Phone · Samsung · Galaxy S8 Active
Samsung Galaxy S8 Active Microphone Repair
Microphone Repair guide for the Samsung Galaxy S8 Active
Before you begin
Tools
- Phillips #000 Screwdriver
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Opening picks
- Spudger tool
- Tweezers
- SIM eject tool
Parts / materials
- Replacement Galaxy S8 Active microphone sub-board
- Pre-cut rear cover adhesive sticker
- 99% Isopropyl alcohol
Safety
- Disconnect the battery before handling internal circuitry to prevent short circuits.
- Wear eye protection when heating and prying off the rear cover.
- Keep heating tools at a safe distance to prevent thermal damage to the internal battery.
Overview
Step-by-step
- 1
Remove SIM Tray
1 minInsert a SIM eject tool into the hole at the top edge of the device to release and remove the SIM and microSD card tray.
- 2
Heat Back Cover
3 minApply heat around the outer perimeter of the back cover for 2 to 3 minutes to soften the rear housing adhesive.
- 3
Attach Suction Cup
2 minPlace a suction cup on the lower half of the rear glass and gently pull upward to create an opening pick gap.
- 4
Slice Rear Adhesive
4 minInsert a plastic pick into the gap and slide along all four edges of the back cover to cut through the adhesive seal.
- 5
Disconnect Fingerprint Sensor
2 minSlightly tilt the back cover open and use a spudger to disconnect the fingerprint sensor cable from the mainboard.
- 6
Unscrew Rear Midframe
3 minUse a Phillips #000 screwdriver to remove the 11 screws securing the rear midframe and wireless charging shield.
- 7
Remove Wireless Charging Module
2 minGently insert a plastic spudger under the top edges of the midframe assembly and lift it out of the chassis.
- 8
Disconnect Battery Press Connector
1 minPry the battery flex connector straight up from its motherboard socket using the flat end of a plastic spudger.
- 9
Disconnect Lower Interconnect Cables
2 minDetach the display flex cable and main board-to-board ribbon cables from the lower daughterboard.
- 10
Unscrew Daughterboard
2 minRemove the single Phillips #000 screw securing the lower sub-board assembly to the base frame.
- 11
Pry Up Microphone Daughterboard
3 minCarefully pry up the lower sub-board assembly containing the primary microphone module from the bottom of the housing.
- 12
Install Replacement Microphone Sub-Board
3 minAlign the new primary microphone board with the lower housing recesses and press it firmly into position.
After your Samsung Galaxy S8 Active microphone repair
Power the Galaxy S8 Active 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 S8 Active 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 S8 Active repair context in the encyclopedia, or open related DIY guides.
