Phone · Motorola · Moto E4
Motorola Moto E4 Microphone Repair
Microphone Repair guide for the Motorola Moto E4
Before you begin
Tools
- Phillips #00 screwdriver
- Spudger tool
- Plastic prying tools
- Tweezers
- Clean workspace mat
Parts / materials
- Replacement Moto E4 microphone daughterboard
- Isopropyl alcohol (99%)
- Lint-free cotton swabs
Safety
- Power down the phone and remove the battery completely before touching internal components.
- Wear an anti-static wrist strap to prevent electrostatic discharge damage to internal electronics.
- Do not bend or force the flex cables during disconnection and reassembly.
Overview
Step-by-step
- 1
Power off the phone
1 minPress and hold the power button, then select Power Off on the screen. Ensure the device is fully shut down before proceeding.
- 2
Remove the back cover
1 minInsert a plastic prying tool or fingernail into the notch at the bottom edge of the phone. Pry upward to unclip and remove the rear cover.
- 3
Remove the battery
1 minUse your fingernail or a plastic spudger to lift the removable battery out from the bottom recess.
- 4
Remove SIM and microSD cards
1 minSlide out any installed SIM card and microSD card from their respective slots above the battery compartment.
- 5
Unscrew the midframe
3 minUse a Phillips #00 screwdriver to remove the 10 screws securing the plastic midframe cover.
- 6
Detach the midframe
2 minInsert a plastic opening pick between the midframe and the front assembly. Work around the perimeter to release the plastic clips and remove the midframe.
- 7
Disconnect the coaxial antenna cable
2 minUse precision tweezers or a spudger to gently pop the black antenna cable connector off the lower sub-board.
- 8
Disconnect the sub-board flex cable
1 minUse the flat end of a spudger to pry the main interconnect flex ribbon connector straight up from the lower sub-board.
- 9
Remove the microphone sub-board
2 minPry gently underneath the lower sub-board containing the primary microphone using a spudger to free it from the adhesive.
- 10
Clean the microphone opening
2 minInspect the microphone channel hole at the bottom of the phone frame. Clear out any dust or lint using a lint-free swab lightly dampened with isopropyl alcohol.
- 11
Set the new microphone sub-board
2 minAlign the replacement microphone sub-board over its recess in the lower frame and press down firmly to adhere it in place.
- 12
Reconnect the flex ribbon cable
1 minAlign the interconnect flex cable header over its socket on the sub-board and press down until it clicks into place.
- 13
Reconnect the coaxial antenna
2 minPosition the antenna cable head over the sub-board terminal and press gently using tweezers until it snaps on firmly.
- 14
Position the midframe cover
2 minAlign the plastic midframe cover over the back of the phone and press around the edges until all clips snap securely.
- 15
Secure the midframe screws
3 minReinstall the 10 Phillips #00 screws around the frame to secure the assembly tightly.
- 16
Reinstall cards, battery, and cover
2 minReinsert your SIM and microSD cards, insert the battery, and snap the outer back cover back into place.
After your Motorola Moto E4 microphone repair
Power the Moto E4 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 E4 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 E4 repair context in the encyclopedia, or open related DIY guides.
