The simplest way to connect your phone to your TV

The easiest method depends on what TV and phone you own. If your TV is less than five years old, it almost certainly has either HDMI (a cable port) or wireless casting built in. Wireless casting means your phone sends video through the air to your TV without any cable — this works across most brands and is usually the fastest to set up. If your TV is older or you want a wired connection, an HDMI cable with an adapter for your phone's charging port will work reliably.

The reason you might choose one method over another comes down to what you're doing. Wireless casting is best for streaming video, showing photos, or mirroring your phone screen. A wired HDMI connection is better if you're charging your phone at the same time, or if your TV is far from your phone and the wireless signal is weak.

Key Takeaways

  • Wireless casting (called AirPlay on Apple devices and Google Cast on Android) works on most TVs made after 2018 and requires no cables or adapters.
  • An HDMI cable with a phone adapter is a wired alternative that works on any TV with an HDMI port, regardless of age or brand.
  • To use wireless casting, your phone and TV must be on the same Wi-Fi network, and you start from your phone's control center or settings menu.
  • HDMI adapters cost between $10 and $30 and plug into your phone's charging port on one end and the TV's HDMI port on the other.

Wireless casting: the no-cable option

Wireless casting sends your phone's screen to your TV through your home Wi-Fi. On Apple phones, this is called AirPlay. On Android phones, it's called Google Cast or Chromecast. Both work the same way: your phone and TV talk to each other over Wi-Fi, and your TV displays what your phone is showing.

To use wireless casting, your TV must support it. Most TVs made after 2018 have this built in — check your TV's manual or look in the settings menu for "AirPlay" or "Google Cast" to confirm. If your TV doesn't have it, you can buy a separate device like a Google Chromecast or Apple TV that plugs into an HDMI port and adds wireless casting to any older TV.

Before you start, make sure your phone and TV are connected to the same Wi-Fi network. Then, on your phone, open the app you want to watch (YouTube, Netflix, a photo gallery, or anything else). Look for a cast icon — it looks like a rectangle with curved lines in the corner — and tap it. Your phone will show a list of nearby devices. Select your TV's name, and the video will appear on your screen within a few seconds.

Wired HDMI connection: the reliable alternative

An HDMI cable with a phone adapter is a physical cable that connects your phone directly to your TV. One end plugs into your phone's charging port (Lightning on iPhones, USB-C on most Android phones). The other end plugs into any HDMI port on your TV. Once connected, your phone's screen appears on the TV when ready.

The main advantage of a wired connection is reliability — it doesn't depend on your Wi-Fi network, and the video quality is consistent. The disadvantage is that you're tethered to the TV by a cable, and your phone won't charge unless you use a special adapter that splits the connection. You can buy HDMI adapters at any electronics store or online for $10 to $30.

To set up a wired connection, plug the adapter into your phone's charging port, then plug the HDMI cable into the adapter and into your TV. Switch your TV to the HDMI input where you plugged in the cable (use your TV remote and look for an "Input" or "Source" button). Your phone's screen should appear on the TV. If it doesn't, try unplugging and replugging the cable, or restart your phone.

When wireless casting doesn't work

Wireless casting fails most often because your phone and TV are not on the same Wi-Fi network. Check that both devices are connected to the same network name in your Wi-Fi settings. If you have a guest network separate from your main network, make sure both devices are on the main one.

If they're on the same network and casting still doesn't work, restart both your phone and TV. Turn off your TV completely, wait 10 seconds, and turn it back on. Do the same with your phone. Then try casting again. If the problem persists, check whether your TV's casting feature is turned on — some TVs have a setting that disables it, usually in the network or connectivity menu.

If you've tried these steps and wireless casting still won't work, switch to a wired HDMI connection instead. A cable will always work as long as your TV has an HDMI port.

Choosing between wireless and wired

Use wireless casting if you want to move around the room, show multiple things on your TV without unplugging, or avoid having cables visible. It's also the better choice if you're streaming video from an app, since the app controls the playback and your phone can go to sleep without stopping the video.

Use a wired HDMI connection if your TV is far from your phone and your Wi-Fi signal is weak, if you want to charge your phone while it's connected, or if you need the absolute fastest setup with no troubleshooting. A wired connection also gives you more control if you're using your phone to present something on a larger screen, since you can see exactly what the TV is showing.

What to do if your TV is very old

If your TV doesn't have HDMI ports at all — meaning it only has older ports like composite (red, white, and yellow cables) or VGA (a blue rectangular port) — you'll need a different approach. These TVs are typically 15 years old or older. Your best option is to replace the TV with a newer model, since adapters for these old ports are unreliable and expensive.

If replacing the TV isn't possible right now, you can buy a separate streaming device like a Google Chromecast or Roku that connects to your TV's HDMI port (if it has one) or to an older port with an adapter. These devices let you stream video directly from the internet without needing to connect your phone at all.

Frequently Asked Questions

Do I need to pay for wireless casting?

No. Wireless casting is built into most modern TVs and phones at no extra cost. If your TV doesn't have it, you can buy a separate device like a Google Chromecast for $30 to $50, but the casting feature itself is free once you own the device.

Can I use my phone while the TV is showing my screen?

With wireless casting, yes — your phone can do other things while the TV displays video from an app. With a wired HDMI connection, your phone's screen is mirrored exactly, so anything you do on your phone appears on the TV. If you want privacy, use wireless casting and open the app on your TV instead of your phone.

Why does my phone get hot when connected by HDMI?

HDMI adapters draw power from your phone's battery, which generates heat. This is normal. If your phone gets uncomfortably hot, unplug the cable and let it cool down. You can reduce heat by lowering your screen brightness or using a wired connection with a power adapter that charges your phone at the same time.

What if my TV has HDMI but no wireless casting?

You can add wireless casting by plugging a Google Chromecast, Apple TV, or Roku device into one of your TV's HDMI ports. These devices cost $30 to $100 and turn any HDMI TV into a smart TV with casting built in.

Can I connect my phone to a TV at someone else's house?

With wireless casting, you need to be on the same Wi-Fi network, so you'd need the Wi-Fi password. With a wired HDMI connection, you just need access to the TV's HDMI ports. Wireless casting is usually easier in this situation since you don't need to carry an adapter.