Phone · Motorola · G8 Play
Motorola G8 Play Microphone Repair
Microphone Repair guide for the Motorola G8 Play
Before you begin
Tools
- Phillips #00 Screwdriver
- Plastic opening picks
- Spudger
- Suction handle
- Heat gun or iOpener
- Tweezers
- SIM eject tool
Parts / materials
- Replacement Moto G8 Play microphone sub-board
- Pre-cut rear cover adhesive
- Isopropyl alcohol (99%)
Safety
- Ensure battery charge is below 25% to minimize thermal run-away risk if damaged.
- Do not heat the rear cover above 80°C (176°F) to avoid damaging internal plastic components.
- Use plastic tools around flex connectors to prevent shorting sensitive circuit components.
Overview
Step-by-step
- 1
Power off the phone
1 minPress and hold the power button, then tap Power Off on the screen. Ensure the phone is completely shut down before proceeding.
- 2
Eject the SIM tray
1 minInsert a SIM eject tool into the hole next to the SIM card tray on the left edge. Push firmly to pop the tray out, then remove it.
- 3
Heat the rear panel
2 minApply a heat gun or heated iOpener around the outer edges of the rear cover for two minutes to soften the adhesive.
- 4
Insert an opening pick
2 minPress a suction cup onto the lower back cover and pull upward to create a small gap. Insert a plastic opening pick into the seam.
- 5
Slice the perimeter adhesive
3 minSlide the plastic pick carefully along all four sides to separate the back cover from the frame clips and adhesive.
- 6
Open the back cover carefully
2 minGently swing open the back cover from the right side like a book. Do not pull it away completely yet as the fingerprint ribbon cable is attached.
- 7
Remove the fingerprint sensor bracket
2 minUnscrew the single Phillips #00 screw securing the metal fingerprint cable bracket to the motherboard shield and lift the bracket off.
- 8
Disconnect the fingerprint flex cable
1 minUse the flat end of a spudger to pry the fingerprint reader connector straight up from its socket on the motherboard.
- 9
Unscrew the loudspeaker cover
3 minRemove the seven Phillips #00 screws securing the lower loudspeaker housing to the bottom of the phone frame.
- 10
Pry up the loudspeaker assembly
2 minInsert a spudger under the notch on the side of the loudspeaker housing and lift it up out of the chassis.
- 11
Disconnect the interconnect cable
1 minPry up the main flex interconnect cable connector from the bottom sub-board using a plastic spudger.
- 12
Disconnect the antenna cable
1 minUse fine tweezers to carefully unclip the black antenna coaxial cable from the corner of the sub-board.
- 13
Remove the microphone sub-board
2 minSlide a thin opening pick under the sub-board containing the microphone and USB port, then gently pry it out of the lower chassis.
- 14
Set the new microphone sub-board
2 minPlace the replacement daughterboard into the bottom frame slot, aligning the USB port and microphone hole precisely.
- 15
Attach the antenna coaxial cable
2 minAlign the antenna head over the connector on the new sub-board and press straight down until it snaps in place.
- 16
Reconnect the interconnect flex cable
1 minPress the main ribbon cable connector down onto the sub-board connector socket until it clicks into position.
- 17
Reinstall the loudspeaker cover
2 minPlace the loudspeaker assembly back over the bottom sub-board section and push it flat against the chassis.
- 18
Secure the loudspeaker screws
3 minReinsert and tighten the seven Phillips #00 screws to hold the loudspeaker and sub-board in place.
- 19
Reconnect the fingerprint sensor
2 minPress the fingerprint sensor cable onto the motherboard connector, position its metal bracket, and secure it with the single Phillips screw.
- 20
Reattach the rear panel
3 minApply fresh rear adhesive strips along the phone frame perimeter, align the back cover, and press firmly along all edges to seal.
After your Motorola G8 Play microphone repair
Power the G8 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 G8 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 G8 Play repair context in the encyclopedia, or open related DIY guides.

