Phone · Samsung · Galaxy S8
Power Button Repair Guide for Galaxy S8
Power Button Repair guide for the Samsung Galaxy S8
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Phillips #000 screwdriver
- Spudger tool
- Tweezers
Parts / materials
- Replacement Samsung Galaxy S8 power button flex cable
- Replacement rear glass adhesive cover pre-cut sticker
- Isopropyl alcohol (91%+)
Safety
- Power off the phone completely prior to beginning disassembly.
- Discharge the battery below 25% to minimize the danger of thermal event if accidentally punctured.
- Wear protective eye safety glasses to prevent injury from potential glass shards during rear panel removal.
Overview
Step-by-step
- 1
Heat the rear glass
2 minApply a heat gun or hair dryer along the edges of the back cover for two minutes to soften the adhesive.
- 2
Attach suction cup
2 minPlace a suction cup near the bottom edge of the back glass and pull up gently to create a small gap.
- 3
Insert opening pick
2 minSlide a thin plastic opening pick into the gap created beneath the rear glass cover.
- 4
Slice perimeter adhesive
5 minSlide opening picks around all four edges of the phone to slice through the remaining adhesive.
- 5
Disconnect fingerprint sensor
2 minSlightly lift the rear glass and use a spudger to detach the fingerprint sensor connector before removing the back cover completely.
- 6
Unscrew midframe screws
4 minRemove the eleven Phillips #000 screws securing the wireless charging coil and upper midframe shield.
- 7
Remove wireless charging pad
2 minPry up the top edge of the wireless charging assembly and remove it from the device chassis.
- 8
Disconnect battery cable
1 minUse a plastic spudger to pry the battery connector straight up off the motherboard.
- 9
Unscrew speaker module
2 minRemove the three Phillips #000 screws securing the loudspeaker module at the bottom of the phone.
- 10
Remove loudspeaker assembly
2 minPry up and remove the loudspeaker module to clear access to lower flex connections.
- 11
Disconnect power button flex
1 minUse a spudger to disconnect the power button flex cable press-fit connector from the motherboard.
- 12
Peel power button cable
3 minUse fine tweezers to carefully peel the power button flex cable away from the inner sidewall of the frame.
- 13
Remove power button bracket
2 minUnclip and remove the internal metal retaining bracket that holds the power button mechanism in place.
- 14
Push out physical button
2 minGently press the physical power button inward from the outside to detach it from the phone frame.
- 15
Install new power button
3 minInsert the replacement power button and flex cable assembly into the recessed slot inside the frame.
- 16
Secure retaining bracket
2 minPress the metal retaining bracket back into position over the power button assembly until it snaps securely.
After your Samsung Galaxy S8 power button repair
Power the Galaxy S8 back on and test the power button 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.
