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Limited AirPlay support is provided for older iOS devices to show photos and videos, but not full mirroring of the device screen.
If your iOS device has trouble auto-discovering the wireless receivers in the room you can download the AirServer Connect app (https://itunes.apple.com/us/app/airserver-connect/id967004087?mt=8) to scan the QR code ont he screen to make the connection.
Step-by-step guide
To connect to a wireless display
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