Phone · Samsung · Galaxy Fold 4G
Power Button Repair Guide for Galaxy Fold 4G
Power Button Repair guide for the Samsung Galaxy Fold 4G
Before you begin
Tools
- Phillips #000 screwdriver
- Heat gun or hair dryer
- Plastic prying tools
- Suction cup tool
- Spudger tool
- Tweezers
- SIM card eject tool
Parts / materials
- Replacement Samsung Galaxy Fold power button flex cable
- Pre-cut back cover adhesive sticker
- Isopropanol (91%+ alcohol)
Safety
- Wear eye protection when heating and working with glass panels.
- Always disconnect the internal batteries before handling internal electrical components to avoid short circuits.
- Do not puncture or bend the lithium-ion batteries with sharp metal tools.
Overview
Step-by-step
- 1
Power off the device
1 minPress and hold the power button, then select Power Off on the screen to shut down the phone completely.
- 2
Remove the SIM card tray
1 minInsert a SIM eject tool into the hole at the top edge of the frame to release and remove the SIM tray.
- 3
Heat the back glass cover
2 minApply heat from a heat gun or hair dryer around the outer perimeter of the rear glass cover for 2 minutes to soften the adhesive.
- 4
Attach the suction cup
2 minPress a suction cup onto the lower section of the rear glass cover and gently pull up to create a small gap.
- 5
Slice the back cover adhesive
5 minInsert a plastic prying pick into the gap and slide it carefully around the edges to cut through the factory adhesive.
- 6
Lift off the back glass cover
2 minGently lift the rear glass panel away from the chassis and set it aside on a clean surface.
- 7
Unscrew the midframe cover
4 minUse a Phillips #000 screwdriver to remove the screws securing the upper wireless charging coil and plastic midframe.
- 8
Pry up the midframe assembly
2 minInsert a plastic spudger under the edge of the midframe shield and unclip it from the frame.
- 9
Disconnect the battery connectors
2 minUse the pointed end of a spudger to disconnect both battery flex cables from the motherboard to ensure safe working conditions.
- 10
Unplug the power button flex cable
2 minLocate the power button/side key ZIF connector on the side of the motherboard and disconnect its flex cable using a spudger.
- 11
Remove the power button bracket
3 minUse precision tweezers to unhook and remove the small metal retention bracket securing the power button switch inside the inner frame.
- 12
Extract the power button flex assembly
2 minGently pry the power button flex board away from the frame adhesive and remove the entire button assembly.
- 13
Install the new power button flex cable
3 minAlign the replacement power button flex assembly in the side slot and press it down securely onto the frame adhesive.
- 14
Reassemble the device
5 minReinstall the metal bracket, reconnect the flex cable and batteries, screw the midframe back into place, and press the rear glass firmly to reseal.
After your Samsung Galaxy Fold 4G power button repair
Power the Galaxy Fold 4G 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 Fold 4G job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Prefer a professional repair?
Book Samsung Galaxy Fold 4G power button repair at LML Repair in Seattle — same-day options available.
