Phone · Samsung · Galaxy Z Fold 2 5G
Samsung Galaxy Z Fold 2 5G Microphone Repair
Microphone Repair guide for the Samsung Galaxy Z Fold 2 5G
Before you begin
Tools
- Heat gun or hair dryer
- Precision screwdriver set (Phillips #000)
- Suction cup tool
- Plastic prying tools
- Spudger tool
- Tweezers
- SIM eject tool
Parts / materials
- Replacement primary microphone daughterboard
- Pre-cut rear cover adhesive gasket
- Isopropyl alcohol (99%)
Safety
- Wear safety glasses while heating the glass cover to protect against potential splintering.
- Disconnect the battery before handling internal sub-boards to prevent short circuits.
- Avoid overheating the battery area; keep heating focused exclusively on the outer edges.
Overview
Step-by-step
- 1
Eject the SIM tray
1 minInsert a SIM eject pin into the hole on the edge of the device to pop out the tray. Pull the SIM card tray completely out and set it aside.
- 2
Heat the rear glass cover
3 minUse a heat gun or hair dryer to heat the edges of the back cover for 2 to 3 minutes. This softens the factory adhesive holding the panel to the frame.
- 3
Slice the back cover adhesive
5 minPress a suction cup onto the rear glass cover and lift firmly to create a gap. Insert a plastic opening pick into the gap and slide it along the edges to cut the adhesive.
- 4
Remove the rear cover panel
2 minGently lift the rear glass off the device frame once all adhesive sides are cut. Set the back glass on a clean surface.
- 5
Unscrew the upper midframe and wireless coil
3 minUse a Phillips #000 screwdriver to remove the screws securing the upper midframe and wireless charging pad assembly. Store screws organized by location.
- 6
Remove the wireless charging assembly
2 minUse a spudger to pop off the wireless charging coil connector from the motherboard. Carefully lift and peel the wireless pad away from the frame.
- 7
Unscrew the lower speaker housing
3 minRemove the Phillips screws holding the bottom speaker module over the microphone sub-board. Lift the speaker module out to expose the lower board.
- 8
Disconnect the battery cable
1 minPry the battery press connector straight up off the motherboard using a plastic spudger. This cuts power and protects the internal electronics.
- 9
Disconnect the main flex cables
2 minUse a plastic spudger to snap off the main interconnect ribbon cables from the lower daughterboard. Bend them slightly back to clear the workspace.
- 10
Disconnect antenna coaxial cables
2 minUse fine tweezers to gently unclip the antenna cables from their sockets on the daughterboard. Pry straight up near the connectors to prevent socket damage.
- 11
Remove the microphone sub-board
3 minInsert a flat spudger under the bottom daughterboard containing the primary microphone and pry it up. Remove the board from the chassis frame.
- 12
Install the replacement microphone sub-board
2 minSet the new microphone board into the chassis recess and press down lightly to seat it. Ensure the primary microphone aligns with the hole in the outer frame.
- 13
Reconnect antenna and interconnect cables
3 minSnap the coaxial cables onto their sub-board terminals using tweezers. Press the main interconnect flex cables firmly into place until they click.
- 14
Reassemble components and seal
8 minReconnect the battery, reinstall the speaker housing and wireless coil with all screws, then attach new adhesive strips to seal the rear glass cover.
After your Samsung Galaxy Z Fold 2 5G microphone repair
Power the Galaxy Z Fold 2 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 Fold 2 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 Fold 2 5G microphone repair at LML Repair in Seattle — same-day options available.
