Note 5 Screen Mirroring problem

I have just bought a note 5 to find there is no screen mirroring on this phone.

I have also tried to download the Samsung link app but it says it is not compatible with this phone.

Does anyone have any ideas, i only want to stream my videos to a Samsung T.V.

So far this phone has been a huge dissapointment, no external memory and now they take away something i tended to use everyday.

PLEASE HELP!!!!

CH