Phone · Motorola · G71 5G
Motorola G71 5G Microphone Repair
Microphone Repair guide for the Motorola G71 5G
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Phillips #000 screwdriver
- Tweezers
- Spudger tool
- SIM eject tool
Parts / materials
- Replacement microphone sub-board
- Rear cover adhesive tape
- 99% Isopropyl alcohol
Safety
- Power off the device completely before beginning disassembly.
- Wear safety glasses when working with heating tools and adhesives.
- Avoid using metal tools directly on flex cables or circuit boards.
Overview
Step-by-step
- 1
Power Off the Phone
1 minTurn off your Motorola G71 5G completely to prevent electrical shorts during repair.
- 2
Remove the SIM Tray
1 minInsert a SIM eject tool into the hole on the left edge and pull the tray out.
- 3
Warm the Rear Cover
2 minApply heat around the perimeter of the back panel for two minutes using a heat gun.
- 4
Slice Rear Panel Adhesive
3 minAttach a suction cup near the lower edge, pull upward, and slide a plastic prying tool along the seam.
- 5
Remove the Back Cover
1 minLift the rear panel completely off the frame and place it on your workspace mat.
- 6
Unscrew the Speaker Housing
2 minRemove the Phillips #000 screws holding the lower loudspeaker assembly to the frame.
- 7
Remove the Loudspeaker Module
2 minInsert a spudger under the top lip of the speaker module and lift it out.
- 8
Disconnect the Main Flex Cable
1 minPry the interconnect flex cable connector straight up off the sub-board using a spudger.
- 9
Disconnect the Antenna Cable
1 minUse fine tweezers to gently unclip the coaxial antenna cable from the sub-board header.
- 10
Remove the Microphone Sub-Board
2 minPry underneath the bottom sub-board with a spudger and remove the board containing the primary microphone.
- 11
Clean the Acoustic Channel
2 minClear any dust from the frame's microphone acoustic hole using isopropyl alcohol and a cotton swab.
- 12
Install the Replacement Sub-Board
2 minSet the new microphone sub-board into the bottom chassis recess and press down lightly.
- 13
Reconnect the Antenna Cable
1 minAlign and press the coaxial antenna cable connector onto the replacement sub-board socket until it snaps.
- 14
Reconnect the Main Flex Cable
1 minAlign the main interconnect flex connector over its terminal and press down until it clicks into place.
- 15
Reinstall the Speaker Module
1 minPlace the loudspeaker housing back over the sub-board alignment posts.
- 16
Secure Speaker Screws
2 minReinstall and tighten the Phillips #000 screws to secure the speaker module.
- 17
Apply Rear Cover Adhesive
2 minPosition pre-cut replacement adhesive tape along the outer perimeter of the chassis frame.
- 18
Reseal the Back Cover
2 minAlign the back cover over the phone frame and press firmly along all edges to seal.
- 19
Reinsert the SIM Tray
1 minPush the SIM card tray back into its slot until flush with the side frame.
After your Motorola G71 5G microphone repair
Power the G71 5G 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 G71 5G 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 G71 5G repair context in the encyclopedia, or open related DIY guides.
