Phone · Samsung · Galaxy S23
Samsung Galaxy S23 Microphone Repair
Microphone Repair guide for the Samsung Galaxy S23
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Precision screwdriver set (Phillips #000)
- Tweezers
- Spudger tool
- SIM eject tool
Parts / materials
- Replacement Galaxy S23 primary microphone sub-board
- Replacement rear glass adhesive tape
- 99% Isopropyl alcohol
Safety
- Disconnect the battery before touching any internal electronic components to prevent electrical damage.
- Do not heat the rear panel above 80°C (176°F) to avoid damaging the internal lithium battery.
- Wear eye protection when working near heated glass to guard against potential chips or cracks.
Overview
Step-by-step
- 1
Power Off the Device
1 minPress and hold the Side button and Volume Down button, then tap Power Off on the screen. Ensure the device is completely powered down before proceeding.
- 2
Eject the SIM Card Tray
1 minInsert a SIM eject tool into the small hole at the bottom edge of the phone. Push inward firmly until the tray pops out, then remove it.
- 3
Heat the Back Glass Edges
2 minApply heat to the outer edges of the rear glass for 2 minutes using a heat gun set to low. This softens the internal adhesive gasket.
- 4
Attach Suction Cup to Rear Panel
2 minPlace a suction cup near the bottom edge of the rear glass. Pull up firmly to create a tiny gap between the panel and the frame.
- 5
Slice perimeter rear glass adhesive
4 minInsert a plastic opening pick into the gap created by the suction cup. Carefully slide the pick along all edges to cut through the adhesive seal.
- 6
Lift Off Rear Glass Panel
1 minGently detach the back glass from the phone body. Place it on a clean mat to avoid scratching the surface.
- 7
Unscrew Upper Cover and Wireless Coil
3 minRemove the Phillips #000 screws securing the upper wireless charging assembly. Carefully lift the plastic cover and coil out of the chassis.
- 8
Disconnect Battery Press Connector
1 minUse the flat edge of a spudger to disconnect the battery flex cable from the main motherboard. This prevents short circuits during board replacement.
- 9
Unscrew Bottom Loudspeaker Assembly
2 minRemove the Phillips #000 screws securing the bottom speaker housing to the phone frame.
- 10
Remove Loudspeaker Module
2 minInsert a spudger under the notch of the loudspeaker housing and pry it up. Set the speaker module aside.
- 11
Disconnect Sub-Board Interconnect Cables
2 minPry up the main flex interconnect cable connectors attached to the lower sub-board with a spudger.
- 12
Disconnect Coaxial Antenna Connectors
2 minUse precision tweezers to gently lift the antenna coaxial cables straight up off their sockets on the sub-board.
- 13
Unscrew Sub-Board Securing Fastener
1 minRemove the single Phillips #000 screw holding the microphone daughterboard to the device frame.
- 14
Replace Primary Microphone Daughterboard
3 minPry up the sub-board using a spudger to remove it from the frame. Install your replacement microphone assembly and reassemble the phone.
After your Samsung Galaxy S23 microphone repair
Power the Galaxy S23 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 S23 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 S23 repair context in the encyclopedia, or open related DIY guides.

