Phone · Motorola · Moto G15
Motorola Moto G15 Microphone Repair
Microphone Repair guide for the Motorola Moto G15
Before you begin
Tools
- Precision screwdriver set (Phillips #00)
- Plastic opening tools
- Anti-static wrist strap
- Tweezers
- Suction cup
- Heat gun or iOpener
Parts / materials
- Replacement microphone sub-board
- Rear cover custom adhesive strips
- 99% Isopropyl alcohol
Safety
- Turn off the device completely before opening to avoid short circuits.
- Wear safety glasses when heating glass or plastic panels.
- Use non-conductive plastic tools around internal battery circuits.
Overview
Step-by-step
- 1
Power Off Phone
1 minPress and hold the power button, then tap Power Off on the screen. Ensure the device is completely shut down before proceeding.
- 2
Remove SIM Card Tray
1 minInsert a SIM eject tool into the pinhole on the side of the phone. Push firmly until the tray pops out, then remove it.
- 3
Heat the Rear Cover
2 minApply a heated iOpener or heat gun to the outer edges of the back cover for two minutes to soften the internal adhesive.
- 4
Slice Rear Cover Adhesive
3 minAttach a suction cup near the lower edge and pull up to create a gap. Slide a plastic opening pick into the gap to slice the adhesive.
- 5
Detach the Back Cover
3 minSlide the pick around all four edges of the back cover to cut remaining tape, then lift the back cover off the chassis.
- 6
Unscrew Lower Speaker Housing
3 minRemove the Phillips #00 screws securing the plastic loudspeaker assembly at the bottom of the phone.
- 7
Remove Lower Speaker Assembly
2 minInsert a plastic spudger beneath the edge of the speaker module and gently pry it out of the phone frame.
- 8
Disconnect Interconnect Flex Cable
1 minUse the flat end of a spudger to pry the main flex connector straight up from the lower sub-board.
- 9
Disconnect Antenna Cable
2 minUse precision tweezers to carefully lift the coaxial antenna cable connector off the sub-board header.
- 10
Pry Up Microphone Sub-Board
2 minSlide a thin plastic opening pick under the sub-board assembly and carefully pop it free from the recessed housing.
- 11
Position New Sub-Board Assembly
2 minPlace the replacement sub-board containing the integrated primary microphone into the lower frame cutout.
- 12
Reconnect Antenna and Interconnect Cables
2 minPress the antenna cable connector into place with tweezers, then snap the main interconnect flex connector onto the sub-board.
- 13
Reinstall Speaker Assembly
3 minAlign the loudspeaker housing over the sub-board, press it flat, and tighten the Phillips screws to secure it.
- 14
Reseal Back Cover
4 minClean remaining glue with isopropyl alcohol, apply new pre-cut adhesive, and press the back cover firmly onto the frame.
After your Motorola Moto G15 microphone repair
Power the Moto G15 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 Motorola Moto G15 job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Motorola Moto G15 repair context in the encyclopedia, or open related DIY guides.

