Chosen Solution

the phone does not turn on. it charges, but when I turn it on, the engine vibrates twice and nothing happens. What’s wrong with the phone?

I’m leaning toward this being a screen issue just based on what little information we have. @tree sponsore, what happens when you plug it into a computer? Is it recognized by iTunes? If so, I would probably start by replacing the screen. Since this is an older model, replacement screens are inexpensive and readily available. Here’s the guide to follow. iPhone 6 Screen Replacement - iFixit Repair Guide Don’t forget some screen adhesive; get a couple just in case it gets messed up or you end up needing to open the phone up again for some reason.