The easiest way to connect wirelessly is with Apple's own media hub/extender, Apple TV. Once your Apple TV is set up, make sure it's connected to the same home Wi-Fi network as your iPhone or iPad.
How To Connect iPad To TV with HDMI (A - Joy of Apple Dec 18, 2018 Why can't my Ipad and Apple TV connec… - Apple Community Feb 02, 2013 How to Set Up an Apple TV Using an iPhone, iPad, or
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If AirPlay or screen mirroring isn’t - Apple Support Make sure that your devices are on and nearby. Check that your AirPlay-compatible devices are on. … How To Connect Your iPhone Or iPad To Your TV
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How to Set Up an Apple TV Using an iPhone, iPad, or Jun 10, 2015 I Want To Connect My iPad To Panasonic Smart TV: How?