Phone · Motorola · Moto E7 Plus
Motorola Moto E7 Plus Microphone Repair
Microphone Repair guide for the Motorola Moto E7 Plus
Before you begin
Tools
- Phillips #00 screwdriver
- SIM eject tool
- Plastic opening picks
- Spudger
- Precision tweezers
- Suction cup
Parts / materials
- Replacement Moto E7 Plus daughterboard (with primary microphone)
- Double-sided repair tape
Safety
- Wear an anti-static wrist strap to avoid electrostatic damage to sensitive electronics.
- Do not bend or puncture the internal battery while working near lower components.
- Ensure the phone is powered off before starting any internal disassembly.
Overview
Step-by-step
- 1
Power Off the Device
1 minPress and hold the power button, then select Power Off on the screen to shut down the phone.
- 2
Eject the SIM Card Tray
1 minInsert a SIM eject tool into the hole beside the SIM tray on the left edge and push firmly to pop it out.
- 3
Unclip the Rear Cover
4 minInsert a plastic opening pick into the seam between the rear cover and the screen assembly, sliding it around the perimeter to release the clips.
- 4
Disconnect the Fingerprint Sensor Cable
2 minSlightly lift the rear cover and use a plastic spudger to disconnect the fingerprint sensor flex cable from the motherboard.
- 5
Unscrew the Loudspeaker Housing
2 minUse a Phillips #00 screwdriver to remove the screws securing the lower speaker assembly to the frame.
- 6
Remove the Loudspeaker Assembly
2 minPry up the loudspeaker module using a plastic spudger and lift it out of the phone frame.
- 7
Disconnect the Interconnect Cable
1 minUse the edge of a spudger to pop off the main motherboard-to-daughterboard ribbon cable connector from the sub-board.
- 8
Disconnect the Antenna Cable
2 minGently pry up the coaxial antenna cable head from its socket on the bottom microphone board using precision tweezers.
- 9
Remove the Microphone Sub-Board
3 minSlide a plastic spudger under the lower board holding the primary microphone and lift it out of the recess.
- 10
Install the New Microphone Board
2 minSet the replacement sub-board into place in the bottom compartment and press down lightly to seat it.
- 11
Reconnect Antenna and Interconnect Cables
2 minAlign and snap the coaxial antenna cable onto its connector, then reconnect the main flex cable to the sub-board.
- 12
Reinstall the Loudspeaker Housing
3 minPosition the loudspeaker assembly back over the bottom sub-board and reinsert the Phillips screws to secure it.
- 13
Reconnect Fingerprint Cable and Snap Cover On
4 minAttach the fingerprint sensor flex cable to the motherboard, align the rear cover, and press firmly around the edges until all clips snap closed.
After your Motorola Moto E7 Plus microphone repair
Power the Moto E7 Plus 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 E7 Plus 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 E7 Plus repair context in the encyclopedia, or open related DIY guides.
