How do I mirror from laptop/phone to my TV?

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dllive said:

Ive done a bit further googling and it seems I cant 'cast' my mobile screen unless I get a chromecast? Odd, this functioanlity was part of iOS. Perhaps Im wrong.

I think you are wrong. On my Android phone I swipe down from the top of the screen and it shows 5 buttons for data, wifi, torch, etc. Repeat and it expands to 3 rows of buttons. I then swipe left and there is another group of buttons, including a "cast" button. It won't be exactly the same on your Samsung, but I imagine it's very similar.