Iphone 6+ won't focus when taking photos?

Hi! So I got my iPhone 6+ on Christmas Day and around February time the camera completely stopped focussing. I've tapped on the screen before taking photos, reset it (turning it off and on again because I don't want to erase anything on here) I've tried everything and nothing seems to work. The camera only seems to focus when I take a photo that's at an exact distance (around 30cm away from the camera) everything else appears blurred. When I take photos everything is unfocused and blurry which bothers me because I had the phone for like two months before the focus stopped working. I smashed it about a month ago so if I take it back to Apple they won't serve me because they'll blame it on the smash. What can I do?

Well you smashed it as you said, so obviously its related.

You smashed your phone and now you're wondering why the photos are blurred?

Tap and hold on your focus point until you see the "AE/AF option.

If its not that which is doing it then your phone is done and needs replacing.

YOU broke your phone. YOU pay to have it fixed or replaced. That's the way things work in real life.

Understand the camera quit focusing then later you smashed it. Want to make the obvious point you should learn from this, take care of the problem when you have it (like last February), then Apple would have had to honor its warranty.

In the meantime, try what Landshark said.