Phone · Motorola · Moto G 5G 2020
Motorola Moto G 5G 2020 Microphone Repair
Microphone Repair guide for the Motorola Moto G 5G 2020
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Precision screwdriver set (Phillips #000)
- Spudger tool
- Tweezers
- SIM eject tool
Parts / materials
- Replacement Moto G 5G microphone sub-board
- Pre-cut back cover adhesive tape
- Isopropyl alcohol (91%+)
Safety
- Power off the device completely before starting disassembly.
- Do not puncture or apply excessive force near the internal lithium-ion battery.
- Wear eye protection when heating adhesive and opening plastic phone panels.
Overview
Step-by-step
- 1
Power off the phone
1 minPress and hold the power button, then select Power Off on the screen. Ensure the device is fully shut down before proceeding.
- 2
Remove the SIM tray
1 minInsert a SIM eject tool into the hole next to the SIM tray on the left side of the frame. Push firmly to pop the tray out, then remove it completely.
- 3
Heat the rear cover
2 minApply a heat gun or hair dryer to the outer edges of the back panel for two minutes. This softens the adhesive holding the rear panel to the frame.
- 4
Attach the suction cup
2 minPress a suction cup firmly onto the lower portion of the rear panel. Pull up gently to create a small gap between the back cover and frame.
- 5
Slice the perimeter adhesive
4 minInsert a plastic opening pick into the gap created by the suction cup. Slide the pick around all four edges to slice through the adhesive.
- 6
Lift the rear panel
2 minCarefully tilt the back cover open from the right side like a book. Do not pull it away completely yet, as the fingerprint sensor flex cable is still connected.
- 7
Unscrew the fingerprint bracket
2 minUse a Phillips #000 screwdriver to remove the single screw securing the metal bracket over the fingerprint cable connector.
- 8
Disconnect the fingerprint sensor
2 minUse the flat end of a spudger to pry the fingerprint sensor flex cable straight up from its socket. Remove the rear panel from the workspace.
- 9
Unscrew the loudspeaker cover
3 minRemove the seven Phillips #000 screws securing the bottom loudspeaker assembly to the frame. Keep the screws organized for reassembly.
- 10
Pry up the loudspeaker assembly
2 minInsert a spudger beneath the edge of the loudspeaker assembly and lift it out of the chassis. Set the speaker housing aside.
- 11
Disconnect the main interconnect cable
1 minUse a spudger to gently pop off the main board-to-board flex cable connector from the sub-board.
- 12
Disconnect the antenna cable
2 minUse precision tweezers to unsnap the coaxial antenna cable from its connector on the microphone sub-board.
- 13
Remove the microphone sub-board
2 minInsert the flat edge of a spudger under the sub-board and lift it free from the phone frame. Ensure the tiny rubber microphone gasket is removed with it.
- 14
Install the new microphone sub-board
2 minAlign the new sub-board into the lower recess of the phone frame and press down firmly to set it in place.
- 15
Reconnect the antenna cable
2 minAlign the coaxial antenna cable connector over its socket on the sub-board and gently press down until it snaps into place.
- 16
Reconnect the interconnect cable
1 minPosition the main board-to-board flex cable over the sub-board terminal and press firmly until you feel a click.
- 17
Reinstall the loudspeaker cover
3 minPlace the loudspeaker cover back over the sub-board area and secure it with the seven Phillips #000 screws.
- 18
Reconnect and secure the fingerprint sensor
2 minSnap the fingerprint sensor cable onto the motherboard, reposition the metal cover bracket, and tighten the Phillips screw.
- 19
Reseal the back cover
3 minApply new pre-cut adhesive to the edges of the frame, align the rear cover, and press firmly along the edges to seal the phone.
After your Motorola Moto G 5G 2020 microphone repair
Power the Moto G 5G 2020 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 G 5G 2020 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 G 5G 2020 repair context in the encyclopedia, or open related DIY guides.

