Phone · Samsung · Galaxy Z Flip 3 5G
Samsung Galaxy Z Flip 3 5G Microphone Repair
Microphone Repair guide for the Samsung Galaxy Z Flip 3 5G
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic spudger
- Opening picks
- Suction cup
- Heat gun or iOpener
- Precision tweezers
- SIM eject tool
Parts / materials
- Replacement Galaxy Z Flip 3 5G microphone sub-board
- Pre-cut lower back glass adhesive strip
- 91% Isopropyl alcohol
Safety
- Wear eye protection when heating glass panels to avoid injury from glass fragments
- Disconnect the battery press connector before removing any internal sub-boards
- Do not puncture or apply pressure to the pouch batteries during disassembly
Overview
Step-by-step
- 1
Power Down the Device
1 minPress and hold the Side key and Volume Down button, then tap Power Off to turn off the phone completely.
- 2
Eject the SIM Tray
1 minInsert a SIM eject pin into the hole beside the SIM card slot at the top left. Push firmly to eject the tray.
- 3
Heat the Lower Rear Glass
2 minApply a heat gun or iOpener to the bottom rear glass cover for two minutes to soften the perimeter adhesive.
- 4
Slice Lower Cover Adhesive
4 minPlace a suction cup on the lower glass panel, pull upward to create a gap, and insert an opening pick beneath the glass.
- 5
Remove Lower Rear Glass
2 minSlide the opening pick along all four edges of the lower panel to cut the adhesive, then lift off the back glass.
- 6
Unscrew Lower Speaker Assembly
3 minUse a Phillips #00 screwdriver to remove the 7 screws securing the lower speaker assembly to the frame.
- 7
Remove Lower Speaker Assembly
2 minInsert the flat tip of a spudger under the edge of the speaker housing and pry it out of the chassis.
- 8
Disconnect the Lower Battery Cable
2 minUse a plastic spudger to pop the lower battery flex press-connector straight up off the motherboard.
- 9
Disconnect Interconnect and Antenna Cables
3 minDisconnect the main interconnect flex cable and unsnap the white and blue coaxial antenna connectors from the sub-board.
- 10
Unscrew the Sub-Board
2 minRemove the two Phillips #00 screws holding the microphone and USB-C sub-board inside the lower frame cavity.
- 11
Lift Out Old Sub-Board
2 minPry gently beneath the sub-board using a spudger to lift the primary microphone assembly out of the phone.
- 12
Transfer Rubber Microphone Gasket
2 minUse fine tweezers to remove the black rubber acoustic gasket from the old microphone and seat it on the new board.
- 13
Install New Microphone Sub-Board
2 minPlace the new sub-board into the lower housing, align it with the screw holes, and re-tighten the two Phillips screws.
- 14
Reconnect Flex and Antenna Cables
3 minSnap the coaxial antenna plugs and main interconnect ribbon cable back onto their respective sub-board headers.
- 15
Reconnect Battery and Speaker Housing
3 minReattach the battery flex cable, then seat the lower speaker housing and replace its 7 Phillips screws.
- 16
Readhere Lower Rear Glass
3 minClean remaining glue with isopropyl alcohol, apply fresh pre-cut adhesive, and press the lower glass cover tightly onto the frame.
After your Samsung Galaxy Z Flip 3 5G microphone repair
Power the Galaxy Z Flip 3 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 Samsung Galaxy Z Flip 3 5G job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Prefer a professional repair?
Book Samsung Galaxy Z Flip 3 5G microphone repair at LML Repair in Seattle — same-day options available.

