Phone · Samsung · Galaxy S4 Mini
Samsung Galaxy S4 Mini Microphone Repair
Microphone Repair guide for the Samsung Galaxy S4 Mini
Before you begin
Tools
- Precision screwdriver set (Phillips #00)
- Plastic prying tools
- Spudger tool
- Tweezers
- Anti-static wrist strap
Parts / materials
- Replacement microphone daughterboard assembly
Safety
- Disconnect the battery before touching internal circuit components to prevent short circuits.
- Wear an anti-static wrist strap to protect delicate board components from static discharge.
- Do not force delicate ribbon cable connectors; align them carefully before applying pressure.
Overview
Step-by-step
- 1
Power Down the Phone
1 minPress and hold the power button, then select Power Off to shut down the device completely.
- 2
Remove the Rear Cover
1 minInsert a plastic prying tool into the seam notch near the top edge and lift the back cover off.
- 3
Remove the Battery
1 minLift the battery out of its housing using the notch at the bottom edge.
- 4
Eject Cards
1 minSlide the SIM card and microSD card out of their respective card slots.
- 5
Unscrew the Midframe
3 minRemove the ten Phillips #00 screws securing the plastic midframe to the housing.
- 6
Pry Off the Midframe
3 minInsert a spudger between the front glass bezel and the rear midframe to unclip it around the perimeter.
- 7
Disconnect Antenna Cable
2 minUse tweezers to carefully lever the coaxial antenna cable off the lower daughterboard connector.
- 8
Disconnect Daughterboard Cable
2 minPry up the main flex cable connector from the motherboard socket using a plastic spudger.
- 9
Remove Daughterboard Screw
1 minRemove the single Phillips #00 screw securing the bottom daughterboard near the microphone area.
- 10
Free the Microphone Assembly
2 minGently lever the daughterboard and integrated primary microphone out from the lower frame cavity.
- 11
Install the New Microphone Board
2 minAlign the replacement daughterboard with the bottom frame recess and press it into position.
- 12
Secure the Daughterboard Screw
1 minReplace and tighten the single Phillips #00 screw to lock the daughterboard in place.
- 13
Attach Daughterboard Cable
2 minAlign the flex connector over the motherboard press socket and push firmly to snap it into place.
- 14
Reconnect the Antenna
2 minPosition the antenna cable head over the daughterboard terminal and snap it down gently.
- 15
Reattach the Midframe
2 minAlign the midframe over the display assembly and press around the edges until all clips snap tight.
- 16
Fasten Midframe Screws
3 minReinstall the ten Phillips #00 screws into the midframe.
- 17
Reinstall Cards and Battery
2 minReinsert your SIM card, microSD card, and battery, then snap the back cover onto the phone.
After your Samsung Galaxy S4 Mini microphone repair
Power the Galaxy S4 Mini 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 S4 Mini 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 S4 Mini repair context in the encyclopedia, or open related DIY guides.
