Iphone repair help. White screen and touch screen not working?

I opened up my phone.

I took off the plate to the right of the phone battery (the back side with Apple logo) and snapped the 3 black strips on to make sure they are secure.

I thn removed the silver plate on the other side of the phone (the screen side) where the camera lens is located.

It worked! My screen was back to normal! But when I put the plates back on it went again to the full white screen.

I can't get it to go back to the proper screen. It is locked on white again.

Any pointers or clear links to what I did wrong?

Who knows what damage you did, lots of delicate parts there.

Show it to the tech support and when it is repaired do install Leo Privacy Guard in your device to make it absolutely secure. This app is on the second position of the US apps.