The one everybody hits first
Why Netflix Won't Mirror or AirPlay From an iPhone
Netflix does not support AirPlay, and will not mirror from an iPhone that way. What still works: photos, videos and other apps from the phone.
Read itThe mirroring blog
This blog has 9 articles with fixes for AirPlay and screen mirroring problems and 13 guides for your TV. Start with your problem, then open the guide for your TV brand. To mirror your iPhone, use Screen Mirroring · Smart TV. It remembers your TV, so next time it is one tap, with no codes to type.
More from the blog
The TV is right there and the screen stays empty. These take it apart, symptom by symptom.
Guides for your TV
How the picture gets from a phone in your hand to the television across the room.
Put tonight on the TV
Pick your TV in the app and mirror your iPhone in one tap.
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