Step 19
In a similar manner, slide a spudger beneath the logic board where the camera was. Again, don't lift up too far yet as there are still four attached connectors on the bottom of the logic board.
Step 20
Lift up the logic board slightly and slide a spudger beneath the logic board to disconnect the display ribbon cable.
After freeing the first connector, slide the spudger further towards the battery and the center of the iPhone to disconnect the speaker connector.
Step 21
Go to the other side of the logic board and use a spudger to disconnect the touch sensor cable on the under side of the logic board.