The four ways to connect your phone to a TV

You can connect your phone to a TV using a cable plugged into the phone and TV, by casting wirelessly through your home network, by mirroring through a physical adapter, or by using an HDMI cable with a converter. Which method works depends on what phone you have, what TV you have, and whether you want to mirror your entire screen or just send video and audio from a single app.

The fastest connection is usually a cable — it works when ready and does not depend on your WiFi. Wireless casting is slower to set up the first time but lets you move around the room. Adapters and converters sit between your phone and TV and translate the signal, which adds a step but works across different phone and TV brands.

Before you choose, check what ports your TV has on the back or side. Most TVs made in the last ten years have at least one HDMI port. Older TVs may have only composite (red, white, yellow cables) or component (red, green, blue cables) ports. Your phone's charging port determines what cable you can use.

Key Takeaways

  • A USB-C or Lightning cable plugged directly into your phone and TV is the fastest method and requires no WiFi, but only works if your TV has a USB-C or HDMI port.
  • Wireless casting through Chromecast, AirPlay, or Miracast works from anywhere in the room but depends on your home WiFi and takes a few seconds to connect.
  • HDMI adapters (USB-C to HDMI or Lightning to HDMI) let you use an HDMI cable even if your phone does not have an HDMI port.
  • Check your TV's ports before you buy a cable or adapter — most modern TVs have HDMI, but older models may have only composite or component inputs.
  • Some apps like Netflix and YouTube have built-in casting buttons that work without mirroring your entire phone screen.

Wired connection with a cable

A wired connection is the most direct method. You plug one end of a cable into your phone's charging port and the other end into your TV's HDMI port (or an adapter that connects to HDMI). The TV should recognize the phone when ready and display its screen.

For Android phones with USB-C ports, you need a USB-C to HDMI cable or adapter. For iPhones, you need a Lightning to HDMI adapter (Apple calls this the Lightning Digital AV Adapter). For older Android phones with Micro-USB ports, you need a Micro-USB to HDMI adapter. These adapters cost between $15 and $40.

The advantage is speed — there is no pairing step, no waiting for a connection, and no WiFi required. The disadvantage is that your phone is tethered to the TV by a cable, so you cannot walk around. Also, some phones will not charge while connected this way, so if you are watching for more than an hour, the battery may drain.

Wireless casting through Chromecast, AirPlay, or Miracast

Wireless casting sends your phone's screen to the TV over your home WiFi network without a cable. The method depends on your phone brand and TV brand. Android phones use Chromecast or Miracast. iPhones use AirPlay. Some newer TVs have casting built in; others need a separate device like a Google Chromecast or Amazon Fire Stick plugged into the HDMI port.

To cast from an Android phone, open the app you want to watch, look for a cast icon (it looks like a rectangle with WiFi waves), tap it, and select your TV from the list. The first time you do this, your phone and TV may need to pair — you might see a code on the TV screen that you confirm on your phone. After that, casting is usually one tap.

To cast from an iPhone, swipe down from the top right corner to open Control Center, tap Screen Mirroring, and select your TV or casting device. If your TV does not have AirPlay built in, you will need an AirPlay-compatible device like an Apple TV box or certain smart TVs from Samsung, LG, or Sony.

Wireless casting takes a few seconds to connect and works from anywhere in your home, but it depends on your WiFi being stable. If your WiFi drops, the connection drops. Also, casting your entire screen uses more battery than a wired connection.

Using HDMI adapters with older TVs

If your TV has only composite ports (the red, white, and yellow cables) or component ports (red, green, and blue), you will need an adapter that converts your phone's signal to that format. These adapters are less common now because most TVs have HDMI, but they still exist and cost $20 to $50.

A USB-C to composite adapter or Lightning to composite adapter plugs into your phone and has three colored cables that plug into your TV's ports. The setup is the same as HDMI — plug it in and the TV should display your phone's screen. These adapters are harder to find online; you may need to search for the specific brand of your phone and the specific port type your TV has.

Composite and component connections are older technology and may not display as sharply as HDMI or wireless casting, but they work reliably once plugged in.

Casting from individual apps instead of mirroring your whole screen

Many streaming apps have a built-in cast button that sends video directly to your TV without mirroring your entire phone screen. Netflix, YouTube, Disney+, Spotify, and most other major apps have this feature. The advantage is that you can use your phone for other things while the video plays on the TV — you can text, browse, or even turn off your phone's screen and save battery.

To use app casting, open the app, start playing the video or music you want, look for a cast icon (usually in the top right or bottom right corner), tap it, and select your TV. The app will send the content directly to your TV, and you control playback from your phone.

App casting works over WiFi and does not require you to mirror your screen, so it is often faster and uses less battery than screen mirroring. If your TV does not have casting built in, you will still need a Chromecast, Fire Stick, or AirPlay device plugged into the HDMI port.

What to do if your TV does not recognize your phone

If you plugged in a cable and nothing appeared on the TV, first check that you are using the right cable for your phone and TV. A USB-C to HDMI cable will not work if your TV only has composite ports, and a Lightning cable will not work with an Android phone. Check the ports on both devices and match them to the cable.

If the cable is correct, try a different HDMI port on your TV — most TVs have more than one, and one may be broken. Also check that the TV is set to the right input. Use your TV remote to find the input or source button (usually labeled Input, Source, or HDMI), and cycle through until you see your phone's screen.

For wireless casting, make sure your phone and TV are on the same WiFi network. If they are on different networks (for example, if your TV is on a guest network), they cannot see each other. Restart your phone and TV, then try casting again. If that does not work, unpair the devices and pair them again from scratch.

Choosing between wired and wireless based on what you are doing

Use a wired connection if you are watching something once and do not plan to move around — it is faster to set up and does not depend on WiFi. Use wireless casting if you want to move your phone around the room, use your phone for other things while watching, or if you do not want to buy a cable.

Use app casting (Netflix, YouTube, etc.) if the app you want supports it — it is usually the fastest wireless option and uses the least battery. Use screen mirroring if you need to show something that is not in a streaming app, like a photo album, a web browser, or a game.

If you watch TV regularly, a permanent casting device like a Chromecast or Fire Stick ($25 to $50) is worth buying because it is faster and more reliable than casting from your phone each time. These devices plug into your TV's HDMI port and stay there.

Frequently Asked Questions

Do I need WiFi to connect my phone to my TV?

No, not if you use a cable. A wired connection works without WiFi. Wireless casting, mirroring, and app casting all require WiFi because they send the signal over your home network.

Can I charge my phone while it is connected to the TV with a cable?

It depends on the cable and the TV. Some HDMI adapters have a USB port that lets you plug in a separate charging cable at the same time. Most direct cables do not support charging while connected. Check the product description before you buy.

Why does my phone screen look blurry or stretched on the TV?

Your phone's screen is a different shape than your TV's screen, so the image may not fit perfectly. Some TVs have a zoom or aspect ratio setting in the picture menu that can fix this. Also, older composite adapters do not send as sharp a picture as HDMI or wireless casting.

Can I use the same cable to connect different phones to my TV?

Only if the phones have the same charging port. A USB-C cable works with any phone that has USB-C. A Lightning cable only works with iPhones. A Micro-USB cable only works with older Android phones. Check your phone's charging port before you buy a cable.

What is the difference between screen mirroring and casting?

Screen mirroring shows everything on your phone's screen on the TV — apps, notifications, everything. Casting from an app sends only that app's content to the TV. Casting uses less battery and lets you use your phone for other things while the TV plays.