Phone · Motorola · Moto Edge 20 Lite
Motorola Moto Edge 20 Lite Microphone Repair
Microphone Repair guide for the Motorola Moto Edge 20 Lite
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Precision screwdriver set (Phillips #00)
- Tweezers
- Spudger tool
Parts / materials
- Replacement Moto Edge 20 Lite microphone sub-board
- Back panel adhesive tape
- Isopropyl alcohol (99%)
Safety
- Power off the device completely before starting any repair work.
- Wear eye protection when applying heat to plastic or glass surfaces.
- Do not puncture or apply pressure to the battery while working inside the frame.
Overview
Step-by-step
- 1
Power off device and remove SIM tray
2 minTurn off your Motorola Moto Edge 20 Lite completely. Insert a SIM eject tool into the tray hole on the left edge to remove the SIM card tray.
- 2
Heat the rear cover edges
3 minUse a heat gun or hair dryer on medium setting to warm the outer edges of the back panel for two minutes. This softens the factory adhesive securing the panel.
- 3
Attach suction cup to rear cover
2 minPlace a suction cup near the bottom edge of the back panel. Pull up gently on the suction cup handle to create a tiny gap between the cover and the frame.
- 4
Slice through back cover adhesive
5 minInsert a plastic opening pick into the gap created by the suction cup. Slide the pick along all four edges to cut through the perimeter adhesive.
- 5
Remove the rear panel
1 minLift the rear cover straight off the chassis once all adhesive is severed. Set the back panel aside on a clean surface.
- 6
Remove lower speaker screws
3 minUse a Phillips #00 screwdriver to remove the screws securing the plastic speaker cover at the bottom of the device.
- 7
Detach the speaker assembly
2 minInsert a flat spudger under the lower edge of the speaker housing. Carefully pry up and remove the speaker cover to reveal the sub-board.
- 8
Disconnect the main flex cable
2 minLocate the wide main interconnect flex cable connected to the bottom sub-board. Use a flat spudger to pop the press-fit connector straight up.
- 9
Unclip the antenna coaxial cable
2 minUse fine-tip tweezers to gently lever the antenna coaxial cable connector straight up off the sub-board terminal.
- 10
Pry up the microphone sub-board
3 minInsert the flat end of a spudger beneath the sub-board containing the primary microphone. Pry gently to release it from the light adhesive underneath.
- 11
Clean the acoustic microphone port
2 minInspect the microphone channel hole at the bottom of the phone frame. Clear any dust or debris using tweezers or a brush moistened with isopropyl alcohol.
- 12
Insert the new microphone sub-board
3 minAlign the replacement sub-board into the bottom cavity of the frame. Press down firmly so the integrated primary microphone sits flush against the port gasket.
- 13
Reconnect the interconnect and antenna cables
3 minSnap the main flex cable press-fit connector onto the sub-board socket. Carefully press the antenna coaxial cable back into its round socket until it clicks.
- 14
Reattach the speaker cover and screws
3 minPosition the speaker assembly back over the bottom sub-board. Reinstall and tighten the Phillips #00 screws to lock it into place.
- 15
Seal the rear panel with adhesive
4 minApply fresh pre-cut adhesive tape along the perimeter frame. Align the rear cover onto the phone and press firmly along the edges to seal it.
After your Motorola Moto Edge 20 Lite microphone repair
Power the Moto Edge 20 Lite 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 Lite 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 Edge 20 Lite repair context in the encyclopedia, or open related DIY guides.

