This manual provides essential information for setting up, operating, maintaining, and troubleshooting your Amazon Fire TV 4-Series 4K UHD Smart TV. Please read thoroughly before use.
Carefully remove all components from the packaging. Ensure all items listed below are present.

Image: All components included in the Amazon Fire TV 4-Series package.
Identify the various ports on the back and side of your Fire TV.

Image: Detailed view of the input/output ports on the Fire TV 4-Series.
The Fire TV interface is designed for easy content discovery. Use the directional pad and select button on your Alexa Voice Remote to navigate menus, select apps, and play content.
The included Fire TV Alexa Voice Remote allows for convenient voice control.
The remote can also control certain functions (power, volume) on compatible IR-enabled soundbars and A/V receivers.
Your Fire TV provides access to a vast library of streaming content.
To switch between connected devices (e.g., game console, cable box):
If you encounter issues with your Fire TV, refer to the following common problems and solutions.
| Problem | Possible Solution |
|---|---|
| No Power | Ensure the power cord is securely plugged into both the TV and a working electrical outlet. Try a different outlet. |
| No Picture / Black Screen | Check that the correct input source is selected. Verify all HDMI cables are securely connected. Restart the TV by unplugging it for 30 seconds and plugging it back in. |
| No Sound | Check the volume level and ensure the TV is not muted. Verify external audio devices (soundbar, receiver) are properly connected and powered on. Check audio settings in the TV menu. |
| Remote Not Responding | Replace the AAA batteries in the remote. Ensure there are no obstructions between the remote and the TV. Try re-pairing the remote by holding the Home button for 10 seconds. |
| Wi-Fi Connection Issues | Restart your router and modem. Go to TV Settings > Network and try reconnecting to your Wi-Fi network. Ensure the Wi-Fi password is correct. |
| Apps Not Loading / Slow Performance | Check your internet connection speed. Clear the cache for the problematic app (Settings > Applications > Manage Installed Applications). Restart the TV. |
For more detailed troubleshooting, refer to the online support resources or contact Amazon customer service.
Key technical specifications for the Amazon Fire TV 4-Series 43" model.
| Feature | Detail |
|---|---|
| Model Number | 4K43N400A |
| Screen Size | 43" (Viewable display size: 42.5") |
| Resolution | 3840 x 2160 (4K UHD) |
| HDR Format | HDR 10, HLG |
| Refresh Rate | 60 Hz |
| Backlight Type | Direct LED |
| 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 |
| Audio Support | Dolby Digital Plus with passthrough of Dolby-encoded audio |
| Audio Power | 8W + 8W |
| Operating System | Fire TV OS |
| Product Size (without stand) | 38.1" x 22.3" x 3.5" |
| Weight (without stand) | 15.5 lb |
| VESA Wall Mount Standard | 300 mm x 300 mm |
| Connectivity | Wi-Fi or Ethernet |
The Like-New Amazon Fire TV 4-Series 43" comes with a 1-year limited warranty, which is the same as a new device. This device has been refurbished, tested, and certified to look and work like new.
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 specific information related to your device, visit Manage Your Content and Devices.
For additional support, troubleshooting, or warranty claims, please visit the official Amazon support website or contact Amazon customer service directly. You can also explore the online user manual for more information about the Fire TV 4-Series.
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