Use built-in casting when available, or mirror the Android screen when the player has no cast button.
Check whether the player has a Cast button
A built-in Cast icon is the simplest method because the TV receives the stream directly. Connect the phone and Chromecast or Google TV to the same Wi-Fi network, tap the Cast icon and select the target device.
Use Android screen mirroring
If no cast control appears, open the phone’s Quick Settings and look for Cast, Smart View, Screen Share or Wireless Display. Mirroring sends the entire phone screen, so notifications and orientation changes may also appear on the TV.
Keep both devices on one network
Guest Wi-Fi, mobile hotspots and router isolation can prevent device discovery. Confirm that the phone and television use the same local network and restart both devices if the TV is not listed.
Improve mirrored playback
Keep the phone near the router, close background apps and connect the phone to power during long events. Use landscape orientation and disable auto-lock if it interrupts the mirrored session.
Wired alternatives
A compatible USB-C-to-HDMI adapter can provide stable video from supported phones. Not every USB-C port supports video output, so check the phone specification before purchasing an adapter.
Complete a short big-screen test
After installation, open Rongy TV from the full Apps list, test directional navigation, play a short stream and confirm that audio and picture remain synchronized. Keep the television at its normal display resolution before changing scaling or overscan settings, because forced display modes can create layout problems.
Useful TV support information
Write down the television or streaming-box model, operating-system version, installation method and whether the issue concerns installation, remote control, picture, audio or one specific source. Big-screen troubleshooting becomes much faster when the hardware and the exact symptom are clearly separated.
Frequently asked questions
Why can’t my phone find the TV?
Both devices may be on different networks, guest isolation may be enabled, or the TV may not support the same casting standard.
Does screen mirroring show notifications?
Yes. Mirroring displays the whole screen, so use Do Not Disturb when appropriate.
Will every USB-C phone output HDMI?
No. The phone must support video output over USB-C, which is a hardware feature.