To cast to Chromecast / Android TV:\n\n Make sure both your TV and your phone are connected to the same Wi-Fi network. To cast from your iOS device, go to Settings > Prime Video and toggle the Local Network ON.Tap on the Cast icon. You'll find the button on the bottom-right corner on your mobile device.
Prime Video is available as part of the Amazon Prime membership, which costsR$14.99 per month orR$139 annually for an individual. Prime has all your entertainment and streaming needs in a single membership.