If you're having trouble casting, you may not have the latest version of the Tubi app installed.

You can check if there is an update for Tubi available by following the steps below:

• Open the Google Play Store app on your phone
• Search for Tubi
• Tap on Tubi - Free Movies & TV
• If you see Update please select it and the latest version of Tubi will be installed on your device.

Afterward, you'll be able to cast Tubi without any problems. Check out how to cast here.