to make everything you watch a cinematic experience.

Available Offers

RGB Direct Free 5 Year Warranty - Registration by RGB with Domestic and General, T&C Apply

Warranty Info

1 Year Manufacturer Warranty Inc.

Extend Your Warranty

5 year Retra Smartcare Gold Plan for your product (accidental damage cover)

£276.21

3 year Retra Smartcare Gold Plan for your product (accidental damage cover)

£142.02

LG OLED77B42LA 77" 4K OLED Smart TV

£2299.00

  • LG OLED77B42LA 77 Smart 4K Ultra HD HDR OLED TV with Amazon Alexa
  • The ideal TV upgradeIf you are looking to upgrade your 55 or 65 inch LED TV, the LG OLED77B42LA makes a brilliant choice for a whole raft of reasons. The first thing you will notice is the 77 inch screen – big enough to make everything you watch a cinematic experience.
  • OLED screen tech ensures that the picture isnt just big, but supremely natural and crystal-clear, too. With the latest in gaming tech and Smart TV, you will also experience the most responsive game play and seamless box-set searching.
  • SELF-LIT OLED – for the best in consistent colour and contrastRather than using a backlight, OLED TVs feature self-illuminating pixels. The SELF-LIT technology means that this LG 77 inch TV delivers 100% colour fidelity, infinite contrast with the deepest depth and stunning detail.
  • Cinematic with moviesIf you are mad about movies, you will love this LGs incredible colour definition and cinematic realism. With its brighter screen and host of HDR enhancements, including Dolby Vision, it delivers one of the most lifelike movie sensations that you will witness outside of the cinema.
  • For the very best experience, Filmmaker Mode lets you enjoy the cinematic vision, exactly as the director intended, right down to using the correct aspect ratio, colour and frame rate.
  • Better than ever for gamingWith four HDMI 2.1 compatible sockets, the LG OLED77B42LA is better equipped for gaming than ever. Game Optimiser and Dashboard lets you tailor the image to suit the game type and more. With support for NVIDIA G-SYNC and AMD FreeSync, as well as ALLM (Auto Low Latency Mode) and VRR (Variable Refresh Rate), you get to experience the smoothest and most responsive game play possible.
  • Optimise the audio with Sound Mode ShareTapping into the powerful processor, LGs Sound Mode Share function combines the audio systems from this TV and a compatible LG soundbar. The result is optimised sound with crystal-clear dialogue combined with explosive sound effects and punchy soundtracks.
  • webOS 24 - the smartest operating system made betterOne of the smartest and most popular TV operating systems has become smarter still for 24. With up to 10 password-protected accounts, each with Picture Wizard AI, everyone in the household can now enjoy their favourite picture settings, without having to recalibrate the TV each time they sign in.
  • Stream your way – now including ChromecastLGs webOS 24 system lets you directly access catch-up TV apps for a wide range of entertainment options, but it’s not the only way to stream content. This LG TV now also features Chromecast built-in. Alongside integrated AirPlay 2 and Miracast, it gives you multiple options as to how you want to stream content to your TV.
  • Ready to assistFeaturing support for Google Assistant and Amazon Alexa built-in, voice command makes it even easier to control your TV and quickly access the entertainment you are looking for. This LG OLED TV is also compatible with Apple AirPlay 2 and HomeKit, for a seamless experience for Apple users.
  • Also known as OLED77B42LA.AEK , 77B42LA , OLED77
Make LG
Colour Rocky Black
Screen Size (Inches) 77
Display Type 4K OLED
Screen Resolution 3840 x 2160
Quad Core Processor a8 AI Processor 4K
HDR Format Dolby Vision, HDR10+, HLG
Operating System WebOS
Energy Rating F
Power Consumption 0.5 W
Refresh Rate 120Hz
Smart TV yes
TV Definition 4K Ultra HD
HDMI Ports 4
USB Ports 2
Wi-Fi Yes
Ethernet Yes
Bluetooth Bluetooth 5.1
Digital Tuner Freeview HD / Freesat HD
Speakers 2
Weight With Stand (Kg) 23.5
Weight Without Stand (Kg) 22.9
Dimensions with Stand (WxHxD) 1719 x 1057 x 319
Dimensions without Stand (WxHxD) 1719 x 989 x 51

Please login to write a review

Not yet Reviewed. Be the first to Write a review

Buy Now Pay December 2025

Pay an initial 10% Deposit of £229.90. A £29 settlement fee is payable at the time of final payment. With the low cost early repayment option - the interest will be waived if you pay the loan off in full within the 12 month period .Alternatively after holiday period (12 months), Pay £80.53 per month for 48 months typical 24.9% APR to settle the balance of £2069.10

Finance available at checkout

(For selected online purchases over \A3220 only)

Click here for T&C and more information

Interest Bearing Credit Finance 36 Months

Pay an initial 10 % Deposit of £229.90. Pay £75.10 per month for 36 months typical 19.9% APR to settle the balance of £2069.10

Finance available at checkout

(For selected online purchases over \A3220 only)

Click here for T&C and more information

May We Suggest

RGB PSGL0045 37"-70" High Strength, Wobble-Free Wall Mount
RGB PSGL0045 37"-70" High Strength, Wobble-Free Wall Mount

£19.99

Vivanco PRO14HDHD 1.5M HDMI Cable High Speed
Vivanco PRO14HDHD 1.5M HDMI Cable High Speed

£9.99