Phone · Motorola · G7 Play
Motorola G7 Play Microphone Repair
Microphone Repair guide for the Motorola G7 Play
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or iOpener
- Suction handle
- Opening picks
- Plastic spudger
- Tweezers
- SIM eject tool
Parts / materials
- Moto G7 Play replacement daughterboard with microphone
- Pre-cut back cover adhesive tape
- 90%+ Isopropyl alcohol
- Microfiber cleaning cloth
Safety
- Wear safety glasses to protect against accidental glass fragments or small flying plastic tabs.
- Do not puncture or bend the lithium-ion battery with sharp metal tools during disassembly.
- Work in a well-ventilated space when applying heat or working with cleaning solvents.
Overview
Step-by-step
- 1
Power off the phone
1 minPress and hold the power button, then select Power Off to completely turn off the device.
- 2
Eject the SIM tray
1 minInsert a SIM eject tool into the pinhole on the upper left edge and push to pop out the card tray.
- 3
Heat the rear cover
2 minApply a heat gun or heated iOpener along the perimeter of the back panel for two minutes to soften the adhesive.
- 4
Insert an opening pick
2 minAttach a suction handle to the lower back cover, pull upward to create a small gap, and insert an opening pick.
- 5
Slice the perimeter adhesive
4 minSlide the pick around all four edges of the back cover to cut through the glue, taking care around the fingerprint sensor area.
- 6
Lift the rear cover
1 minGently lift the back cover up and away from the phone frame, taking care not to strain any attached adhesive.
- 7
Unscrew the lower speaker housing
3 minUse a Phillips #00 screwdriver to remove the five screws securing the lower loudspeaker assembly.
- 8
Remove the loudspeaker assembly
2 minInsert the flat end of a spudger under the speaker cover notch and pry up to detach it from the phone frame.
- 9
Disconnect the interconnect flex cable
1 minPry straight up on the press connector joining the main interconnect cable to the lower daughterboard.
- 10
Disconnect the antenna cable
1 minUse tweezers to carefully pry up the coaxial antenna connector from the daughterboard socket.
- 11
Pry up the daughterboard
2 minInsert a spudger underneath the lower daughterboard and pry it out from the frame recess to remove the old microphone.
- 12
Position the new daughterboard
2 minSet the replacement daughterboard containing the new primary microphone into the bottom frame recess.
- 13
Reconnect the antenna cable
1 minAlign the coaxial antenna head over its socket on the daughterboard and press down gently until it snaps into place.
- 14
Attach the interconnect flex cable
1 minAlign the main flex cable connector over the daughterboard terminal and press firmly to secure it.
- 15
Reinstall the loudspeaker assembly
1 minPlace the loudspeaker cover back over the daughterboard and press down evenly around the edges.
- 16
Secure the speaker screws
3 minReinstall and tighten the five Phillips #00 screws to hold the loudspeaker assembly firmly in position.
- 17
Reseal the back cover
3 minApply new adhesive tape along the perimeter of the phone chassis and press the back cover down tightly to seal.
After your Motorola G7 Play microphone repair
Power the G7 Play 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 G7 Play 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 G7 Play repair context in the encyclopedia, or open related DIY guides.

