A Firestick is a small device that plugs into your TV's HDMI port and turns any television into a streaming box

The Firestick itself is a rectangular stick about the size of a thumb drive. It connects to your TV through an HDMI cable, which carries both picture and sound from the Firestick to your television. Once plugged in, the Firestick receives power from either a wall outlet or the TV's USB port, depending on which model you own. Your TV does not need to be "smart" — any television with an HDMI input will work.

The Firestick runs its own operating system and software, separate from your TV. This means the Firestick handles all the streaming, searching, and app management. Your TV straightforward displays what the Firestick sends it. The remote that comes with the Firestick communicates wirelessly to the device, not to your television, so you control everything through the Firestick's interface rather than your TV's built-in menu.

Key Takeaways

  • A Firestick plugs into any TV's HDMI port and does not require the TV to be smart or connected to the internet on its own.
  • The Firestick connects to your home Wi-Fi network to stream content from Amazon Prime Video, Netflix, Disney+, and other services.
  • Power comes from a wall outlet or your TV's USB port, depending on the Firestick model you choose.
  • The Firestick remote controls the device wirelessly, so you never need to use your TV's remote once the Firestick is set up.
  • Picture and sound travel through the HDMI cable, so your TV acts as a display and speaker only.

What the HDMI cable does

The HDMI cable is the physical link between the Firestick and your television. It carries the video signal (the picture) and the audio signal (the sound) in one cable. When you plug the Firestick into your TV's HDMI port, your TV recognizes a new input source and switches to display whatever the Firestick is sending.

Most Firesticks come with an HDMI cable in the box, though some newer models have the HDMI connector built directly into the stick itself. If your TV is mounted on a wall or sits far from an outlet, you may need a longer HDMI cable — these are inexpensive and widely available. The cable itself is passive, meaning it does not require power or setup; it straightforward passes the signal through.

How the Firestick connects to the internet

The Firestick has a built-in Wi-Fi chip that connects to your home network. During setup, you enter your Wi-Fi password into the Firestick, and it remembers that network. From that point on, the Firestick automatically connects whenever you turn it on, as long as your router is running.

The Firestick uses this internet connection to read and stream video from services like Amazon Prime Video, Netflix, Disney+, and Hulu. It also checks for software updates and syncs your preferences and watch history. Your TV does not need its own internet connection — the Firestick handles all the online communication and sends only the finished video and audio to your television through the HDMI cable.

Power sources for different Firestick models

Firestick models vary in how they receive power. The standard Firestick and Firestick 4K both come with a power adapter that plugs into a wall outlet. The Firestick Lite can draw power from your TV's USB port if your TV has one, though Amazon includes a wall adapter in the box as a backup. The Fire TV Cube, which is larger and more powerful, requires a wall outlet.

If your TV has a USB port on the back or side, you can sometimes power a compatible Firestick directly from the TV, which eliminates one cable behind your entertainment center. However, not all TVs provide enough power through USB, so using the wall adapter is more reliable. Check your TV's manual or the back panel to see if USB power is available and whether it stays on when the TV is off.

What happens when you press the remote

The Firestick remote uses infrared or Bluetooth (depending on the model) to send wireless signals to the Firestick device. When you press a button, the remote sends a command that the Firestick receives and acts on. If you press the play button, the Firestick tells the streaming service to start playing. If you press the volume button, the Firestick adjusts the audio level and sends the new volume to your TV.

The remote never communicates directly with your TV. This is why you cannot use your TV's remote to control the Firestick, and why the Firestick remote does not control your TV's power or input selection. Some newer Firestick remotes include volume and power buttons that can control your TV if you program them during setup, but this is a convenience feature that requires manual configuration.

Why your TV does not need to be smart

A "smart TV" is a television with built-in apps and internet connectivity. A Firestick makes a regular, non-smart TV behave like a smart TV by adding all the streaming capability externally. The Firestick does the thinking — it runs the apps, connects to the internet, and processes your commands. Your TV straightforward receives the video and audio signal and displays it on the screen.

This approach has a practical advantage: if you buy a new TV in five years, you can unplug the Firestick from the old one and plug it into the new one. The Firestick continues to work exactly as before, whereas a smart TV's built-in apps may become outdated or unsupported. Many people prefer Firesticks for this reason, even if their TV is already smart.

Setting up the connection for the first time

Plug the Firestick into an available HDMI port on your TV. If using a wall power adapter, plug that into an outlet near your TV. Turn on your TV and switch to the HDMI input where you plugged the Firestick. The Firestick will boot up and display a setup screen on your television.

Follow the on-screen prompts to connect to your Wi-Fi network and sign in with your Amazon account. The Firestick will read any necessary software updates, which may take a few minutes. Once setup is complete, you will see the Firestick home screen on your TV, and you can begin searching for and opening apps. The entire process usually takes 10 to 15 minutes.

Frequently Asked Questions

Can I use a Firestick with an older TV that only has composite cables?

No. Firesticks require an HDMI port, which older TVs do not have. If your TV only has yellow, white, and red composite inputs, you would need an HDMI-to-composite converter, which is unreliable and not recommended. Most TVs made after 2010 have at least one HDMI port.

Does the Firestick work if my internet goes out?

No. The Firestick needs an active internet connection to stream video from services like Netflix or Prime Video. If your Wi-Fi is down, you cannot watch anything. However, some content downloaded to the device before the outage may still play locally.

Can I control my TV's volume with the Firestick remote?

Some newer Firestick remotes can be programmed to control your TV's volume and power, but this requires setup during installation. Older Firestick remotes cannot do this. Check your remote model and your TV's manual to see if this pairing is possible.

What if my TV does not recognize the HDMI input?

Make sure the Firestick is fully inserted into the HDMI port and that the TV is switched to the correct HDMI input channel. Use your TV's remote to cycle through the input options until you see the Firestick startup screen. If nothing appears, try a different HDMI port on your TV, as one port may be faulty.

Do I need a separate subscription to use a Firestick?

The Firestick itself is free to use once you own it, but the streaming services it accesses require their own subscriptions. Amazon Prime Video is included with an Amazon Prime membership. Netflix, Disney+, Hulu, and other services charge separate monthly fees.