The fastest way to connect your phone to your Samsung TV

The easiest method depends on what you want to do. If you want to mirror your phone's screen or cast a single app, use SmartThings (Samsung's built-in casting app) or Screen Mirroring (the wireless display feature). Both work without cables and take about 30 seconds to set up. If you want to play music or video files stored on your phone, AirPlay (for iPhones) or Miracast (for Android phones) also work well. For a wired connection that never drops, use an HDMI cable with an adapter—this is the most reliable option if you're presenting or gaming.

Your phone and TV must be on the same Wi-Fi network for wireless methods to work. Check that both devices are connected before you start. If they are on different networks, wireless casting will fail.

Key Takeaways

  • SmartThings is the fastest wireless method for Samsung phones and tablets; open the app, tap Cast, and select your TV from the list.
  • Screen Mirroring works on any Android phone and appears in your Quick Settings menu under "Wireless Display" or "Cast".
  • iPhones use AirPlay, which appears in Control Center; swipe down, tap Screen Mirroring, and select your Samsung TV.
  • A wired HDMI connection with an adapter is the most stable option and works for any phone, but requires a cable.
  • Your phone and TV must be on the same Wi-Fi network for any wireless method to work.

Using SmartThings to cast from a Samsung phone

Open the SmartThings app on your Samsung phone. If you do not have it, read it from the Google Play Store or Samsung Galaxy Store. Tap the Cast button (it looks like a rectangle with a Wi-Fi symbol in the corner). A list of nearby devices will appear. Select your Samsung TV from the list. Your phone's screen will now appear on the TV.

If your TV does not show up, make sure both devices are on the same Wi-Fi network. Restart the SmartThings app and try again. If the TV still does not appear, restart your TV and phone, then try once more. SmartThings works best on Samsung Galaxy phones and tablets; other Android phones may have limited support.

Casting from any Android phone using Screen Mirroring

Swipe down from the top of your screen twice to open the full Quick Settings menu. Look for Wireless Display, Cast, or Screen Mirroring—the name varies by phone brand. Tap it. Your phone will search for nearby devices. Select your Samsung TV. Your screen will mirror to the TV within a few seconds.

If you do not see the option, it may be hidden in an "Advanced" or "More" menu. Check your phone's settings under Display or Connected Devices. Some older Android phones do not support Screen Mirroring; if you cannot find the option after checking these places, use a wired HDMI connection instead.

Casting from an iPhone using AirPlay

Swipe down from the top-right corner of your iPhone to open Control Center. Tap Screen Mirroring. A list of nearby devices will appear. Select your Samsung TV. Your iPhone's screen will appear on the TV. To stop mirroring, open Control Center again, tap Screen Mirroring, and select Stop Mirroring.

AirPlay works on iPhones running iOS 12 or later. Your iPhone and Samsung TV must be on the same Wi-Fi network. If your TV does not appear in the list, restart both devices and try again. Some older Samsung TV models do not support AirPlay; if your TV does not show up after restarting, check your TV's manual or use a wired HDMI connection instead.

Connecting with an HDMI cable and adapter

A wired connection is the most reliable method and works with any phone. You will need an HDMI cable and an adapter that matches your phone's charging port. For iPhones, use a Lightning to HDMI adapter. For Android phones with USB-C, use a USB-C to HDMI adapter. For older Android phones with Micro-USB, use a Micro-USB to HDMI adapter.

Plug the adapter into your phone's charging port. Connect the HDMI cable to the adapter and to an available HDMI port on your TV. Switch your TV to the correct HDMI input using the remote. Your phone's screen will appear on the TV when ready. This method does not require Wi-Fi and works even if your network is down. The connection is stable and does not drop, making it ideal for presentations or gaming.

Troubleshooting when your phone will not connect

If your phone and TV are not connecting, start by checking that both are on the same Wi-Fi network. Open your phone's Wi-Fi settings and your TV's network settings to confirm. Restart both devices—turn them off completely, wait 10 seconds, and turn them back on. Then try connecting again.

If the problem persists, forget the Wi-Fi network on your phone and reconnect. Go to Settings, select Wi-Fi, find your network, and tap "Forget." Then reconnect by entering your password again. On your TV, go to Settings, Network, and select "Reset Network Settings." Reconnect to Wi-Fi. Try casting again. If you are still having trouble, use a wired HDMI connection as a backup.

Casting specific apps instead of your entire screen

Many apps let you cast without mirroring your whole screen. Open the app you want to cast (YouTube, Netflix, Spotify, or others). Look for a Cast button, usually in the top-right corner or in the menu. Tap it and select your Samsung TV. The app will play on the TV while your phone screen returns to normal, letting you use your phone for other things.

Not all apps support casting. If you do not see a Cast button, the app does not have this feature. You can still mirror your entire screen instead. Casting individual apps uses less battery and lets you control playback from your phone without keeping the screen on.

Frequently Asked Questions

Do I need to pair my phone and TV first?

No pairing is required for SmartThings, Screen Mirroring, or AirPlay. Your phone and TV just need to be on the same Wi-Fi network. The first time you cast, your TV may ask for permission; select "Allow" and you are done. Future connections will happen automatically.

Can I use my phone while it is mirroring to the TV?

Yes, but your phone screen will show the same thing as the TV. If you want to use your phone for other tasks, cast a single app instead of mirroring your whole screen. Apps like YouTube and Spotify let you cast without mirroring, so your phone stays free to use.

Why does my connection keep dropping?

Wi-Fi interference or distance from your router can cause drops. Move closer to your router or remove obstacles between your phone and TV. If drops continue, use a wired HDMI connection instead, which is much more stable. Restarting your router can also help.

What if my Samsung TV is very old?

Older Samsung TVs may not support SmartThings or AirPlay. Check your TV's manual to see which casting methods it supports. A wired HDMI connection with an adapter will work with any TV, regardless of age.

Can I connect multiple phones to the same TV at once?

Most Samsung TVs only mirror one device at a time. If you want to switch between phones, stop mirroring on the first phone, then start casting from the second. The process takes about 10 seconds per switch.