The method you use depends on whether your devices are "Smart" (connected to Wi-Fi) or "Non-Smart" (use infrared).
Most major brands have dedicated apps that offer advanced features like keyboard typing and voice control. Universal Remote Phone
Download their official apps from the Google Play Store or Apple App Store. For Any TV (Universal Apps) The method you use depends on whether your
Control your Samsung TV or projector with your phone using SmartThings For Any TV (Universal Apps) Control your Samsung
Turning your phone into a universal remote is a practical way to manage multiple devices or replace a lost physical remote. Depending on your phone and TV type, you can use built-in features, official manufacturer apps, or third-party universal software. 📺 How it Works
Both your phone and TV must be on the same Wi-Fi network. The phone communicates with the TV over your local connection.
Requires an IR Blaster (infrared transmitter) in your phone. If your phone doesn't have one, you can buy small IR adapters that plug into your phone's charging port. 🛠️ Setup Steps by Device Type For Smart TVs