Phone · Motorola · Moto G54
Motorola Moto G54 Microphone Repair
Microphone Repair guide for the Motorola Moto G54
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Phillips #00 screwdriver
- Spudger tool
- Tweezers
- SIM card eject tool
Parts / materials
- Replacement Moto G54 sub-board with microphone
- Pre-cut back cover adhesive tape
- 90%+ Isopropyl alcohol
Safety
- Turn off the phone completely before starting to prevent electrical shorts.
- Wear safety glasses when heating and prying plastic panels.
- Avoid using sharp metal tools directly against the internal battery.
Overview
Step-by-step
- 1
Power Off the Device
1 minPress and hold the Power button, then tap Power Off on the screen.
- 2
Eject the SIM Tray
1 minInsert a SIM eject tool into the pinhole on the side of the phone and pull out the SIM tray.
- 3
Heat the Back Cover
2 minUse a heat gun or hair dryer along the back perimeter for two minutes to soften the adhesive.
- 4
Attach Suction Cup
1 minPlace a suction cup near the bottom edge of the back panel and pull gently to create a gap.
- 5
Slice the Adhesive
4 minInsert a plastic opening pick into the gap and slide it along all edges to cut the adhesive.
- 6
Remove the Back Cover
1 minLift the rear plastic cover away from the phone frame and set it aside.
- 7
Unscrew the Lower Speaker Cover
3 minRemove the Phillips #00 screws holding the bottom speaker housing in place.
- 8
Remove the Speaker Module
2 minInsert a spudger beneath the lower speaker module and lift it out of the chassis.
- 9
Disconnect the Interconnect Flex Cable
2 minPry up the lower connector of the main ribbon cable from the daughterboard using a spudger.
- 10
Disconnect the Antenna Cable
2 minUse fine tweezers to carefully unclip the coaxial antenna connector from the daughterboard.
- 11
Remove the Faulty Sub-Board
2 minGently pry beneath the lower daughterboard containing the primary microphone and remove it.
- 12
Position the New Sub-Board
2 minPlace the new sub-board equipped with the replacement microphone into the lower frame recess.
- 13
Reconnect Flex and Antenna Cables
2 minPress the interconnect flex connector and snap the coaxial cable back onto the new board.
- 14
Reinstall the Speaker Module
3 minFit the speaker cover over the bottom assembly and drive in the Phillips screws to secure it.
- 15
Apply Fresh Back Cover Adhesive
3 minClean off old adhesive and apply new pre-cut adhesive tape along the frame perimeter.
- 16
Reattach the Back Cover
2 minAlign the back cover with the frame and press firmly along all edges to seal it.
After your Motorola Moto G54 microphone repair
Power the Moto G54 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 G54 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 G54 repair context in the encyclopedia, or open related DIY guides.

