Phone · Samsung · Galaxy Z Flip 4G
Samsung Galaxy Z Flip 4G Microphone Repair
Microphone Repair guide for the Samsung Galaxy Z Flip 4G
Before you begin
Tools
- Precision Phillips #00 screwdriver
- Heat gun or heating pad
- Plastic opening picks
- Suction cup handle
- Nylon spudger
- Precision tweezers
Parts / materials
- Replacement Galaxy Z Flip 4G primary microphone daughterboard
- Pre-cut back panel adhesive strips
- 99% Isopropyl alcohol
Safety
- Wear safety glasses to protect against potential glass fragments during rear panel removal.
- Do not heat the rear glass above 80°C (176°F) to protect internal battery and display components.
Overview
Step-by-step
- 1
Power down the phone
1 minTurn off your Samsung Galaxy Z Flip completely before starting disassembly.
- 2
Heat the lower back glass
2 minApply heat to the lower rear glass panel using a heating pad or heat gun for two minutes to soften the adhesive.
- 3
Attach suction cup
1 minSecure a suction cup near the bottom edge of the lower back glass cover.
- 4
Slice back panel adhesive
3 minInsert an opening pick between the frame and glass, then slide it around the perimeter to cut through the adhesive.
- 5
Remove lower glass panel
1 minCarefully lift and set aside the lower rear glass panel.
- 6
Unscrew speaker assembly
2 minRemove the Phillips #00 screws holding the lower speaker bracket over the daughterboard.
- 7
Remove speaker bracket
1 minPry up the speaker housing gently using a spudger to expose the sub-board.
- 8
Disconnect main flex cable
1 minUse a spudger to pop the main interconnect flex cable off the lower sub-board connector.
- 9
Disconnect display connector
1 minDisconnect the secondary display flex cable from its socket on the daughterboard.
- 10
Disconnect antenna coax cables
2 minUse precision tweezers to unclip the antenna cables attached to the sub-board.
- 11
Pry up daughterboard
2 minGently pry underneath the daughterboard containing the primary microphone and lift it from the frame.
- 12
Clean microphone acoustic port
2 minClear out dirt or obstruction from the frame's microphone hole using high-concentration isopropyl alcohol.
- 13
Position replacement daughterboard
2 minAlign the new sub-board into the lower housing and press it down into position.
- 14
Reconnect antenna coax cables
2 minSnap the antenna connectors firmly onto their corresponding ports on the sub-board.
- 15
Reconnect ribbon cables
1 minPress down firmly on the main interconnect and display flex cable connectors until they click.
- 16
Reinstall speaker bracket
2 minPlace the speaker bracket over the sub-board and re-insert the Phillips #00 screws.
- 17
Apply back panel adhesive
3 minClean remaining adhesive off the frame and lay down new pre-cut adhesive strips.
- 18
Reattach lower rear glass
2 minPress the lower rear glass panel firmly against the frame to re-seal the device.
After your Samsung Galaxy Z Flip 4G microphone repair
Power the Galaxy Z Flip 4G 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 4G 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 4G microphone repair at LML Repair in Seattle — same-day options available.
