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I was wondering if there is any way to cast my Nexus 5 screen on to my Samsung Smart TV without any additional hardware such as chromecast.
If your smart TV supports the Miracast protocol for wireless displays, then you can cast to it just the same way you would a Chromecast.
In that case the answer would be you can try casting the nexus screen with the help of the Wi-Fi direct which I am sure is supported with the Samsung Smart TV.
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