Answer to: Fake digitizer, bought from Amazon! I want an OEM part?No such thing as an oem part. Shops just advertise that they are but apple doesn't sell their parts separately. Its easier just to take it to a repair shop and pay 120 or so and have them fix it up so if there are any problems like youre mentioning you can just take it back and have them fix it.
Answer to: Control the iPhone screen from a computerTake apart the phone and scrub it gently with isopropyl alcohol. Then buy a new lcd assembly, charging port, and battery. This should get the phone to turn on. Or just send it to me and ill do it lol. Email me if you want I run a repair shop. firstname.lastname@example.org