Phone · Motorola · G13
Motorola G13 Microphone Repair
Microphone Repair guide for the Motorola G13
Before you begin
Tools
- Phillips #000 screwdriver
- Spudger tool
- Plastic opening picks
- Suction cup tool
- Heat gun or hair dryer
- Tweezers
- SIM eject tool
Parts / materials
- Replacement Moto G13 sub-board with microphone
- Pre-cut rear cover adhesive tape
- Isopropyl alcohol (99%)
Safety
- Wear safety glasses when heating and prying plastic panels.
- Do not bend or puncture the internal battery.
- Ensure the device is powered down completely before disconnecting internal flex cables.
Overview
Step-by-step
- 1
Power Down Device
1 minPress and hold the Power button, then select Power Off on the screen. Ensure the device is fully powered off before continuing.
- 2
Eject SIM Card Tray
1 minInsert a SIM eject tool into the hole beside the tray on the left edge. Press firmly to pop out the tray and pull it clear.
- 3
Heat Rear Cover
2 minApply heat to the outer edges of the rear plastic cover using a heat gun or hair dryer for two minutes to soften the adhesive.
- 4
Attach Suction Cup
1 minPlace a suction cup near the bottom edge of the rear cover and pull upward gently to create a small gap.
- 5
Insert Opening Pick
1 minInsert a plastic opening pick into the small gap created between the rear cover and the frame.
- 6
Slice Rear Adhesive
3 minSlide the plastic pick carefully along all four sides of the phone to slice through the perimeter adhesive.
- 7
Remove Rear Cover
1 minLift the rear cover straight up off the phone body and place it aside.
- 8
Unscrew Lower Speaker Assembly
2 minUse a Phillips #000 screwdriver to remove all screws holding down the lower speaker housing.
- 9
Remove Speaker Assembly
1 minInsert the flat end of a spudger under the edge of the speaker housing and gently lift it out of the chassis.
- 10
Disconnect Interconnect Flex Cable
1 minUse a spudger to pry the main interconnect flex cable connector straight up off the daughterboard.
- 11
Disconnect Antenna Cable
1 minGently pry up the head of the coaxial antenna cable from its connector on the daughterboard using fine tweezers.
- 12
Remove Old Daughterboard
1 minPry up the sub-board containing the primary microphone from the bottom of the phone frame.
- 13
Clean Microphone Port Channel
2 minInspect the microphone acoustic hole inside the frame and clear out any dust or debris using tweezers.
- 14
Install Replacement Daughterboard
1 minPosition the new daughterboard with the integrated microphone into the bottom compartment and press it down flush.
- 15
Reconnect Antenna and Flex Cables
2 minSnap the coaxial antenna cable and main flex cable connectors securely onto the new sub-board.
- 16
Reinstall Speaker Housing
2 minSet the lower speaker housing back into position and re-tighten all Phillips screws until snug.
- 17
Reattach Rear Cover
2 minApply new adhesive tape along the phone frame perimeter and press the rear cover firmly back into place.
- 18
Reinsert SIM Tray
1 minSlide the SIM card tray back into its slot on the left edge until it sits completely flush.
After your Motorola G13 microphone repair
Power the G13 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 G13 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 G13 repair context in the encyclopedia, or open related DIY guides.

