1. Introduction
Welcome to the user manual for your new Xiaomi FX Ultra HD 4K Smart LED Fire TV. This manual provides essential information for setting up, operating, and maintaining your television. Please read it thoroughly to ensure proper use and to maximize your viewing experience.

Front view of the Xiaomi FX Ultra HD 4K Smart LED Fire TV.
2. What's in the Box
Carefully unpack your television and check that all the following items are included:
- 1 x Xiaomi FX Ultra HD 4K Smart LED Fire TV Unit
- 1 x Remote Control
- 4 x Screws (for stand assembly)
- 2 x TV Stands
- 2 x AAA Batteries (for remote control)
- 1 x Power Cord

Illustration of the items included in the TV packaging.
3. Setup
3.1. Attaching the TV Stands
- Place the TV face down on a soft, flat surface to prevent screen damage.
- Align each stand with the corresponding slots on the bottom of the TV.
- Secure the stands using the provided screws.
3.2. Wall Mounting (Optional)
If you prefer to wall mount your TV, please consult a professional installer. Ensure the wall mount bracket is compatible with VESA standards for your TV model (refer to specifications for VESA dimensions).
3.3. Connecting Power
Plug the power cord into the TV's power input, then plug the other end into a wall outlet. The TV will enter standby mode.
3.4. Initial Setup
Upon first power-on, follow the on-screen instructions to:
- Select your language.
- Connect to your Wi-Fi network.
- Sign in to your Amazon account for Fire TV features.
- Scan for available channels (if using an antenna).
4. Connectivity
Your Xiaomi FX TV offers a variety of ports for connecting external devices:
- HDMI Ports (3, with 1 eARC): Connect set-top boxes, Blu-ray players, gaming consoles, and soundbars. The eARC port supports enhanced audio return channel for high-quality audio.
- USB Ports (2 x USB 2.0): Connect hard drives, USB flash drives, or other USB devices for media playback.
- Ethernet (Network) Port: For a stable wired internet connection.
- Optical Audio Output: For connecting to external audio systems with optical input.
- 3.5mm Earphone Jack: For connecting headphones or external speakers.
- AV Input (1): For connecting older devices using composite video and stereo audio cables.
- Antenna Inputs (2): For connecting terrestrial or cable TV antennas.

Detailed view of the connectivity ports on the back of the TV.
Wireless Connectivity:
- Built-in Wi-Fi: Connects to your home wireless network for internet access and streaming.
- Bluetooth: For connecting wireless accessories like headphones or game controllers.
5. Operating Instructions
5.1. Remote Control
The included remote control provides full access to your TV's features. It includes dedicated buttons for popular streaming services and an Alexa Voice Assistant button.

The all-new remote control for your Xiaomi Fire TV, featuring quick access buttons and Alexa voice control.
5.2. Basic Operations
- Power On/Off: Press the power button on the remote.
- Volume Control: Use the Volume Up/Down buttons.
- Input Source: Press the Input button to switch between HDMI, AV, and other sources.
- Navigation: Use the directional pad and OK button to navigate menus and select items.
- Home Screen: Press the Home button to return to the Fire TV home screen.
6. Smart TV Features (Fire TV Built-In)
Your Xiaomi TV comes with Fire TV built-in, offering a seamless smart TV experience.
- Supported Apps: Access a vast library of apps including Prime Video, Netflix, Disney+ Hotstar, YouTube, and over 12,000+ apps from the App Store.
- Voice Remote with Alexa: Use your voice to quickly find, launch, and control content. Simply press the Alexa button and speak your command.
- DTH Set-Top Box Integration: Seamlessly switch between DTH TV Channels and OTT apps directly from the home screen.
- Picture-in-Picture (PIP) Mode: Check any Alexa-compatible camera in your home without pausing your current show.
- 32GB Internal Storage: Download and store all your favorite apps and content.

The Fire TV interface provides access to a wide range of streaming applications.

Picture-in-Picture mode allows monitoring other feeds while watching content.
7. Display and Audio Features
7.1. Display
- 4K Ultra HD (3840 x 2160) Resolution: Delivers incredibly sharp and detailed images.
- HDR10 & HLG Support: Enhances contrast, brightness, and color for a more lifelike picture.
- Vivid Picture Engine: Optimizes picture quality for vibrant and accurate colors.
- Reality Flow MEMC: Motion Estimation, Motion Compensation technology for smoother motion in fast-paced scenes.
- DCI P3 Min 92%, Typ. 94%: Wide Color Gamut for a broader range of colors.
- Filmmaker Mode: Turns off post-processing effects, preserving original colors and contrast for an authentic cinematic experience.
- Bezel-Less Design: Offers an immersive viewing experience with minimal borders.

HDR10 enriches scenes with sharper details, deeper contrasts, and rich colors.

Filmmaker Mode preserves the original artistic intent of content creators.
7.2. Audio
- 24 Watts Output: Powerful stereo speakers for clear and dynamic sound.
- Dolby Audio: Delivers rich, clear, and powerful sound.
- DTS-X & DTS Virtual:X: Provides immersive, multi-dimensional audio.

Experience cinematic audio with 24W box speakers and Dolby Audio, DTS-X, and DTS Virtual:X technologies.
8. Maintenance
Proper maintenance ensures the longevity and optimal performance of your TV.
- Cleaning the Screen: Gently wipe the screen with a soft, lint-free cloth. For stubborn marks, slightly dampen the cloth with water or a specialized screen cleaner. Never spray liquid directly onto the screen.
- Cleaning the Frame: Use a soft, dry cloth to wipe the TV frame and stand.
- Ventilation: Ensure the ventilation openings on the back of the TV are not blocked to prevent overheating.
- Power Cord: Regularly check the power cord for any damage.
- Storage: If storing the TV for an extended period, cover it to protect from dust and store in a dry, cool place.
9. Troubleshooting
This section addresses common issues you might encounter with your TV.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cord not connected; Power outlet not working | Ensure power cord is securely plugged in; Test outlet with another device |
| No picture, but sound is present | Incorrect input source selected; Loose HDMI/AV cable | Press the Input button to select correct source; Check cable connections |
| No sound, but picture is present | Volume muted or too low; External audio system issues | Unmute volume or increase level; Check external audio system connections/settings |
| Remote control not working | Batteries are dead or incorrectly inserted; Obstruction between remote and TV | Replace batteries; Ensure clear line of sight to TV's IR receiver |
| Smart TV features not working / Wi-Fi issues | No internet connection; Router issues | Check Wi-Fi connection in settings; Restart router and TV |
If the problem persists after trying these solutions, please contact Xiaomi customer support.
10. Specifications
| Feature | Detail |
|---|---|
| Brand | Xiaomi |
| Model | L43MB-FIN |
| Screen Size | 43 Inches (108 cm) |
| Resolution | 4K Ultra HD (3840 x 2160) |
| Refresh Rate | 60 Hertz |
| Display Technology | LED, HDR 10 |
| Operating System | Fire OS 8 |
| Memory Storage Capacity | 32 GB |
| RAM Memory Installed Size | 2 GB |
| Graphics Coprocessor | Mali-G52 MC1 |
| Sound Output | 24 Watts |
| Audio Technologies | Dolby Audio, DTS-X, DTS Virtual:X |
| HDMI Ports | 3 (1 eARC) |
| USB Ports | 2 (USB 2.0) |
| Connectivity | Wi-Fi, Bluetooth, Ethernet |
| Viewing Angle | 178 Degrees |
| Product Dimensions (LxWxH) | 95.7 x 7.2 x 56.3 cm (without stand) |
| Item Weight | 5.9 kg |
| Power Consumption (On-mode) | 75 watts |

Physical dimensions and weight of the Xiaomi FX TV.

Energy efficiency label indicating annual energy consumption.
11. Warranty and Support
Your Xiaomi FX Ultra HD 4K Smart LED Fire TV comes with a 1-year comprehensive warranty plus a 1-year extended warranty from the date of purchase. The extended warranty activates instantly.
For warranty details and concerns, please contact Xiaomi brand support. You can avail of the warranty using your Amazon invoice.
Additional information and the user manual can also be accessed from the official Xiaomi brand website.

Information regarding the 1-year extended warranty for the TV.