The simplest way: use a cable that matches your phone's port

The fastest way to get your phone's screen on your TV is a physical cable. Look at the bottom or side of your phone — you'll see either a USB-C port (small oval slot, found on most newer Android phones and iPhones from 2023 onward), a Lightning port (small rectangular slot with eight pins, found on older iPhones), or a Micro-USB port (older Android phones). Buy a cable that matches your phone's port and connects to an HDMI cable on the other end — these are called HDMI adapters or MHL cables depending on your phone type.

Plug the adapter into your phone, plug the HDMI cable into the adapter, then plug the other end of the HDMI cable into any HDMI port on the back or side of your TV. Switch your TV to that HDMI input using your remote — you'll see a button labeled "Input" or "HDMI" — and your phone screen should appear on the TV within seconds. This method works when ready and requires no setup, but your phone will be tethered to the TV by a cable.

Not all phones support this feature. iPhones require a specific Apple adapter (called a Lightning Digital AV Adapter), and many Android phones don't support wired connection at all. Check your phone's manual or search "[your phone model] HDMI adapter" to confirm before buying a cable.

Key Takeaways

  • A wired HDMI adapter is the fastest method and works when ready, but requires a cable that matches your specific phone model and port type.
  • Wireless methods like Chromecast, AirPlay, and Miracast work without cables but require both your phone and TV to be on the same WiFi network.
  • Not every phone supports every connection method — check your phone's manual or search your model number before buying adapters or assuming wireless will work.
  • If your TV is older and lacks HDMI ports, you can use a streaming device like a Roku, Fire Stick, or Apple TV as an intermediary.
  • Wireless casting drains your phone's battery faster than normal use, so plug in your phone if you plan to watch for more than an hour.

Wireless connection using Chromecast or Google Cast

If your phone is Android and your TV has a Chromecast built in (many newer Samsung, LG, and Sony TVs do), or if you own a separate Chromecast device plugged into your TV's HDMI port, you can send your phone's screen wirelessly. Make sure your phone and TV are connected to the same WiFi network. Open any app on your phone — YouTube, Netflix, Google Photos, or your phone's web browser — and look for a Cast icon, which looks like a rectangle with WiFi waves in the corner. Tap it, select your TV from the list, and your phone's screen will appear on the TV within a few seconds.

If you don't see a Cast icon in an app, the app doesn't support casting. You can still cast your entire phone screen by swiping down from the top of your phone twice to open the full settings menu, finding the "Cast" or "Screen Cast" option, and selecting your TV. This mirrors everything on your phone, including notifications and incoming calls, so be aware of what's on your screen.

Chromecast works with most Android phones and tablets. iPhones cannot use Chromecast — Apple uses a different system called AirPlay instead.

Wireless connection using AirPlay for iPhones and iPads

If you own an iPhone or iPad and your TV is a newer Apple TV, or a Samsung, LG, or Sony TV with AirPlay built in, you can mirror your screen wirelessly using AirPlay. Connect your iPhone to the same WiFi network as your TV. Swipe down from the top-right corner of your screen to open Control Center, tap "Screen Mirroring," select your TV from the list, and your phone's screen will appear on the TV within seconds.

If you don't see your TV in the Screen Mirroring list, make sure both devices are on the same WiFi network and that your TV has AirPlay turned on in its settings. Older TVs without built-in AirPlay can use an Apple TV device (a small box that plugs into the TV's HDMI port) to receive AirPlay from your phone.

AirPlay works only with iPhones, iPads, and Mac computers. Android phones cannot use AirPlay.

Using a streaming device if your TV is older or lacks the right features

If your TV doesn't have Chromecast or AirPlay built in, or if you're not sure, the simplest solution is a streaming device — a small box that plugs into your TV's HDMI port and adds wireless casting features. The most common options are Google Chromecast (works with Android phones and some iPhones), Amazon Fire Stick (works with Android phones and iPhones), Roku (works with both), and Apple TV (works best with iPhones but can receive from Android phones too).

Plug the device into an HDMI port on your TV, connect it to your WiFi network using the on-screen setup menu, then use the casting method for your phone type (Cast for Android, AirPlay for iPhone, or the app built into Fire Stick or Roku). These devices cost between thirty and one hundred dollars depending on the model and features, but they turn any TV into a smart TV capable of receiving your phone's screen.

Streaming devices also let you watch Netflix, YouTube, and other apps directly on your TV without needing to cast from your phone, which saves battery and gives you more control.

What to do if your phone and TV won't connect

The most common reason a wireless connection fails is that your phone and TV are on different WiFi networks. Check that both devices are connected to the same network name (called the SSID) — you can see this in your phone's WiFi settings and your TV's network settings. If you have a 2.4 GHz and 5 GHz network with the same name, try connecting both devices to the same band.

If they're on the same network and casting still doesn't work, restart both devices. Turn off your phone and TV completely, wait ten seconds, and turn them back on. This clears temporary connection problems that prevent casting from working. If restarting doesn't help, forget the WiFi network on your phone (go to Settings, find your WiFi network, and tap "Forget"), then reconnect by entering your password again.

For wired connections, make sure the cable is fully plugged into both your phone and the TV's HDMI port. If the screen still doesn't appear, try a different HDMI port on your TV — some ports may be damaged or reserved for other devices. If you're using an adapter, confirm it matches your phone's port type; a USB-C adapter won't work in a Lightning port.

Understanding resolution and why your phone screen might look blurry

When you connect your phone to a TV, your phone's screen resolution (the number of pixels it displays) gets stretched across a much larger display. A phone screen is typically 1080 pixels wide, while a TV is often 1920 pixels wide or more. This stretching can make text and images look slightly blurry or pixelated, especially on larger TVs or from a distance.

This is normal and not a sign of a broken connection. If the blurriness bothers you, move closer to the TV to see the detail, or use your TV's picture settings to adjust sharpness. Some apps, like Netflix and YouTube, will display in a higher resolution if you're streaming through the app rather than mirroring your entire phone screen, so try opening the app directly on your TV if it's available.

Battery drain and heat when casting wirelessly

Wireless casting uses more power than normal phone use because your phone is constantly sending video data over WiFi. If you're casting for more than an hour, plug your phone into a charger to avoid draining the battery completely. Your phone may also get warm during extended casting — this is normal, but if it gets too hot to touch, unplug it and let it cool for a few minutes.

Wired connections use less battery because the phone isn't transmitting wirelessly, but your phone will still be powered by the cable connection itself. If your adapter doesn't include a power input, consider using a powered USB hub to supply extra power while casting.

Frequently Asked Questions

Can I use my phone as a remote while my screen is on the TV?

Yes, but it depends on the app. If you're casting Netflix or YouTube, you can pause and play from your phone while the video plays on the TV. If you're mirroring your entire phone screen, your phone becomes a second display of the same content, so tapping your phone will affect what's on the TV. For full remote control without mirroring, use your TV's native app instead of casting.

What if my TV doesn't have WiFi and I can't use wireless casting?

Use a wired HDMI adapter if your phone supports it, or buy a streaming device like a Chromecast or Fire Stick that connects to your TV's HDMI port and has its own WiFi. Both options cost less than fifty dollars and will work with any TV that has at least one HDMI port.

Can I connect two phones to the same TV at the same time?

Not simultaneously on the same screen. Most TVs and streaming devices only accept one casting connection at a time. If you want to switch between phones, disconnect the first phone and connect the second. Some newer TVs have a "multi-view" feature that can display two inputs side by side, but this requires each phone to be on a separate HDMI input or casting device.

Does casting work if my WiFi is slow?

Casting works on slow WiFi, but video will buffer and lag. If your WiFi is very slow (under 5 Mbps), move your phone and TV closer to your router, or restart your router to improve the connection. For smooth casting, aim for at least 10 Mbps read speed.

Why does my phone screen turn off while I'm casting?

Your phone's screen timeout setting is turning off the display to save battery. Go to Settings, find "Display" or "Screen," and increase the screen timeout to 30 minutes or longer while you're casting. Your phone will still send video to the TV even if the phone's screen is off, but having the screen on lets you control playback and see notifications.