In this tutorial you will learn how to replace the screen and LCD assembly on the AT&T iPhone 4. This repair is a high level of difficulty and requires prior experience to be successful. If you feel that this repair is not for you, iRepair Solutions offers a nationwide same-day iPhone repair service.
For this repair you will need a philips head screwdriver, a flat head screwdriver, a plastic spudger tool, a sim card tray removal tool, and sometimes a 5 star screwdriver, depending on the two bottom screws on the iPhone.
step 1
Remove the sim card tray located on the side of the iPhone. Press the sim card removal tool into the small hole to get the sim card tray to slide out. The sim card tray should slide out.
step 2
Use the philips head or the 5 star screwdriver to remove the two screws on the bottom of the iPhone
step 3
Slide the back cover up and lift it out of the iPhone. This will give you access to the internal components.
step 4
Remove the screw holding the battery connection in place. Lift the connection out using the spudger tool. Once disconnected pry the iPhone battery out.
step 5
Remove the antenna connection cover and the antenna located next to the battery connection. It simply snaps off.
step 6
Remove two screws holding the metal plate covering the charging port flex cable. After removing the plate, use the plastic spudger tool and remove the connection of the motherboard.
step 7
The speakerphone is held in place by two screws. Remove them. The screw on the left also holds the motherboard in place.
step 8
Remove the white “water damage indicator” sticker and the screw underneath it.
step 9
Remove two screws holding the vibration module.
step 10
Remove five screws holding the metal cover over the motherboard connections.
step 11
After removing the metal cover from the board, snap the flex cables of using the spudger tool Be careful not to tear any of the flex cables.
step 12
Remove the camera from the motherboard.
step 13
Remove the last screw holding the motherboard in place. Use a flat head screwdriver to do this.
step 14
Lift the motherboard out of the iPhone. Take great care with the surrounding flex cables. Do not force anything if you feel resistance.
step 15
You will need to remove four more screws located in all four corners of the iPhone They hold the iPhone screen in place.
Step 16
There are six more screws on the sides of the phone. Loosen them but do not remove them. This makes it easier to re-assemble the iPhone. These screws make sure that the screen stays flush with the mid-frame.
Step 17
Pry the iPhone screen from the mid-frame and remove the two flex cables through the opening in the mid-frame.
Step 18
Save the grill mesh and the camera holder to replace on the iPhone. Reusing these parts saves a lot of time.
Step 19
Re-install the adhesives for the screen and reinstall the new iPhone 4 screen in place. Be careful sliding the digitizer and LCD flex cable throught the mid-frame.
Follow these instructions in reverse order to re-assemble the iPhone.