Phone · Motorola · Moto Edge 20
Motorola Moto Edge 20 Microphone Repair
Microphone Repair guide for the Motorola Moto Edge 20
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Phillips #000 screwdriver
- Spudger tool
- Tweezers
- SIM eject tool
Parts / materials
- Replacement Moto Edge 20 daughterboard with microphone
- Rear cover adhesive strips
- Isopropyl alcohol (99%)
Safety
- Wear safety glasses to protect your eyes when prying glued components.
- Use an anti-static wrist strap to prevent electrostatic damage to internal circuitry.
- Do not puncture or bend the internal battery while working inside the device.
Overview
Step-by-step
- 1
Power off the device
1 minShut down the Motorola Moto Edge 20 completely before starting the repair.
- 2
Eject the SIM card tray
1 minInsert a SIM eject tool into the hole on the bottom edge and remove the SIM tray.
- 3
Heat the rear cover
3 minApply mild heat around the edges of the back cover for two minutes using a heat gun to soften the adhesive.
- 4
Attach a suction cup
1 minPlace a suction cup on the lower portion of the back panel and pull gently upward to create a small gap.
- 5
Slice the perimeter adhesive
4 minInsert a plastic prying pick into the gap and slide it along all edges to slice through the adhesive seal.
- 6
Remove the rear cover
2 minCarefully lift the rear panel away from the chassis and set it aside.
- 7
Unscrew the speaker assembly
3 minUse a Phillips #000 screwdriver to remove the screws securing the lower speaker housing.
- 8
Pry up the speaker module
2 minInsert the flat end of a spudger under the speaker housing and pry it up out of the phone frame.
- 9
Disconnect the main flex cable
2 minUse a spudger to pry up the main interconnect ribbon cable connector from the daughterboard.
- 10
Disconnect the antenna cables
2 minGently unclip the coaxial antenna cables from their headers on the daughterboard using tweezers.
- 11
Remove the old microphone daughterboard
2 minPry up the daughterboard containing the faulty primary microphone and remove it from the chassis.
- 12
Position the new microphone board
2 minAlign and press the replacement daughterboard into the lower chassis cavity.
- 13
Reconnect the antenna cables
2 minSnap the coaxial antenna cables firmly back onto their corresponding connectors on the new board.
- 14
Reconnect the main flex cable
2 minAlign the main interconnect ribbon connector over the daughterboard press header and snap it into place.
- 15
Reinstall the speaker module
3 minPlace the lower speaker assembly back into position and secure it using the Phillips screws.
- 16
Reseal the rear cover
3 minApply fresh pre-cut adhesive strips along the frame perimeter and press the rear cover firmly into place.
After your Motorola Moto Edge 20 microphone repair
Power the Moto Edge 20 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 Edge 20 job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Prefer a professional repair?
Book Motorola Moto Edge 20 microphone repair at LML Repair in Seattle — same-day options available.

