Amazon 4K55N400A
Contents
Amazon Fire TV 55" 4-Series 4K UHD Smart TV
User Manual
Introduction
Welcome to the user manual for your new Amazon Fire TV 55" 4-Series 4K UHD Smart TV. This manual provides essential information for setting up, operating, and maintaining your television, ensuring you get the most out of its features.
The Amazon Fire TV 4-Series offers a stunning 4K Ultra HD display with HDR10 and HLG support for vivid colors and clarity. It integrates the Fire TV experience directly, providing access to a vast library of streaming content, live TV, and the convenience of Alexa voice control.

Image: Amazon Fire TV 4-Series displaying vibrant picture quality with vivid color, brightness, and clarity.
What's in the Box
Before you begin, please verify that all components are present in the packaging:
- Fire TV 4-Series 55" Television
- Fire TV Alexa Voice Remote Enhanced
- Power Cord
- 4 Screws for stand assembly
- TV Stand (2 legs)
- Quick Start Guide
- 2 AAA Batteries for the remote

Image: Diagram showing the contents included in the box, such as the TV, remote, power cord, screws, and TV stand legs, along with the TV's dimensions.
Setup
1. Attaching the TV Stand
- Carefully place the TV screen-down on a soft, clean surface to prevent scratches.
- Align each TV stand leg with the corresponding slots on the bottom of the TV.
- Secure each leg with the provided screws.
Alternatively, you can mount the TV to a wall using a VESA-compatible wall mount (300 mm x 300 mm, sold separately).
2. Connecting Peripherals
Connect your devices to the appropriate ports on the back of the TV. The Fire TV 4-Series includes:
- HDMI Ports: 3 HDMI 2.0 ports and 1 HDMI 2.1 port with eARC for high-definition video and audio.
- Ethernet Port: For a wired internet connection.
- USB Port: For connecting USB devices.
- Digital Optical Audio Output: For connecting to soundbars or audio receivers.
- Cable/Antenna Input: For connecting an antenna or cable TV.

Image: Close-up view of the Amazon Fire TV's rear ports, including Ethernet, HDMI, HDMI eARC/ARC, Cable/Antenna, USB, IR Emitter, Headphone, and Optical audio outputs.
3. Powering On and Initial Setup
- Connect the power cord to the TV and then to a power outlet.
- Insert the included AAA batteries into the Alexa Voice Remote Enhanced.
- Press the power button on the remote or the TV.
- Follow the on-screen instructions to select your language, connect to your Wi-Fi network (or use Ethernet), and sign in to your Amazon account.
- The TV will guide you through pairing the remote and setting up live TV channels if an antenna is connected.
Operating Your Fire TV
Using the Alexa Voice Remote Enhanced
The included Alexa Voice Remote Enhanced allows you to easily navigate the Fire TV interface, launch apps, and control content using voice commands.
- Voice Control: Press and hold the Alexa button (microphone icon) and speak your command, such as "Alexa, find fantasy movies about dragons" or "Alexa, open Netflix."
- Navigation: Use the directional pad to move through menus and select items.
- Home Button: Returns you to the Fire TV home screen.
- Back Button: Goes back to the previous screen.
- Menu Button: Accesses contextual options within apps.
- Volume Controls: Adjusts the TV volume.
- App Buttons: Dedicated buttons for popular streaming services (e.g., Prime Video, Netflix, Disney+).

Image: The Alexa Voice Remote Enhanced surrounded by logos of various streaming services like Max, Apple TV, Disney+, and Prime Video, illustrating its function in accessing content.
Streaming and Content Access
Your Fire TV provides access to over 1.5 million movies and TV episodes. You can stream from popular services like Netflix, Prime Video, Disney+, and more (subscription fees may apply). You can also watch live and free TV, play video games, and stream music.
The Fire TV interface is designed for easy content discovery. The home screen features personalized recommendations, recently watched content, and quick access to your favorite apps.
Connectivity
The Amazon Fire TV 4-Series offers robust connectivity options:
- Wi-Fi: Supports wireless internet connection for streaming and updates.
- Ethernet: Provides a stable wired internet connection.
- HDMI: Four HDMI inputs (3 x HDMI 2.0, 1 x HDMI 2.1 with eARC) for connecting gaming consoles, Blu-ray players, soundbars, and other devices.
- USB: One USB port for connecting external storage or other USB devices.
- Bluetooth 5.0: Allows pairing with Bluetooth-compatible headphones for private listening, or other Bluetooth accessories.
- Digital Optical Audio Output: For high-quality audio output to external sound systems.
- AirPlay: Use AirPlay to share videos, photos, and more from compatible Apple devices (sold separately) to your TV.
Troubleshooting
If you encounter issues with your Fire TV, try the following common troubleshooting steps:
- No Power: Ensure the power cord is securely connected to both the TV and the power outlet. Try a different outlet.
- No Picture/Sound:
- Check HDMI cable connections for external devices.
- Verify the correct input source is selected on the TV.
- Ensure TV volume is not muted or too low.
- Remote Not Responding:
- Replace the AAA batteries in the remote.
- Re-pair the remote by holding the Home button for 10 seconds.
- Network Connection Issues:
- Restart your Wi-Fi router and modem.
- Go to TV Settings > Network and try reconnecting to your Wi-Fi network.
- If using Ethernet, ensure the cable is securely connected.
- Slow Performance:
- Restart the TV by unplugging it from the power outlet for 30 seconds and plugging it back in.
- Clear cache for problematic apps via TV Settings > Applications > Manage Installed Applications.
Specifications
| Feature | Detail |
|---|---|
| Resolution | 3840 x 2160 (4K UHD) |
| High Dynamic Range (HDR) format | HDR10, HLG |
| Backlight type | Direct LED |
| Refresh rate | 60Hz |
| Screen size | 55" (Viewable display size: 54.6") |
| HDMI ports | 3 HDMI 2.0 + 1 HDMI 2.1 with eARC |
| Ethernet | 1 Ethernet port |
| USB | 1 USB port |
| Digital Optical Audio Output | 1 Digital Optical Audio Port |
| Voice support | Yes, with Fire TV Alexa Voice Remote Enhanced or free Fire TV app |
| Audio support | Dolby Digital Plus with passthrough of Dolby-encoded audio |
| Audio power | 8W + 8W |
| Operating System | Fire OS |
| Product size without stand | 48.6" x 28.3" x 3.6" |
| Weight (without stand) | 25 lb |
| VESA Wall Mount Standard | 300 mm x 300 mm |
| SKU number | 4K55N400A |
| Connectivity | Wifi or Ethernet |
| Alexa Voice Remote Enhanced Batteries | 2 AAA required (included) |
| Alexa Voice Remote Enhanced Technology | Bluetooth 5.0 |
Maintenance
To ensure the longevity and optimal performance of your Fire TV, follow these maintenance guidelines:
- Cleaning the Screen: Gently wipe the screen with a soft, dry, lint-free cloth. For stubborn smudges, lightly dampen the cloth with water or a screen-cleaning solution specifically designed for electronics. Do not spray liquid directly onto the screen.
- Cleaning the TV Body: Use a soft, dry cloth to wipe down the frame and back of the TV.
- Ventilation: Ensure the ventilation openings on the back of the TV are not blocked. Adequate airflow is crucial to prevent overheating.
- Power Off When Not in Use: For extended periods of inactivity, it is recommended to power off the TV and unplug it from the wall outlet.
Warranty and Support
Product Warranty
Your Amazon Fire TV 4-Series 55" comes with a 1-year limited warranty and service included. An optional 4-Year Extended Warranty is available for U.S. customers, sold separately.
The Alexa Voice Remote Enhanced has a 90-day limited warranty and service included.
Use of Fire TV is subject to the terms found on the Amazon website.
Software Security Updates
This device receives guaranteed software security updates until at least four years after the device is last available for purchase as a new unit on Amazon websites. For information specific to your device, visit Manage Your Content and Devices on Amazon.
Customer Support
For further assistance, troubleshooting, or to explore more information about your Fire TV 4-Series, please refer to the official Amazon support resources. You can typically find support contact information and detailed FAQs on the Amazon website under the "Customer Support" section.
For general inquiries or to manage your Amazon devices, visit Amazon.com/your-devices.
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