Phone · Samsung · Galaxy S20 FE
Samsung Galaxy S20 FE Microphone Repair
Microphone Repair guide for the Samsung Galaxy S20 FE
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic opening picks
- Precision screwdriver set (Phillips #00)
- Spudger tool
- Tweezers
- SIM eject pin
Parts / materials
- Replacement Samsung Galaxy S20 FE USB daughterboard with microphone
- Pre-cut rear cover adhesive tape
- Isopropyl alcohol (90%+)
Safety
- Power off the phone completely before starting internal repairs.
- Do not overheat the rear cover; keep temperature below 80°C to protect internal components.
- Wear eye protection when prying bonded glass or plastic panels.
Overview
Step-by-step
- 1
Power off the device
1 minPress and hold the Side and Volume Down buttons, then tap Power Off on the screen.
- 2
Eject the SIM card tray
1 minInsert a SIM eject pin into the pinhole at the top edge of the frame to push out and remove the SIM tray.
- 3
Heat the rear panel adhesive
3 minApply a heat gun set to low or a hair dryer along the edges of the rear cover for two minutes to soften the adhesive.
- 4
Attach the suction cup
2 minPlace a suction cup on the lower third of the rear panel and pull upward firmly to create a thin gap.
- 5
Slice through the rear adhesive
4 minInsert a plastic opening pick into the seam and slide it along all sides to separate the rear cover from the frame.
- 6
Remove the rear panel
1 minLift the rear cover completely off the chassis and lay it flat on your workspace.
- 7
Unscrew the lower speaker housing
2 minUse a Phillips #00 screwdriver to remove the five screws securing the lower speaker assembly.
- 8
Pry up the speaker assembly
2 minInsert the pointed end of a spudger under the top edge of the speaker module and lift it out of the chassis.
- 9
Disconnect the interconnect flex cables
2 minUse the flat edge of a spudger to snap off the main inter-board flex and display flex cable connectors from the bottom board.
- 10
Disconnect the antenna coaxial cables
2 minUse tweezers to carefully lift the blue and white coaxial antenna heads straight up off their board sockets.
- 11
Unscrew the microphone daughterboard
1 minRemove the single Phillips #00 screw securing the USB port and microphone daughterboard to the lower frame.
- 12
Remove the faulty daughterboard
2 minWedge a spudger under the edge of the daughterboard and lift the assembly out of the phone body.
- 13
Install the replacement microphone daughterboard
2 minSet the new board containing the primary microphone into position and press down lightly until aligned.
After your Samsung Galaxy S20 FE microphone repair
Power the Galaxy S20 FE 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 Samsung Galaxy S20 FE job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Samsung Galaxy S20 FE repair context in the encyclopedia, or open related DIY guides.
