Phone · Motorola · G55 5G
Motorola G55 5G Microphone Repair
Microphone Repair guide for the Motorola G55 5G
Before you begin
Tools
- Precision screwdriver set
- Plastic opening tools
- Heat gun or hairdryer
- Suction cup
- Opening picks
- Tweezers
- Anti-static wrist strap
Parts / materials
- Replacement microphone sub-board
- Pre-cut back cover adhesive
- Isopropyl alcohol (99%)
Safety
- Wear an anti-static wrist strap to prevent electrostatic damage to internal electronics.
- Wear safety glasses while heating and prying glass or plastic panels.
- Do not puncture or bend the internal battery while working near the sub-board.
Overview
Step-by-step
- 1
Turn off the phone
1 minPress and hold the power button, then select Power Off to shut down the device completely.
- 2
Eject the SIM tray
1 minInsert a SIM eject tool into the hole next to the SIM tray on the left frame and remove the tray.
- 3
Heat the back cover
2 minApply a heat gun or hairdryer along the outer edges of the rear cover for two minutes to soften the adhesive.
- 4
Attach a suction cup
1 minPlace a suction cup onto the lower section of the back cover and pull upward firmly to create a gap.
- 5
Slice the perimeter adhesive
3 minInsert an opening pick into the gap and slowly slide it around all edges to cut through the glue.
- 6
Lift off the back cover
1 minGently lift the back cover straight off the frame and set it aside.
- 7
Unscrew the loudspeaker cover
2 minRemove the Phillips screws securing the lower loudspeaker assembly over the sub-board.
- 8
Remove the loudspeaker
1 minInsert a plastic spudger beneath the loudspeaker module and pry it up out of the phone.
- 9
Disconnect the main flex cable
1 minPry up the main interconnect ribbon cable connector from the bottom sub-board using a spudger.
- 10
Disconnect the coaxial antenna cable
1 minUse precision tweezers to unsnap the antenna coaxial cable head from the sub-board.
- 11
Pry up the old sub-board
2 minGently pry underneath the sub-board containing the integrated microphone and remove it from the housing.
- 12
Install the new sub-board
2 minPlace the replacement sub-board into the lower recess, ensuring the microphone port aligns with the housing opening.
- 13
Reconnect the coaxial antenna cable
1 minAlign the antenna cable head over its sub-board socket and press down lightly until it snaps into place.
- 14
Attach the main flex cable
1 minAlign the interconnect flex connector over the sub-board header and press firmly down to seat it.
- 15
Position the loudspeaker assembly
1 minSet the loudspeaker module back into place over the sub-board.
- 16
Secure the lower screws
2 minReinstall and tighten the Phillips screws to fasten the loudspeaker assembly.
- 17
Apply replacement adhesive
3 minClean the old adhesive residue with isopropyl alcohol, then apply fresh adhesive strips along the rear frame.
- 18
Seal the back cover
2 minPress the rear cover firmly against the frame to seal it, then reinsert the SIM card tray.
After your Motorola G55 5G microphone repair
Power the G55 5G 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 G55 5G 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 G55 5G repair context in the encyclopedia, or open related DIY guides.
