Phone · Apple · iPhone 12 Mini
Apple iPhone 12 Mini Microphone Repair
Microphone Repair guide for the Apple iPhone 12 Mini
Before you begin
Tools
- P2 Pentalobe Screwdriver
- Tri-point Y000 Screwdriver
- Phillips #000 Screwdriver
- Spudger Tool
- Suction Cup Tool
- Plastic Prying Tools
- Heat Gun or Hair Dryer
- Tweezers
Parts / materials
- Replacement iPhone 12 Mini Lightning and Microphone Flex Cable
- Display Assembly Adhesive Strip
- Isopropyl Alcohol (99%)
Safety
- Discharge the iPhone battery below 25% before starting disassembly to minimize fire hazards.
- Wear safety glasses while heating and prying glass surfaces.
- Use an anti-static wrist strap to protect delicate internal electronics from static discharge.
Overview
Step-by-step
- 1
Power Off the iPhone
1 minTurn off your iPhone 12 Mini completely before beginning disassembly to prevent electrical shorts.
- 2
Remove Pentalobe Screws
2 minUse a P2 pentalobe screwdriver to remove the two 3.5 mm screws located on either side of the Lightning port.
- 3
Heat the Lower Edge
2 minApply a heat gun or hairdryer to the bottom edge of the device for two minutes to soften the display adhesive.
- 4
Attach Suction Cup
1 minPlace a suction cup on the lower glass, taking care not to place it over the edge of the screen.
- 5
Lift Screen and Insert Pick
3 minPull up firmly on the suction cup to create a slight gap, then insert an opening pick under the lower edge.
- 6
Slice Display Adhesive
4 minSlide the plastic pick along the left and right edges to cut through the perimeter waterproof seal.
- 7
Open Display Assembly
2 minSwing the display open from the right edge like a book, resting it upright against a stable object.
- 8
Remove Lower Bracket Screws
3 minUse a Y000 tri-point screwdriver to remove the four screws securing the lower logic board cover plate.
- 9
Remove Lower Cover Bracket
1 minLift the metal connector cover bracket out of the phone using tweezers and set it aside.
- 10
Disconnect the Battery
1 minPry the battery press connector straight up from its logic board socket using the pointed end of a spudger.
- 11
Disconnect Display Connectors
2 minDisconnect the OLED display cable and digitizer cable press connectors from the logic board using a spudger.
- 12
Remove Loudspeaker Screws
3 minUse a Phillips #000 screwdriver to remove the four screws holding the lower speaker enclosure in place.
- 13
Remove Lower Loudspeaker
2 minGently pry up and remove the loudspeaker assembly from the bottom of the phone case.
- 14
Remove Taptic Engine Screws
3 minUnscrew the Standoff and Phillips screws securing the Taptic Engine vibration motor.
- 15
Remove the Taptic Engine
2 minDisconnect the Taptic Engine ribbon cable and lift the motor unit out of the chassis.
- 16
Unbolt Microphone Assembly Screws
3 minRemove the Phillips screws holding the microphone rubber boot and lower flex cable assembly to the frame.
- 17
Peel Lower Microphone Flex
4 minApply mild heat to the rear case bottom, then slide a thin pry tool under the primary microphone and flex cable to release the adhesive.
- 18
Install New Microphone Assembly
3 minAlign the replacement flex cable and microphone module into the lower frame housing, pressing firmly to set the adhesive.
After your Apple iPhone 12 Mini microphone repair
Power the iPhone 12 Mini 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 Mini 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 Mini repair context in the encyclopedia, or open related DIY guides.
