“I've read on some reviews, that the built in SmartCast/ChromeCast app is not very useful. I only use Chrome Cast for YouTube, can anyone tell me how well this app works with YouTube? Any issues? Does it support 4K casting?”

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• It works very well and easy and fast with YouTube only after pairing your phone with SmartCast. My teenage kids use it all the time.

  Answered by Alain 8 years ago

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• VIZIO SmartCast does support 4K Casting.

  Answered by VIZIO 8 years ago

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