Introduction
Use this guide to replace the dock connector assembly, which includes the dock connector and lower microphone.
What you need
Video Overview
-
-
Power off your iPhone before beginning disassembly.
-
Your iPhone 4 rear cover may have either two #000 Phillips screws or Apple's 5-Point "Pentalobe" screws (second image). Check which screws you have, and ensure you also have the correct screwdriver in order to remove them.
-
Remove the two 3.6 mm Pentalobe or Phillips #000 screws next to the dock connector.
-
-
-
Pinch the rear panel with your fingers and lift it away from the iPhone. Alternatively, use a Small Suction Cup .
-
-
-
Remove the single 2.5 mm Phillips screw securing the battery connector to the logic board.
-
-
-
Use a plastic opening tool to gently pry the battery connector up from its socket on the logic board.
-
Remove the metal clip covering the antenna connector.
-
-
-
Use the clear plastic pull tab to gently lift the battery out of the iPhone.
-
If there's any alcohol solution remaining in the phone, carefully wipe it off or allow it to air dry before installing your new battery.
-
Before reconnecting the battery connector, be sure the contact clip (shown in red) is properly positioned next to the battery connector.
-
-
-
Remove the following two screws:
-
One 1.2 mm Phillips
-
One 1.6 mm Phillips
-
Remove the thin steel dock connector cable cover from the iPhone.
-
-
-
-
Use a plastic opening tool to gently pry the dock cable connector up off the logic board from both short ends of the connector.
-
-
-
Use a plastic opening tool to pry the lower antenna connector up off its socket on the logic board.
-
-
-
Remove the following screws securing the speaker enclosure assembly to the outer case:
-
One 1.9 mm Phillips screw
-
One 2.4 mm Phillips screw
-
-
-
Use a plastic opening tool to lift the speaker enclosure assembly out of the case, being sure not to damage the EMI fingers on the attached Wi-Fi antenna.
-
Remove the speaker enclosure assembly.
-
-
-
Use the edge of a plastic opening tool to carefully peel the bottom edge of the dock connector assembly off the adhesive securing it to the rear case.
-
-
-
Use the tip of a spudger or your fingernail to flip up the home button ribbon cable retaining flap.
-
Use a pair of tweezers to gently pull the home button ribbon cable out of its socket. Note its position for reinsertion.
-
-
-
Use the flat edge of a spudger to carefully peel the left edge of the dock connector assembly and its ribbon cable off the adhesive securing it to the rear case.
-
Pry the right edge of the dock connector off the rear case.
-
-
-
Use the flat edge of a spudger to push the lower microphone away from the bottom edge of the iPhone.
-
-
-
Slide the rubber cover off the microphone attached to the old dock connector and transfer it to your new dock connector.
-
The ribbon is very fragile and can easily be torn when placing the rubber cover onto your new part.
-