XIAOMI L55MB-FIN

Xiaomi FX Ultra HD 4K Smart LED Fire TV (Model L55MB-FIN, 55-inch) User Manual

Model: L55MB-FIN

1. Introduction

This manual provides essential information for setting up, operating, and maintaining your Xiaomi FX Ultra HD 4K Smart LED Fire TV. Please read this manual thoroughly before using the television to ensure proper function and safety. Keep this manual for future reference.

Xiaomi FX Ultra HD 4K Smart LED Fire TV, front view

Image: Front view of the Xiaomi FX Ultra HD 4K Smart LED Fire TV.

2. Package Contents

Verify that all items listed below are included in your television package. If any items are missing or damaged, please contact customer support.

  • 1 x Xiaomi FX Ultra HD 4K Smart LED Fire TV Unit
  • 1 x Remote Control
  • 2 x AAA Batteries (for remote control)
  • 1 x Power Cord
  • 2 x TV Stands
  • 4 x Screws (for TV stands)
Diagram showing all items included in the Xiaomi TV package: TV unit, remote control, AAA batteries, power cord, two stands, and four screws.

Image: Illustration of the television unit and its accessories included in the box.

3. Physical Setup

3.1 Installing the TV Stands

  1. Carefully place the TV screen-down on a soft, flat surface to prevent damage.
  2. Align each stand with the corresponding slots on the bottom of the TV.
  3. Secure each stand with the provided screws. Ensure they are tightened firmly.
  4. Carefully lift the TV and place it on a stable, level surface.

3.2 Wall Mounting (Optional)

If you choose to wall mount your television, ensure you use a compatible VESA wall mount kit (sold separately) and follow the instructions provided with the wall mount. Professional installation is recommended for wall mounting.

3.3 Connecting Power

  1. Connect the power cord to the power input port on the back of the TV.
  2. Plug the other end of the power cord into a suitable electrical outlet.

4. Connectivity

Your Xiaomi Fire TV offers various ports for connecting external devices.

Diagram illustrating the various connectivity ports on the back of the Xiaomi TV, including Optical, 3.5mm Earphone Jack, AV Input, HDMI (with eARC), USB 2.0, Network (Ethernet), and Antenna inputs.

Image: Overview of the television's connectivity ports.

  • HDMI Ports (x3, 1 with eARC): Connect set-top boxes, Blu-ray players, gaming consoles, or other HDMI-enabled devices. The eARC port supports enhanced audio return channel functionality.
  • USB Ports (x2, USB 2.0): Connect USB storage devices for media playback or other USB peripherals.
  • Network (Ethernet): For a wired internet connection.
  • Optical: Digital audio output for connecting to soundbars or home theater systems.
  • 3.5mm Earphone Jack: For connecting headphones or external speakers.
  • AV Input: For connecting older devices using composite video and stereo audio cables.
  • Antenna (x2): For connecting terrestrial or cable TV antennas.
  • Bluetooth: For wireless connection to compatible devices like headphones or game controllers.
  • Built-in Wi-Fi: For wireless internet access.

5. Initial Setup & Smart Features

5.1 First-Time Power On and Remote Pairing

  1. Insert the provided AAA batteries into the remote control.
  2. Press the power button on the remote or the TV.
  3. Follow the on-screen instructions to pair your remote control via Bluetooth.
  4. Select your language, region, and connect to your Wi-Fi network.
  5. Sign in with your Amazon account to activate Fire TV features.
Image of the Xiaomi Fire TV remote control, highlighting the Alexa voice button and dedicated buttons for Prime Video, Netflix, YouTube, Amazon Music, Apps, Internet, and Live TV.

Image: The all-new remote control with quick access buttons and Alexa voice assistant.

5.2 Fire TV Built-In

Your television features Fire TV built-in, providing access to a wide range of streaming services and applications. The intuitive interface allows for easy navigation and content discovery.

5.3 Voice Remote with Alexa

Use the voice remote to control your TV and access content with Alexa. Press the microphone button on your remote and speak your commands.

A person sitting on a couch, using the voice remote to ask Alexa to 'show me funny movies of Shah Rukh Khan' on the Xiaomi Fire TV screen.

Image: Using Alexa voice commands to find content on the Fire TV.

5.4 Supported Applications

Access popular streaming services such as Prime Video, Netflix, Disney+ Hotstar, YouTube, and over 12,000 other applications available from the Fire TV App Store.

5.5 DTH Set-Top Box Integration

Integrate your DTH set-top box to seamlessly switch between DTH TV channels and OTT apps directly from the Fire TV home screen.

5.6 Picture-in-Picture (PIP) Mode

The Picture-in-Picture mode allows you to monitor an Alexa-compatible camera feed from your home without interrupting your current viewing experience.

The Xiaomi Fire TV screen displaying a main movie with a smaller window in the corner showing a live feed from an Alexa-compatible camera, demonstrating Picture-in-Picture mode.

Image: Picture-in-Picture mode displaying a camera feed while watching content.

6. Display & Audio Features

6.1 4K Ultra HD Display

Experience content in 4K Ultra HD resolution (3840 x 2160 pixels), offering four times the detail of Full HD for crystal-clear clarity.

6.2 HDR10 and HLG Support

High Dynamic Range (HDR10) and Hybrid Log-Gamma (HLG) support enhance contrast, brightness, and color accuracy, providing a more immersive viewing experience with sharper details and richer colors.

Comparison image showing a scene with and without HDR10, demonstrating how HDR10 enriches details, contrasts, and colors.

Image: Visual comparison of HDR10 enhancing picture quality.

6.3 Wide Color Gamut (DCI P3 Min 92%, Typ. 94%)

The display supports a wide color gamut, reproducing over 1.07 billion colors with high accuracy (94% DCI-P3 typical), resulting in vibrant and lifelike images.

Diagram illustrating the concept of Wide Color Gamut, showing a broader spectrum of colors (1.07 Billion Colours, 94% DCI-P3) that the TV can display.

Image: Representation of the television's wide color gamut capabilities.

6.4 Reality Flow MEMC

Motion Estimation, Motion Compensation (MEMC) technology enhances motion clarity, reducing blur in fast-moving scenes for a smoother viewing experience.

6.5 Vivid Picture Engine

The Vivid Picture Engine optimizes image quality for enhanced brightness, contrast, and color saturation.

6.6 Filmmaker Mode

Filmmaker Mode disables post-processing effects, preserving the original colors, aspect ratios, and frame rates as intended by the creators for an authentic cinematic experience.

The Xiaomi Fire TV screen displaying a scene from a movie with 'Filmmaker Mode' icon, indicating that post-processing effects are turned off for an authentic cinematic experience.

Image: Filmmaker Mode preserving original content quality.

6.7 120Hz Game Booster

For compatible content, the 120Hz Game Booster automatically increases the refresh rate from 60Hz to 120Hz, providing ultra-low latency and a more responsive gaming experience. This feature is available in the 55-inch variant.

A person playing a racing video game on the Xiaomi Fire TV, with '120Hz Game Booster' text, illustrating enhanced refresh rate for gaming.

Image: 120Hz Game Booster in action, enhancing gaming fluidity.

6.8 Cinematic Audio (30 Watts Output)

The television features 30 Watts output speakers with Dolby Audio, DTS-X, and DTS Virtual:X support, delivering immersive and high-quality sound.

The Xiaomi Fire TV displaying a wave, with icons for '30W Box Speakers', 'Dolby Audio', 'DTS-X', and 'DTS Virtual:X', illustrating the cinematic audio features.

Image: Cinematic Audio features with Dolby Audio and DTS technologies.

7. Specifications

7.1 General Specifications

FeatureDetail
BrandXIAOMI
ModelL55MB-FIN
Model NameFX
Model Year2025
Operating SystemFire OS 8
Memory Storage Capacity32 GB
RAM Memory Installed Size2 GB
Graphics CoprocessorMali-G52 MC1
Country of OriginIndia

7.2 Display Specifications

FeatureDetail
Screen Size55 Inches (138 cm)
Display TechnologyLED
Resolution4K Ultra HD (3840x2160 Pixels)
Refresh Rate60 Hz (up to 120Hz with Game Booster)
Display TypeHDR 10
Viewing Angle178 Degrees
Response Time6.5 Milliseconds
Image Aspect Ratio16:09
Special FeaturesBezel-Less Design, Eye Comfort Mode, Wide Viewing Angle

7.3 Audio Specifications

FeatureDetail
Speakers Maximum Output Power30 Watts
Speaker Surround Sound Channel ConfigurationDolby Audio
Supported Audio FormatsDolby/DTS/MP3/FLAC/AAC/OGG/ADPCM/OPUS
Audio Output ModeSurround

7.4 Connectivity Specifications

FeatureDetail
HDMI Ports3 (1 with eARC)
USB Ports2 (USB 2.0)
Wireless ConnectivityBuilt-in Wi-Fi, Bluetooth
Wired ConnectivityEthernet
Other ConnectorsOptical, 3.5mm Earphone Out, AV Input, Antenna (x2)

7.5 Dimensions & Weight

FeatureDetail
Product Dimensions (D x W x H)7.6 x 122.6 x 71.7 cm
Item Weight9.1 kg
Diagram showing the dimensions of the Xiaomi Fire TV: 1226mm width, 711mm height (without stand), 770mm height (with stand), 76mm depth, and 312mm stand depth. Also lists weight without base as 9.1KG and weight including packing as 13KG.

Image: Physical dimensions and weight of the television.

7.6 Power & Energy Consumption

FeatureDetail
Power SourceAC
Voltage110 Volts
On-mode Power Consumption110 watts
Annual Energy Consumption190.0 Kilowatt Hours Per Year (based on 4 hours/day, 365 days)
Energy Savings Guide label for the Xiaomi L55MB-FIN TV, showing an annual energy consumption of 190 kWh/Year and a 5-star rating.

Image: Energy efficiency label for the television.

8. Maintenance

8.1 Cleaning the Screen

To clean the screen, gently wipe it with a soft, lint-free cloth. For stubborn marks, lightly dampen the cloth with water or a screen-specific cleaning solution. Avoid using harsh chemicals, abrasive materials, or spraying liquid directly onto the screen.

8.2 Cleaning the TV Body

Wipe the TV body and stand with a soft, dry cloth. Do not use solvents or abrasive cleaners.

8.3 General Care

  • Avoid placing the TV in direct sunlight or near heat sources.
  • Ensure adequate ventilation around the TV.
  • Protect the TV from moisture and dust.
  • Unplug the TV during lightning storms or when unused for extended periods.

9. Troubleshooting

If you encounter issues with your television, refer to the following common problems and solutions before contacting support.

ProblemPossible Solution
No powerEnsure the power cord is securely plugged into both the TV and the electrical outlet. Check if the outlet is working by plugging in another device.
No picture, but sound is presentCheck the input source. Ensure external devices are properly connected and powered on. Try restarting the TV.
No sound, but picture is presentCheck the volume level and ensure the TV is not muted. Verify audio cables for external devices. Check TV audio output settings.
Remote control not workingReplace the batteries. Ensure there are no obstructions between the remote and the TV. Re-pair the remote if it uses Bluetooth.
Cannot connect to Wi-FiEnsure your Wi-Fi router is on and working. Re-enter the Wi-Fi password. Try restarting both the TV and the router.
Apps are slow or freezingClose unused applications. Clear app caches. Ensure a stable internet connection. Restart the TV.

10. Warranty Information

Your Xiaomi FX Ultra HD 4K Smart LED Fire TV comes with a 1-Year Comprehensive Warranty. This warranty covers manufacturing defects and malfunctions under normal use conditions.

Important Notes:

  • Any physical damages to the unit are not covered under this warranty.
  • To avail brand warranty services, please retain your Amazon invoice as proof of purchase.
  • Extended warranty plans may be available for purchase separately.

11. Support

For further assistance, technical support, or warranty claims, please contact Xiaomi customer service. You may also find additional resources and the latest version of the user manual on the official Xiaomi website.

For information regarding OTTplay subscription offers, please refer to the QR code provided with your product or visit the relevant promotional page: https://qr-codes.io/sbzPOa

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