Phone · Motorola · G45 5G
Motorola G45 5G Microphone Repair
Microphone Repair guide for the Motorola G45 5G
Before you begin
Tools
- Phillips #000 screwdriver
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Spudger tool
- Tweezers
- SIM eject tool
Parts / materials
- Replacement daughterboard with microphone
- Pre-cut back cover adhesive
- Isopropyl alcohol (99%)
Safety
- Wear safety glasses while applying heat to avoid thermal injuries.
- Disconnect the battery before touching or removing internal circuit components.
- Handle the battery carefully to avoid punctures or bends.
Overview
Step-by-step
- 1
Power Off Phone
1 minPress and hold the power button, then tap Power Off to ensure the phone is shut down completely before starting.
- 2
Remove SIM Tray
1 minInsert a SIM eject pin into the pinhole on the left side of the device to pop out the SIM card tray.
- 3
Heat Back Cover
2 minUse a heat gun or hair dryer to heat the edges of the back panel for two minutes to soften the adhesive underneath.
- 4
Attach Suction Cup
1 minPress a suction cup firmly onto the lower portion of the back cover near the USB port.
- 5
Slice Back Cover Adhesive
3 minPull up on the suction cup to create a small gap and insert a plastic opening pick to slice through the edge adhesive.
- 6
Lift Off Back Cover
2 minGently lift the back cover away from the frame once all adhesive around the perimeter is cut.
- 7
Unscrew Lower Frame
3 minUse a Phillips #000 screwdriver to remove the screws holding the lower speaker cover over the daughterboard.
- 8
Remove Speaker Cover
2 minPry up and remove the plastic speaker cover using a spudger to reveal the lower daughterboard and microphone.
- 9
Disconnect Battery Cable
1 minLocate the battery flex cable connector on the mainboard and gently pop it off using a plastic spudger.
- 10
Disconnect Interconnect Cable
1 minUse the pointed end of a spudger to disconnect the main interconnect flex cable from the daughterboard.
- 11
Disconnect Antenna Cable
1 minCarefully pry up the coaxial antenna cable connector from the daughterboard using precision tweezers.
- 12
Remove Daughterboard
2 minLever the plastic spudger underneath the daughterboard to unseat it from the frame and remove the microphone module.
- 13
Install New Microphone Board
2 minPlace the new replacement daughterboard containing the primary microphone into the lower frame housing.
- 14
Reconnect Cables
2 minSnap the coaxial antenna, interconnect flex cable, and battery cable back onto their respective board connectors.
- 15
Reinstall Speaker Cover
3 minPosition the lower speaker cover over the daughterboard and secure it with the Phillips #000 screws.
- 16
Reseal Back Cover
3 minApply fresh pre-cut adhesive around the frame perimeter and press the back cover down firmly into place.
After your Motorola G45 5G microphone repair
Power the G45 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 G45 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 G45 5G repair context in the encyclopedia, or open related DIY guides.
