Phone · Motorola · Moto Edge 20 Pro
Motorola Moto Edge 20 Pro Microphone Repair
Microphone Repair guide for the Motorola Moto Edge 20 Pro
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 microphone sub-board
- Pre-cut rear cover adhesive tape
- Isopropyl alcohol (91%+)
Safety
- Disconnect the battery before touching internal components to prevent electrical shorts.
- Wear safety glasses to protect against potential glass fragments if the back panel is cracked.
- Do not bend or puncture the internal battery during prying operations.
Overview
Step-by-step
- 1
Eject the SIM Tray
1 minInsert a SIM eject tool into the small hole beside the SIM tray on the bottom frame. Push firmly inward to eject the tray, then pull it out completely.
- 2
Heat the Rear Glass Panel
3 minApply heat to the edges of the back cover using a heat gun or hair dryer for 2 to 3 minutes to soften the rear adhesive.
- 3
Attach Suction Cup
1 minPlace a suction cup near the bottom edge of the rear panel and press firmly to seal it.
- 4
Create an Opening Gap
2 minPull up on the suction cup handle while inserting a thin plastic opening pick into the gap created between the glass and frame.
- 5
Slice Rear Adhesive
3 minSlide the plastic pick along the bottom, left, and right perimeter to cut through the adhesive seal. Reapply heat if you feel resistance.
- 6
Remove the Rear Panel
2 minGently lift the rear glass cover off the device and set it aside. Use isopropyl alcohol to clean old adhesive off the frame edges.
- 7
Unscrew the Upper Motherboard Cover
3 minUse a Phillips #000 screwdriver to remove the screws securing the top plastic motherboard shield.
- 8
Remove Motherboard Cover
1 minPry up the upper motherboard shield using a plastic spudger and remove it from the device.
- 9
Disconnect the Battery
1 minUse the flat end of a spudger to pry the battery flex cable connector straight up from the motherboard.
- 10
Unscrew Lower Speaker Housing
2 minRemove the Phillips #000 screws securing the bottom speaker and sub-board cover module.
- 11
Remove Lower Speaker Housing
1 minInsert a spudger under the edge of the lower speaker assembly and pop it out of the frame.
- 12
Disconnect Interconnect Cable
1 minUse a spudger to detach the main flex ribbon cable connector from the daughterboard/sub-board.
- 13
Disconnect Coaxial Antennas
2 minUse precision tweezers to carefully pry up the black and white coaxial antenna cable heads from the sub-board.
- 14
Pry Up Microphone Sub-Board
2 minInsert a flat spudger underneath the edge of the microphone sub-board and lift it out of the bottom housing.
- 15
Install New Microphone Sub-Board
2 minPlace the replacement sub-board into the lower housing slot, ensuring the lower primary microphone aligns with the port hole.
- 16
Reconnect Flex Cables and Antennas
2 minSnap the main interconnect cable connector and both coaxial antenna cables back onto the new sub-board.
- 17
Reinstall Speaker and Reconnect Battery
3 minSnap the lower speaker housing back in place and secure its screws, then reconnect the battery cable and reattach the upper cover.
- 18
Reseal Rear Panel
3 minApply new adhesive tape along the frame perimeter, align the rear glass cover, and press firmly along the edges to seal.
After your Motorola Moto Edge 20 Pro microphone repair
Power the Moto Edge 20 Pro 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 Pro 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 Pro repair context in the encyclopedia, or open related DIY guides.
