To switch TV inputs using a universal TV remote app, open the app on your phone, connect to the same Wi-Fi network as your TV, and look for a source or input button within the app’s remote interface. Tap it to cycle through available inputs, just like you would with a physical remote.
Most universal TV remote apps replicate the full button layout of your TV’s original remote, so input switching works the same way you’re used to. The exact button label varies by app and TV brand, but it’s usually called “Source,” “Input,” or “HDMI.”
Below, we answer the most common questions people have about using a remote app to switch inputs, fix connection issues, and decide when a remote app is the right tool for the job.
What does a universal TV remote app actually control?
A universal TV remote app turns your smartphone into a fully functional remote control for your TV. It gives you control over power, volume, channel switching, playback, and input or source selection. Most apps also include a touchpad, keyboard input, and quick-access buttons for popular streaming platforms. Essentially, it replaces your physical remote entirely.
The app communicates with your TV over your home Wi-Fi network. As long as your phone and TV are connected to the same network, the app can send commands directly to the TV without any extra hardware or setup codes.
Beyond basic controls, many remote apps support:
- Volume and mute adjustment
- Channel up and down navigation
- Input and source switching (HDMI 1, HDMI 2, AV, etc.)
- Directional pad and OK/Enter navigation for on-screen menus
- Text input via your phone’s keyboard
- Control of streaming devices like Roku and Amazon Fire TV
The range of control depends on the app and your TV brand, but for most modern smart TVs, a good remote app handles everything a physical remote does.
How do you switch TV inputs using a remote app step by step?
Switching TV inputs with a universal TV remote app takes just a few taps. Open the app, make sure your phone and TV share the same Wi-Fi network, select your TV model, and tap the Source or Input button on the app’s remote layout. Your TV will cycle through available inputs, and you can select the one you want.
Here’s a more detailed walkthrough:
- Download and open the remote app on your iPhone, iPad, or Android device.
- Connect both devices to the same Wi-Fi network. This is the most important step. If they’re on different networks, the app won’t detect your TV.
- Select your TV brand and model within the app. Most apps auto-detect your TV, but you can also search manually.
- Open the remote interface. You’ll see a layout that mirrors your physical remote.
- Tap the Source or Input button. It’s often labeled with an arrow icon or the word “Source.” On some TV brands, it may say “Input” or show an HDMI symbol.
- Choose your input from the on-screen menu that appears on your TV. Use the directional pad in the app to navigate and confirm your selection.
The whole process takes under a minute once the app is set up. After the first connection, the app usually remembers your TV so you can jump straight to the remote on future uses.
Why won’t my remote app change the TV input?
If your remote app isn’t changing the TV input, the most common reason is a Wi-Fi connection mismatch. Your phone and TV must be on the exact same network, including the same band (2.4 GHz or 5 GHz). Other causes include the TV being in standby mode, the app not having the correct TV model selected, or a temporary glitch in the app or TV firmware.
Work through these fixes in order:
- Check your Wi-Fi network. Go into your phone’s Wi-Fi settings and confirm it matches the network your TV uses. A common issue is phones defaulting to a 5 GHz band while the TV is on 2.4 GHz.
- Wake your TV first. Some TVs don’t respond to app commands while in deep standby. Use the physical power button to wake it, then try the app.
- Verify the TV model in the app. If the wrong model is selected, input commands may not register correctly. Re-select your TV brand and model.
- Restart both devices. Close the app fully, restart your TV, then reopen the app and reconnect.
- Check for app or firmware updates. An outdated app version can cause compatibility issues with newer TV firmware.
If none of these work, double-check that your TV actually supports Wi-Fi remote control. Older non-smart TVs require an IR (infrared) connection instead, and not all apps support both modes.
Which remote apps support input switching for major TV brands?
Most well-rated universal TV remote apps support input switching for major smart TV brands, including Samsung, LG, Sony, TCL, Hisense, Philips, and Panasonic. They also extend support to popular streaming devices like Roku and Amazon Fire TV. The key difference between apps is how reliably they detect your TV and how complete their button layout is.
When comparing remote apps, look for these features:
- Auto-detection of your TV brand and model over Wi-Fi, so you don’t need to enter codes manually
- Full remote layout that includes a dedicated Source or Input button
- Support for your specific TV brand, especially if you own a less common model
- Streaming device compatibility if you use Roku, Fire TV, or Android TV alongside your main TV
- Touchpad and keyboard input for navigating smart TV menus more easily
Avoid apps that rely solely on Bluetooth or IR without Wi-Fi support, as these often have limited input-switching functionality on modern smart TVs.
Should you use a remote app or a screen mirroring app instead?
Use a remote app when you want to control what’s already playing on your TV, switch inputs, or navigate your TV’s menus. Use a screen mirroring app when you want to display content from your phone or laptop directly onto the TV screen. These are different tools that solve different problems, and many people benefit from having both.
A remote app is the right choice when you want to:
- Replace a lost or broken physical remote
- Switch between HDMI inputs or other sources
- Control volume, channels, or playback on your TV
- Type text into your TV’s search bar using your phone keyboard
A screen mirroring app is the right choice when you want to:
- Show your phone screen on the TV (photos, videos, apps)
- Stream content from your device that isn’t available on your TV’s built-in apps
- Mirror a presentation or website from your laptop to the TV
- Share your screen with others in the room without cables
The simplest way to think about it: a remote app controls the TV, while a screen mirroring app uses the TV as a display for your device.
How AirBeamTV Helps with TV Remote Control and Screen Mirroring
We’ve built two tools that cover both sides of this. If you need a reliable way to switch inputs and control your TV from your phone, our Universal TV Remote App handles it without any setup codes or extra hardware. Just connect your phone and TV to the same Wi-Fi, select your TV model, and you’re in control.
Here’s what you get with the AirBeamTV Universal TV Remote App:
- Input and source switching with a single tap
- Full remote control functions including volume, mute, channels, and directional navigation
- Touchpad and keyboard input for easier smart TV navigation
- Support for all major TV brands including Samsung, LG, Sony, TCL, Hisense, and more
- Streaming device control for Roku and Amazon Fire TV
- Haptic feedback so you know each tap has registered
- No setup codes, no extra hardware, and no complicated pairing process
And if you also want to mirror your iPhone, iPad, Mac, or Android screen directly to your TV, our screen mirroring apps do exactly that, with no Apple TV or cables required.
Download the AirBeamTV Universal TV Remote App today and take full control of your TV from your phone in minutes.

