1.08 m (43) U8400F Crystal 4K UHD Smart TV

43U8400FU UA43U8400FULXL

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1.08 m (43) U8400F Crystal 4K UHD Smart TV
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Highlights

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Crystal Processor 4K

Feel every shade of color as intended in powerful 4K

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Endless Free Content

Access [125+] channels for free

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Samsung Knox Security

Your privacy. Secured.

Features

The Best-in-class, crystal clear choice

Key features at a glance



Picture Quality

Feel every shade of color as intended in powerful 4K

Crystal Processor 4K

See every shade of color in all its original glory with our advanced processor. Plus, powerful 4K upscaling ensures you get up to a 4K resolution for the content you love.

A Samsung Crystal UHD Processor 4K chip is laid out on a TV's main board with glowing power lines. A Samsung Crystal UHD Processor 4K chip is laid out on a TV's main board with glowing power lines.

Feel the reality of the world on screen

4K Resolution

Make out the small details in every scene. 4K UHD resolution has 4x more pixels than regular FHD resolution — creating sharp, ultra-realistic images.

Image of an architectural structure in FHD resolution. The image is somewhat clear, but fine details are not visible. Image of an architectural structure in FHD resolution. The image is somewhat clear, but fine details are not visible.
Image of an architectural structure in 4K resolution. The image is incredibly clear, and even fine details are visible. Image of an architectural structure in 4K resolution. The image is incredibly clear, and even fine details are visible.

More about
Picture Quality

Enjoy better contrast with rich darks and bright whites

HDR

High Dynamic Range increases the ratio between the lightest and the darkest regions in a scene, so you can enjoy an enormous spectrum of colors and all the visual details in both bright and dark scenes.

Watch your favorite content in 4K

4K Upscaling

Our powerful 4K upscaling technology ensures you get up to 4K resolution for the content you love.1

Fine-tuned colors for a vibrant, lifelike picture

PurColor

Watch films so vivid that it feels like you're there. PurColor produces a wide range of colors with optimal quality for an immersive, true-to-life experience.

See images come to life with greater depth

Contrast Enhancer

Contrast Enhancer brings flat images to life by adjusting contrast, resulting in deeper depth for outstanding picture quality.



One UI Tizen

Personalize your screen experience

One UI Tizen

One UI Tizen delivers a seamless and consistent Samsung device experience. Our operating system, Samsung Tizen OS, lets you take advantage of the latest innovative Samsung features — including quick access to the content you love, convenient AI management and powerful protection with Samsung Knox Security. Plus, One UI Tizen will support Tizen OS upgrades for next seven years, bringing you the latest apps & services.

Enjoy 7 years of
new TV experiences
for free

Access [125+] channels for free

Endless Free Content
Samsung TV Plus

Who says entertainment comes with a cost? Now, choose from 125+ TV channels- News, Movies, Sports, all for free with Samsung TV Plus on your TV.

Array of screens showing various content. Aerial shot reveals more screens and vast amount of content available. Endless Free Content. Other screens appear. Experience, smart, beyond. Screens move to the side as if scrolled through. TV show, sports, movie, drama, music. Upscale Your Entertainment. Array of screens showing various content. Aerial shot reveals more screens and vast amount of content available. Endless Free Content. Other screens appear. Experience, smart, beyond. Screens move to the side as if scrolled through. TV show, sports, movie, drama, music. Upscale Your Entertainment.

Your privacy. Secured.

Samsung Knox Security

Your privacy is secure on Samsung TVs. Sensitive data like passwords are protected, connected IoT devices are monitored and malicious apps and sites are automatically blocked. Plus, Samsung's security team helps keep your TV safe with constant updates.



Gaming Experience

Improved picture clarity with smooth motion

Motion Xcelerator

Experience a clear picture as your TV estimates the movement between frames, then uses that information to improve motion smoothness for subsequent frames.



Smart Experience

Connect and manage your smart home devices, from your TV

SmartThings

With a built-in smart hub, your TV can connect and control smart devices — even those requiring Matter and HCA compatibility. You can also get notifications about your devices straight from the screen, including a 3D Map View that shows your entire smart home system at a glance.

TV in living room shows SmartThings screen. SmartThings and Matter logos. Icons appear over the connected devices. Zoom in on TV shows SmartThings in different rooms. Focus on light’s status. It goes from Off to On. Blind goes from Off to Opened. Zoom out to show TV displaying smart home info. TV in living room shows SmartThings screen. SmartThings and Matter logos. Icons appear over the connected devices. Zoom in on TV shows SmartThings in different rooms. Focus on light’s status. It goes from Off to On. Blind goes from Off to Opened. Zoom out to show TV displaying smart home info.

More about SmartThings

Elevate your day with curated lifestyle experiences

Samsung Daily+

Find apps and services for health, work and lifestyle on Samsung Daily+. You can access SmartThings, Workout Tracker, karaoke and more, all in one place.2

Control your TV from your phone

Quick Remote

Through your mobile device, you can access key Samsung Tizen TV features such as media, features, ambient mode and menu. Quick Remote can also act as your TV remote, allowing you to change channels, adjust the volume and more right from your phone.3

Easily multitask across screens

Multi Control

Use your mouse to move content across screens or single keyboard to type on multiple devices. Your TV can connect with smart monitors & Galaxy devices into a unified experience - controlled by same mouse, touchpad or keyboard. Thanks to seamless ecosystem, you can easily redefine your everyday life.4

Gesture to control with your watch

Universal Gestures

Easily control your TV with your smartwatch. Just wear your Galaxy Watch and use hand gestures, like pinching to select an option, or moving your wrist back and forth for pause and play.5



Sound

TV and soundbar play together in smooth harmony

Q-Symphony

Surround yourself with beautifully orchestrated sound. Samsung technology syncs the TV and soundbar audio to play simultaneously — without muting the speakers of either device.

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Immersive virtual sound that tracks the action

OTS Lite

3D surround sound with our virtual top channel audio allows you to be immersed in the audio experience.

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Enjoy sound optimized to your content

Adaptive Sound

Adaptive Sound has audio scenic intelligence that optimizes sound based on real-time scene analysis by content type.



Sustainability

Save energy with intelligent analysis

AI Energy Mode

Easily reduce your power consumption by turning on AI Energy Mode. Your TV will auto-adjust its brightness based on the room's lighting and your user activity. It also subtly adjusts brightness during different scenes to save even more energy.

When AI Energy Mode is off, the surroundings around the TV appear bright. A smartphone screen displaying AI Energy Mode pops up, and it switches from Off to On. With adaptive brightness and AI Energy Mode activated, the energy level decreases significantly, and the scale shifts from day to night. When AI Energy Mode is off, the surroundings around the TV appear bright. A smartphone screen displaying AI Energy Mode pops up, and it switches from Off to On. With adaptive brightness and AI Energy Mode activated, the energy level decreases significantly, and the scale shifts from day to night.

Specifications

  • Product Type

    LED

  • Screen Size

    1.08 m

  • Resolution

    4K (3,840 x 2,160)

  • Picture Engine

    Crystal Processor 4K

  • LED

  • Screen Size

    1.08 m

  • Resolution

    4K (3,840 x 2,160)

  • Picture Engine

    Crystal Processor 4K

  • HDR (High Dynamic Range)

    HDR

  • HDR 10+

    Support

  • Contrast

    Mega Contrast

  • Contrast Enhancer

    Yes

  • Motion Technology

    Motion Xcelerator

  • AI Upscale

    4K Upscaling

  • Color Booster

    Yes

  • Filmmaker Mode (FMM)

    Yes

  • Object Tracking Sound

    OTS Lite

  • Q-Symphony

    Yes

  • Sound Output (RMS)

    20W

  • Speaker Type

    2CH

  • Adaptive Sound

    Yes

  • Operating System

    Tizen™ Smart TV

  • Bixby

    Yes

  • Built-in Voice Assistant

    Alexa (IN Only)

  • Works with AI Speaker

    Alexa (IN Only), Google Assistant (IN Only)

  • Samsung TV Plus

    Yes (India Only)

  • SmartThings Hub / Matter Hub / IoT-Sensor Functionality / Quick Remote

    Yes

  • Universal Guide

    Yes (India Only)

  • Multi Device Experience

    Mobile to TV, Sound Mirroring, Wireless TV On

  • Apple AirPlay

    Yes

  • Daily+

    Yes

  • Storage Share

    Yes

  • Auto Game Mode (ALLM)

    Yes

  • VRR

    Yes

  • HGiG

    Yes

  • Digital Broadcasting

    T2CS2

  • Analog Tuner

    Yes

  • TV Key

    Yes

  • Bluetooth

    Yes (BT5.2)

  • HDMI

    3

  • HDMI (High Frame Rate)

    4K 60Hz (for HDMI 1/2/3)

  • HDMI Audio Return Channel

    eARC/ARC

  • USB

    1 x USB-A

  • RF In (Terrestrial / Cable input)

    1/1(Common Use for Terrestrial)/1

  • Design

    Slim Look

  • Bezel Type

    3 Bezel-less

  • Front Colour

    BLACK

  • Stand Type

    NONE

  • EPG

    Yes

  • IP Control

    Yes

  • Accessibillity - Voice Guide

    English (UK),Hindi (India)

  • Power Supply

    AC220-240V~ 50/60Hz

  • Power Consumption (Max)

    110 W

  • Eco Sensor

    Yes

  • Energy Efficiency Class

    1

  • Auto Power Saving

    Yes

  • Package Size (WxHxD)

    1097 x 650 x 123 mm

  • Set Size with Stand (WxHxD)

    N/A x N/A x N/A

  • Set Size without Stand (WxHxD)

    967.5 x 561.4 x 59.7 mm

  • VESA Spec

    20 cm x 20 cm

  • Package Weight

    10.4 kg

  • Set Weight with Stand

    N/A kg

  • Set Weight without Stand

    6.8 kg

  • Remote Controller Model

    TM2280A

  • Full Motion Slim Wall Mount (Y22)

    Yes

  • Zigbee / Thread Module

    Dongle Support

  • User Manual

    Yes

  • Power Cable

    Yes

  • Manufactured by

    Samsung India Electronics Pvt. Ltd. having its Registered Office at: 6th Floor, DLF Centre, Sansad Marg, New Delhi-110001

  • Country of Origin

    India

  • Contact us

    For All Product Related Complaints/assistance, please contact Manager, Customer Care Samsung India Electronics Pvt. Ltd., 6th Floor, DLF Centre, Sansad Marg, New Delhi - 110001 Email us at: support.india@samsung.com Tel (Toll Free): 1800 40 7267864 (1800 40 SAMSUNG)

  • Launch date

    March 24th, 2025

User manual & downloads

User Manual

ver 2508040 | 3.27 MB

Sep 24. 2025

ENGLISH

Download

Remote control

ver 2501220 | 0.13 MB

Mar 18. 2025

ENGLISH

Download

Simple User Guide

ver 2501210 | 0.22 MB

Mar 18. 2025

ENGLISH

Download
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Solutions & Tips

Product support

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Product support

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Images shown here are for representational purpose only, actual may vary. All features, specifications and prices are subject to change without prior notice. Model availability may vary from location to location.