Yes, you can use a QR code to activate Rumble on your TV. The process is simple: open the Rumble app on your TV, and it will display a QR code. Use your smartphone to scan the code, which will direct you to rumble.com/pair. Once there, sign in to your Rumble account or create a new one. After logging in, enter the code shown on your TV screen. This will sync your device with your Rumble account, enabling you to start watching content seamlessly on your TV. It's a quick and convenient way to activate Rumble.