Phone · Samsung · Galaxy S23 FE
Samsung Galaxy S23 FE Fingerprint Sensor Repair
Fingerprint Sensor Repair guide for the Samsung Galaxy S23 FE
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Precision screwdriver set (Phillips #00)
- Spudger tool
- Tweezers
- SIM eject tool
Parts / materials
- Pre-cut back cover adhesive sticker
- 99% Isopropyl alcohol
- Microfiber cleaning cloth
Safety
- Always disconnect the battery before handling internal connectors to prevent electrical shorting.
- Wear safety glasses while heating and working near glass components to protect against unexpected cracking.
- Do not bend or puncture the lithium-ion battery during internal component removal.
Overview
Step-by-step
- 1
Power off device and eject SIM tray
1 minTurn off the phone completely. Insert a SIM eject tool into the pinhole at the bottom edge to release the SIM card tray.
- 2
Heat the rear glass cover edges
2 minApply a heat gun or hair dryer on medium power around the outer edges of the back cover for 2 minutes to soften adhesive.
- 3
Slice through the rear cover adhesive
4 minAttach a suction cup to the lower rear glass and pull gently to form a small gap, then insert a plastic prying tool around the perimeter.
- 4
Remove the rear glass panel
2 minCarefully lift the rear glass off the chassis once all edges are sliced. Lay the glass face down on a clean workspace.
- 5
Unscrew the upper midframe and charging coil
3 minUse a Phillips #00 screwdriver to remove the 13 screws holding the upper midframe plastic housing and wireless charging pad.
- 6
Detach the wireless charging coil flex
2 minUse a plastic spudger to snap off the wireless coil connector from the motherboard and peel the coil off the battery.
- 7
Disconnect the internal battery flex cable
1 minPry the battery press connector straight up off the main motherboard socket using the flat end of a spudger.
- 8
Unscrew and remove lower speaker assembly
3 minRemove the remaining Phillips #00 screws securing the bottom loudspeaker assembly and lift it out of the phone.
- 9
Disconnect main interconnect flex cables
2 minUnclip the main interconnect cable and display flex cable press-fit connectors located on the lower sub-board.
- 10
Disconnect fingerprint sensor ribbon cable
2 minUse fine tweezers or a spudger to carefully disconnect the small optical fingerprint sensor flex from the sub-board connector.
- 11
Remove optical fingerprint sensor module
3 minGently wedge a plastic spudger underneath the optical fingerprint camera module inside the lower display recess and lift it out.
- 12
Seat replacement fingerprint sensor module
2 minClean the sensor recess area, then press the new optical fingerprint sensor firmly into the lower frame cutout.
- 13
Reconnect sensor and main interconnect cables
3 minSnap the fingerprint sensor flex, main interconnect, and display flex connectors back into their motherboard and sub-board sockets.
- 14
Reinstall lower speaker and upper midframe
4 minPosition the loudspeaker housing and upper midframe onto the frame, securing them with all previously removed Phillips #00 screws.
- 15
Reconnect battery and re-seal back cover
4 minAttach the battery press connector, apply a new rear adhesive strip around the frame edge, and firmly press the rear glass into place.
After your Samsung Galaxy S23 FE fingerprint sensor repair
Power the Galaxy S23 FE back on and test the fingerprint sensor 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 S23 FE 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 S23 FE repair context in the encyclopedia, or open related DIY guides.
