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Apple iPhone 12 Pro Microphone Repair

Microphone Repair guide for the Apple iPhone 12 Pro

Moderate
~39 min
20 steps

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

# Apple iPhone 12 Pro Microphone Repair Repair Guide Action-specific microphone repair walkthrough for the Apple iPhone 12 Pro. About 39 minutes across 20 steps. This DIY guide walks through microphone repair on the Apple iPhone 12 Pro (iPhone series phone). Before you open the device, confirm the exact model number on the Apple settings screen or rear housing so your replacement part matches the iPhone 12 Pro specifically—not a similar iPhone sibling. Most DIY techs finish this Apple iPhone 12 Pro microphone repair in about 39 minutes when parts and tools are ready. Difficulty is rated intermediate for this model. Recommended tools for this Apple iPhone 12 Pro job: P2 Pentalobe screwdriver, Tri-point Y000 screwdriver, Phillips #000 screwdriver, Plastic spudger, Opening picks, Suction cup, Tweezers, iOpener or heating pad. Parts and supplies: Replacement iPhone 12 Pro microphone and charging dock flex assembly, Display perimeter adhesive seal, 91%+ Isopropyl alcohol. Power the iPhone 12 Pro off completely, remove SIMs/SD cards if present, and work on a clean, well-lit surface with a magnetic mat for screws. If a step feels wrong for your Apple iPhone 12 Pro, stop and compare the connector layout to the photos in this guide. When you prefer a same-day pro repair in Seattle instead, LML Repair can handle microphone repair for this model with tested parts and a workmanship warranty.

Step-by-step

  1. 1

    Power off the iPhone

    1 min

    Press and hold the side button and either volume button, then slide the screen toggle to turn off the iPhone completely.

  2. 2

    Remove the pentalobe screws

    2 min

    Unscrew the two 6.7 mm P2 pentalobe screws located on the bottom edge of the iPhone next to the Lightning port.

  3. 3

    Heat the bottom edge

    2 min

    Apply a heated iOpener or hair dryer to the lower edge of the phone for two minutes to soften the display adhesive.

  4. 4

    Attach a suction cup

    1 min

    Press a suction cup firmly onto the lower half of the screen assembly, just above the home bar area.

  5. 5

    Create a gap at the bottom edge

    2 min

    Pull up on the suction cup with firm pressure while inserting an opening pick into the gap above the pentalobe screws.

  6. 6

    Slice the adhesive perimeter

    3 min

    Slide the opening pick around the bottom, left, and right edges of the phone to cut through the display adhesive sealant.

  7. 7

    Open the display assembly

    1 min

    Gently 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. 8

    Unscrew the battery connector cover

    2 min

    Remove the two 1.1 mm Tri-point Y000 screws holding down the lower logic board connector cover.

  9. 9

    Remove the connector cover

    1 min

    Use tweezers to lift the lower metal bracket out of the phone chassis.

  10. 10

    Disconnect the battery

    1 min

    Pry the battery press connector straight up off its socket on the logic board using a plastic spudger.

  11. 11

    Unscrew the display cable cover

    2 min

    Remove the four Tri-point Y000 screws securing the upper display connector bracket.

  12. 12

    Remove the display bracket

    1 min

    Use precision tweezers to lift the metal display bracket off the logic board.

  13. 13

    Disconnect the display and digitizer cables

    2 min

    Use a spudger to pry up the OLED display cable and digitizer press connectors from the board.

  14. 14

    Disconnect the front sensor assembly

    2 min

    Disconnect the front sensor assembly flex cable, then set the display assembly aside.

  15. 15

    Unscrew the loudspeaker assembly

    3 min

    Remove the four Phillips screws and one Tri-point screw securing the bottom loudspeaker module.

  16. 16

    Remove the loudspeaker

    1 min

    Lift the loudspeaker out from the bottom edge of the rear housing.

  17. 17

    Unscrew the Taptic Engine

    2 min

    Remove the two Tri-point Y000 screws securing the Taptic Engine vibration unit.

  18. 18

    Remove the Taptic Engine

    2 min

    Disconnect the Taptic Engine flex cable and lift the module out of the lower chassis.

  19. 19

    Unscrew the primary microphone bracket

    3 min

    Remove the small retaining screws securing the primary bottom microphone and Lightning connector assembly.

  20. 20

    Replace the bottom microphone assembly

    5 min

    Use 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.

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