Phone · Samsung · Galaxy S1
Samsung Galaxy S1 Microphone Repair
Microphone Repair guide for the Samsung Galaxy S1
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic opening tool
- Spudger
- Tweezers
- Soldering iron
- Desoldering wick
Parts / materials
- Replacement microphone module
- Rosin-core solder
- Isopropyl alcohol (90% or higher)
Safety
- Wear protective safety glasses when working with hot soldering tools.
- Perform soldering in a well-ventilated area to avoid breathing in solder fumes.
- Ensure the battery is fully removed before working on internal electronics.
Overview
Step-by-step
- 1
Power Off Device
1 minPress and hold the power button on the right side of the device. Select 'Power off' on the screen and confirm shut down.
- 2
Remove Back Cover
1 minInsert a plastic opening tool into the notch at the top or bottom of the rear cover. Pry gently upward to release the clips securing the back cover.
- 3
Remove Battery
1 minLocate the recess at the bottom edge of the battery compartment. Lift the battery up and out of the housing.
- 4
Eject SIM Card
1 minPress down slightly on the SIM card and slide it out of its spring-loaded tray. Store it safely off to the side.
- 5
Unscrew Midframe
3 minUse a Phillips #00 screwdriver to remove the seven screws securing the rear midframe to the front assembly.
- 6
Unclip Rear Midframe
3 minInsert a plastic spudger into the seam between the chrome bezel and the rear midframe. Work around the perimeter to release all retaining plastic clips.
- 7
Disconnect Coaxial Antenna
2 minUse tweezers to carefully lift the coaxial antenna cable head straight up off its motherboard connector near the bottom.
- 8
Disconnect Display Connector
2 minPry the display flex cable connector straight up from the top section of the motherboard using a plastic opening tool.
- 9
Remove Mainboard Screw
2 minLocate and remove the single Phillips screw holding the motherboard assembly to the display frame.
- 10
Lift Motherboard
3 minGently lift the motherboard from the bottom edge and remove it from the front housing. Locate the original microphone at the bottom edge of the board.
- 11
Desolder Defective Microphone
5 minApply heat to the microphone solder pads using a soldering iron while gently pulling the old microphone off with tweezers.
- 12
Solder Replacement Microphone
5 minPosition the new microphone over the clean pads and solder each terminal pin firmly to the motherboard.
After your Samsung Galaxy S1 microphone repair
Power the Galaxy S1 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 S1 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 S1 repair context in the encyclopedia, or open related DIY guides.

