Introduction
This manual provides essential information for setting up, operating, and maintaining your Amazon Fire TV 4-Series 50-inch 4K UHD Smart TV. The Fire TV 4-Series brings vivid 4K Ultra HD, HDR 10, HLG, and Dolby Digital Plus support, offering a clearer and more vibrant picture than 1080p Full HD. Enjoy access to over 1.5 million movies and TV episodes from various streaming services, along with live TV, video games, and music. The integrated Fire TV platform continuously updates with new Alexa skills, features, smart home capabilities, and voice functionality.

Image: Front view of the Amazon Fire TV 4-Series 50-inch 4K UHD Smart TV, showcasing its slim bezel and display.
What's in the Box
Carefully unpack the box and ensure all components are present:
- Fire TV 4-Series 50-inch Television
- Alexa Voice Remote Enhanced
- Power Cord
- 2 AAA Batteries (for remote)
- 4 Screws (for stand attachment)
- TV Stand (2 legs)
- Quick Start Guide

Image: All components included in the Amazon Fire TV 4-Series package, laid out for inspection.
Setup
1. Attaching the TV Stand or Wall Mounting
The TV is designed to be lightweight for easier handling. For the 50-inch model, one person can typically unbox it, but for larger sizes, two people are recommended. The TV stand legs attach easily to the bottom of the television.
- Carefully place the TV screen-down on a soft, clean surface to prevent scratches.
- Align each stand leg with the corresponding slots on the bottom of the TV.
- Secure each leg with the provided screws.
Alternatively, for wall mounting, the TV supports a VESA Wall Mount Standard of 300 mm x 300 mm. Ensure you use a compatible wall mount (sold separately) and follow its installation instructions carefully.

Image: Visual guide to the TV components and stand assembly.
2. Connecting Peripherals
Connect your external devices such as cable boxes, gaming consoles, or sound systems to the appropriate ports on the back and side of the TV. The TV features 3 HDMI 2.0 ports and 1 HDMI 2.1 port with eARC, 1 USB port, 1 Ethernet port, and a Digital Optical Audio Port.

Image: Detailed view of the TV's connectivity ports.
3. Initial Power-On and Network Setup
- Plug the power cord into the TV and then into a wall outlet.
- Insert the two AAA batteries into the Alexa Voice Remote Enhanced.
- Press the power button on the remote to turn on the TV.
- Follow the on-screen prompts to select your language and connect to your Wi-Fi network. You can also use an Ethernet cable for a wired connection.
- The TV may download and install software updates. This process can take 10-15 minutes. Allow it to complete without interruption.
- Sign in with your Amazon account. If you do not have one, you will be prompted to create one.
- Configure any desired parental controls or additional channel subscriptions.
Operating the TV
Basic Navigation
Use the Alexa Voice Remote Enhanced to navigate the Fire TV interface. The remote features a directional pad for menu navigation, a select button, and dedicated buttons for Home, Back, Menu, and various streaming services.
Using Alexa Voice Remote Enhanced
The included Alexa Voice Remote Enhanced allows you to control your TV and access content using voice commands. Press and hold the Alexa button on the remote, then speak your command. You can ask Alexa to:
- Find and launch movies, TV shows, and apps.
- Control playback (play, pause, fast forward, rewind).
- Adjust TV settings like volume and input source.
- Check weather, sports scores, and other information.
- Control compatible smart home devices.
The remote can also control certain functions, such as power and volume, on a wide range of compatible IR-enabled devices, soundbars, and A/V receivers. Note that certain functions may not be available on all IR-enabled devices.
Accessing Content
The Fire TV interface provides access to a vast library of streaming content. Subscription fees may apply for certain services.

Image: Examples of streaming services available on Fire TV.
Connectivity
The Amazon Fire TV 4-Series offers various connectivity options for your home entertainment system:
- HDMI Ports: 3 HDMI 2.0 ports and 1 HDMI 2.1 port with eARC for high-definition audio and video connections.
- Ethernet: 1 Ethernet port for a stable wired internet connection.
- USB: 1 USB port for connecting external storage or other USB devices.
- Digital Optical Audio Output: For connecting to soundbars or audio receivers.
- Wireless Connectivity: Supports Wi-Fi for wireless internet access.
- Bluetooth: Bluetooth 5.0 for connecting compatible accessories like headphones.
Specifications
| Feature | Specification |
|---|---|
| Resolution | 3840 x 2160 (4K UHD) |
| High Dynamic Range (HDR) | HDR 10, HLG |
| Backlight Type | Direct LED |
| Refresh Rate | 60 Hz |
| Screen Size | 50 inches (49.5 inches viewable) |
| HDMI Ports | 3 HDMI 2.0 + 1 HDMI 2.1 with eARC |
| Ethernet Port | 1 |
| USB Port | 1 |
| Audio Support | Dolby Digital Plus with passthrough of Dolby-encoded audio |
| Audio Power | 8W + 8W |
| Operating System | Fire TV OS |
| Product Size (without stand) | 44.2” x 25.6” x 3.5” |
| Weight (without stand) | 20.6 lb |
| VESA Wall Mount Standard | 300 mm x 300 mm |
| SKU Number | 4K50N400A |
| Connectivity | Wi-Fi or Ethernet, Bluetooth 5.0 |
| Alexa Voice Remote Enhanced Compatibility | Fire TV 2-Series, Fire TV 4-Series, Fire TV Omni Series, Fire TV Omni QLED Series, Fire TV Cube (3rd Gen) |

Image: Side profile of the TV, highlighting its slimness.

Image: Rear view of the TV, illustrating the VESA mounting pattern.
Maintenance
Cleaning the TV
- Always unplug the TV before cleaning.
- Use a soft, dry, lint-free cloth to gently wipe the screen and cabinet.
- For stubborn marks on the screen, lightly dampen the cloth with water or a screen-cleaning solution specifically designed for electronics. Do not spray liquid directly onto the screen.
- Avoid using abrasive cleaners, waxes, or solvents as they can damage the finish.
Software Updates
Your Fire TV will periodically receive software security updates to improve performance and add new features. Ensure your TV is connected to the internet to receive these updates automatically. You can also check for updates manually through the TV's settings menu.
Troubleshooting
If you encounter issues with your Fire TV, refer to the following common solutions:
- No Power: Ensure the power cord is securely plugged into both the TV and a working electrical outlet. Try a different outlet.
- No Picture/Sound: Verify that the correct input source is selected. Check all cable connections (HDMI, audio) are secure. Restart the TV by unplugging it for 30 seconds and plugging it back in.
- Remote Not Responding: Replace the AAA batteries in the Alexa Voice Remote Enhanced. Ensure there are no obstructions between the remote and the TV. Re-pair the remote if necessary (hold Home button for 10 seconds).
- Network Connectivity Issues: Check your Wi-Fi router and modem. Restart your network equipment. Ensure the TV is within range of your Wi-Fi signal or that the Ethernet cable is properly connected.
- Alexa Not Responding: Ensure the remote batteries are fresh. Press and hold the Alexa button firmly when speaking. Check your internet connection.
For more detailed troubleshooting or persistent issues, refer to the online support resources for Fire TV.
Warranty and Support
Warranty Information
Your Amazon Fire TV 4-Series 50-inch includes a 1-year limited warranty and service. Optional 3-Year and 4-Year Extended Warranties are available for U.S. customers and can be purchased separately. Use of Fire TV is subject to the terms found on the official Amazon website.
Customer Support
For additional support, frequently asked questions, or to manage your device, please visit the official Amazon Fire TV support pages online. You can find information specific to your device by visiting the 'Manage Your Content and Devices' section on Amazon.





