My iPhone 6 plus screen is not opening even after pressing the side button what should I do?

My iPhone 6 plus screen is not opening even after pressing the side button what should I do? - 1

You should try and hold the home and power button for 5 secs and it'll restart and work again

You should try the hard restart.
If do not work, you need to replace a new screen.
Buy the screen at the amazon, HCQS.US