Phone · Samsung · Galaxy S8
Samsung Galaxy S8 Charging Port Repair
Charging Port Repair guide for the Samsung Galaxy S8
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Precision screwdriver set (Phillips #00)
- Tweezers
- Spudger tool
Parts / materials
- Galaxy S8 replacement charging port assembly
- Pre-cut back cover adhesive
- Isopropyl alcohol (91% or higher)
Safety
- Wear safety glasses to protect eyes against fragmented glass during back panel removal.
- Do not heat the back glass past 80°C (176°F) to avoid damaging internal components.
- Always disconnect the battery press connector before removing or installing internal parts.
Overview
Step-by-step
- 1
Power off the phone
1 minPress and hold the Power button until the options menu appears, then tap Power Off.
- 2
Eject the SIM tray
1 minInsert a SIM ejector tool or paperclip into the hole at the top edge to pop out the tray. Remove the SIM card and micro SD tray completely.
- 3
Heat the rear glass
3 minUse a heat gun or hair dryer to warm the perimeter of the back cover for about 2 to 3 minutes. This softens the adhesive securing the rear panel.
- 4
Attach a suction cup
1 minPress a suction cup firmly onto the lower half of the heated rear glass. Pull up gently on the suction cup to create a small gap along the edge.
- 5
Slice perimeter adhesive
3 minInsert a plastic opening pick into the gap created by the suction cup. Carefully slide the pick around the edges to cut through the glue, avoiding deep insertion near the camera.
- 6
Disconnect the fingerprint sensor
2 minSlightly lift the right edge of the rear glass like a book. Use a spudger to gently disconnect the short fingerprint sensor flex cable located next to the rear camera.
- 7
Remove the back glass
1 minLift the rear panel completely off the device frame and set it aside. Clean off any residual adhesive around the glass perimeter.
- 8
Unscrew the upper midframe
2 minUse a Phillips #00 screwdriver to remove the 11 screws securing the top wireless charging pad and midframe assembly.
- 9
Remove the wireless charging coil
2 minPry up the top edge of the wireless charging assembly using a plastic spudger. Carefully unclip and lift the entire pad away from the phone.
- 10
Unscrew the speaker enclosure
2 minRemove the 5 Phillips #00 screws holding the bottom loudspeaker assembly to the frame.
- 11
Detach the loudspeaker
2 minInsert a spudger under the top edge of the speaker module and pry upward to loosen it. Lift the loudspeaker out of the phone body.
- 12
Disconnect the battery cable
1 minUse the flat end of a spudger to pry the battery press connector straight up off the motherboard. This prevents short circuits during further disassembly.
- 13
Disconnect screen and board cables
2 minUnplug the display flex cable, front camera, headphone jack, and lower daughterboard connectors from the mainboard.
- 14
Unscrew the motherboard
1 minRemove the single Phillips #00 screw securing the top portion of the main motherboard to the frame.
- 15
Lift out the motherboard
2 minGently lift the motherboard from the top edge and tilt it out of the chassis. Be careful not to snag any remaining connected ribbon cables.
- 16
Disconnect lower antenna coax cables
2 minUse fine tweezers or a spudger to unclip the blue and white coaxial antenna cables from the charging port sub-board.
- 17
Remove the charging port assembly
2 minPry up the charging port daughterboard assembly from the bottom housing using a spudger. Soften resistant adhesive with a drop of isopropyl alcohol if necessary.
- 18
Install the new charging port
3 minAlign the replacement charging port assembly into the bottom slot and press it down firmly to adhere. Reconnect all internal cables and reassemble in reverse order.
After your Samsung Galaxy S8 charging port repair
Power the Galaxy S8 back on and test the charging port 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 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 repair context in the encyclopedia, or open related DIY guides.

