Phone · Motorola · G35
Motorola G35 Microphone Repair
Microphone Repair guide for the Motorola G35
Before you begin
Tools
- Phillips #000 screwdriver
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Spudger tool
- Tweezers
- SIM eject tool
Parts / materials
- Replacement microphone sub-board
- Pre-cut back cover adhesive tape
- Isopropyl alcohol (99%)
Safety
- Wear protective safety glasses when applying heat near glass or plastic components.
- Always disconnect the battery flex cable before handling internal hardware.
- Do not bend or puncture the internal lithium-ion battery.
Overview
Step-by-step
- 1
Power Off Device
1 minPress and hold the power button, then select Power Off on the screen. Ensure the device is completely powered down before starting.
- 2
Remove SIM Card Tray
1 minInsert a SIM eject tool into the hole next to the card slot. Push gently until the tray pops out, then remove it.
- 3
Heat Back Cover
2 minApply heat evenly around the outer edges of the rear panel using a heat gun on low power for two minutes to soften the adhesive.
- 4
Apply Suction Cup
1 minAttach a suction cup near the bottom edge of the rear cover. Pull upward firmly to create a slight gap between the cover and the chassis.
- 5
Slice Back Panel Adhesive
3 minInsert a plastic opening pick into the gap created by the suction cup. Slide it along the perimeter to slice through the adhesive.
- 6
Remove Rear Panel
2 minCarefully lift the rear panel away from the phone body and set it aside on a clean surface.
- 7
Unbolt Loudspeaker Bracket
2 minUse a Phillips #000 screwdriver to remove the screws securing the bottom loudspeaker assembly.
- 8
Pry Out Loudspeaker Module
2 minInsert the flat end of a spudger beneath the loudspeaker module and pry upward to remove it from the frame.
- 9
Disconnect Battery Cable
1 minLocate the battery flex cable connector on the motherboard and disconnect it using a plastic spudger to disable power.
- 10
Disconnect Interconnect Cable
1 minUse a spudger to pop off the main interconnect ribbon cable press connector from the sub-board.
- 11
Detach Antenna Coaxial Cables
2 minUse fine tweezers to gently pry up the antenna coaxial cables connected to the bottom daughterboard.
- 12
Remove Microphone Sub-board
2 minPry the sub-board containing the integrated primary microphone up from the bottom housing recess.
- 13
Position New Sub-board
2 minPlace the replacement microphone daughterboard into the lower housing, pressing gently to seat it in position.
- 14
Reconnect Antenna and Flex Cables
2 minSnap the antenna coaxial connectors onto the sub-board, then press down the interconnect ribbon cable until it clicks.
- 15
Reconnect Battery Cable
1 minAlign the battery flex connector over its terminal on the mainboard and press down firmly to re-engage power.
- 16
Reinstall Loudspeaker Assembly
2 minLower the loudspeaker housing back over the sub-board and tighten the Phillips screws securely.
- 17
Reseal Rear Cover
3 minApply pre-cut adhesive strips along the phone frame perimeter, place the rear panel back on top, and press firmly along the edges.
After your Motorola G35 microphone repair
Power the G35 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 G35 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 G35 repair context in the encyclopedia, or open related DIY guides.

