Have a friend call you to see if you are recieving anything. If you recieve a call, the phone is running.
If the screen does not turn on, it may have problems and might need to be repaired or replaced.
Check to see if your phone has a battery.
If it does have a battery, the battery does not have power and needs to be charged. If the phone still won’t turn on after charging, you may need to replace the battery
There may be a short in the internal wiring.
If your phone has been in extremely moist environments, you may need to open it up and let it dry.
Your casing may need to be replaced, depending on the damage.
There may be a broken wire or loose connection inside your phone. You may need to check and see if your camera’s connection is secure.
You may also need to replace the camera.
