Phone · Apple · iPhone 12 Pro
Apple iPhone 12 Pro Microphone Repair
Microphone Repair guide for the Apple iPhone 12 Pro
Before you begin
Tools
- P2 Pentalobe screwdriver
- Tri-point Y000 screwdriver
- Phillips #000 screwdriver
- Plastic spudger
- Opening picks
- Suction cup
- Tweezers
- iOpener or heating pad
Parts / materials
- Replacement iPhone 12 Pro microphone and charging dock flex assembly
- Display perimeter adhesive seal
- 91%+ Isopropyl alcohol
Safety
- Discharge the iPhone battery below 25% prior to starting disassembly to prevent thermal runaway if punctured.
- Wear safety glasses to protect your eyes from broken glass or small metallic springs.
- Use an anti-static wrist strap to prevent electrostatic discharge from damaging delicate internal chips.
Overview
Step-by-step
- 1
Power off the iPhone
1 minPress and hold the side button and either volume button, then slide the screen toggle to turn off the iPhone completely.
- 2
Remove the pentalobe screws
2 minUnscrew the two 6.7 mm P2 pentalobe screws located on the bottom edge of the iPhone next to the Lightning port.
- 3
Heat the bottom edge
2 minApply a heated iOpener or hair dryer to the lower edge of the phone for two minutes to soften the display adhesive.
- 4
Attach a suction cup
1 minPress a suction cup firmly onto the lower half of the screen assembly, just above the home bar area.
- 5
Create a gap at the bottom edge
2 minPull up on the suction cup with firm pressure while inserting an opening pick into the gap above the pentalobe screws.
- 6
Slice the adhesive perimeter
3 minSlide the opening pick around the bottom, left, and right edges of the phone to cut through the display adhesive sealant.
- 7
Open the display assembly
1 minGently swing the display open from the right side like a book cover. Rest it securely against a vertical object so it does not strain the ribbon cables.
- 8
Unscrew the battery connector cover
2 minRemove the two 1.1 mm Tri-point Y000 screws holding down the lower logic board connector cover.
- 9
Remove the connector cover
1 minUse tweezers to lift the lower metal bracket out of the phone chassis.
- 10
Disconnect the battery
1 minPry the battery press connector straight up off its socket on the logic board using a plastic spudger.
- 11
Unscrew the display cable cover
2 minRemove the four Tri-point Y000 screws securing the upper display connector bracket.
- 12
Remove the display bracket
1 minUse precision tweezers to lift the metal display bracket off the logic board.
- 13
Disconnect the display and digitizer cables
2 minUse a spudger to pry up the OLED display cable and digitizer press connectors from the board.
- 14
Disconnect the front sensor assembly
2 minDisconnect the front sensor assembly flex cable, then set the display assembly aside.
- 15
Unscrew the loudspeaker assembly
3 minRemove the four Phillips screws and one Tri-point screw securing the bottom loudspeaker module.
- 16
Remove the loudspeaker
1 minLift the loudspeaker out from the bottom edge of the rear housing.
- 17
Unscrew the Taptic Engine
2 minRemove the two Tri-point Y000 screws securing the Taptic Engine vibration unit.
- 18
Remove the Taptic Engine
2 minDisconnect the Taptic Engine flex cable and lift the module out of the lower chassis.
- 19
Unscrew the primary microphone bracket
3 minRemove the small retaining screws securing the primary bottom microphone and Lightning connector assembly.
- 20
Replace the bottom microphone assembly
5 minUse a spudger to gently pry the old microphone and Lightning assembly from the housing, then replace it with the new component.
After your Apple iPhone 12 Pro microphone repair
Power the iPhone 12 Pro back on and test the microphone repair function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Apple iPhone 12 Pro job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Apple iPhone 12 Pro repair context in the encyclopedia, or open related DIY guides.

