Phone · Samsung · Galaxy Z Flip 3 5G
Power Button Repair Guide for Galaxy Z Flip 3 5G
Power Button Repair guide for the Samsung Galaxy Z Flip 3 5G
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Phillips #000 screwdriver
- Spudger tool
- Tweezers
- SIM eject tool
Parts / materials
- Replacement Samsung Galaxy Z Flip 3 power button assembly
- Pre-cut upper rear glass replacement adhesive
- 99% Isopropyl alcohol
Safety
- Always disconnect the battery before working on internal electronics to prevent short circuits.
- Wear safety glasses to protect against potential glass fragments during rear panel removal.
- Do not apply excessive heat directly over the foldable main screen.
Overview
Step-by-step
- 1
Power Off Device
2 minPress and hold the Power and Volume Down buttons, then tap Power Off on the screen. Remove the SIM card tray using an eject tool.
- 2
Heat Upper Back Cover
3 minApply heat from a heat gun or hair dryer to the top rear glass panel for 2 minutes. Keep the heat moving continuously to prevent damaging the outer screen.
- 3
Slice Upper Glass Adhesive
5 minAttach a suction cup near the lower edge of the top glass, pull upward, and insert an opening pick into the seam. Slide the pick along all edges to cut through the adhesive.
- 4
Remove Upper Rear Glass
2 minLift the upper rear glass panel off the phone body. Set it aside on a clean surface.
- 5
Unbolt Upper Bracket Screws
4 minUse a Phillips #000 screwdriver to remove the screws holding the plastic motherboard shield in place. Keep track of each screw position.
- 6
Detach Upper Bracket Assembly
2 minPry up the edges of the upper motherboard bracket using a spudger and lift it off the frame.
- 7
Disconnect Battery Cable
2 minPry the battery press connector straight up from its motherboard socket using the flat end of a plastic spudger.
- 8
Disconnect Power Button Cable
2 minLocate the power button/fingerprint sensor flex cable connector near the upper frame edge. Gently pry it up from the motherboard.
- 9
Unclip Power Button Bracket
3 minUse fine tweezers to gently unhook and lift out the small metal retention bracket securing the power button in the frame slot.
- 10
Remove Old Power Button
3 minGently push the power button module inward from the outside of the frame, then remove it using tweezers.
- 11
Position New Power Button
3 minInsert the replacement power button and fingerprint sensor module into the side frame cutout until it sits flush.
- 12
Reinstall Retention Bracket
2 minPlace the metal retention bracket over the inside of the new power button assembly and snap it into the frame notch.
- 13
Reconnect Flex Cable
2 minAlign the power button flex connector over its motherboard socket and press down firmly until it clicks.
- 14
Reconnect Battery and Reassemble
5 minSnap the battery connector back onto the motherboard. Reinstall the plastic shield, tighten all screws, and reattach the rear glass with new adhesive.
After your Samsung Galaxy Z Flip 3 5G power button repair
Power the Galaxy Z Flip 3 5G 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 Z Flip 3 5G 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 Z Flip 3 5G power button repair at LML Repair in Seattle — same-day options available.
