Using Chromecast from an iPhone is a great way to enjoy content on a bigger screen! First, make sure your iPhone and Chromecast are connected to the same Wi-Fi network. Then, open a Chromecast-compatible app like YouTube or Netflix, and look for the Cast icon. Tap it and select your Chromecast device. What type of content do you enjoy casting to your TV? If you run into any issues, I'm here to help troubleshoot!