Phone · Samsung · Galaxy S10 5G
Samsung Galaxy S10 5G Fingerprint Sensor Repair
Fingerprint Sensor Repair guide for the Samsung Galaxy S10 5G
Before you begin
Tools
- Precision screwdriver set
- Plastic opening tools
- Anti-static wrist strap
- Tweezers
- Magnifying glass or headlamp
- Heat gun or iOpener
- Suction handle
Parts / materials
- Replacement Galaxy S10 5G fingerprint sensor module
- Back glass pre-cut adhesive sticker
- 90%+ Isopropyl alcohol
- Lint-free cleaning wipes
Safety
- Wear safety glasses when working around heated rear glass panels.
- Always disconnect the battery before handling motherboard connectors.
- Do not bend or puncture the internal lithium-ion battery.
Overview
Step-by-step
- 1
Power down the device
1 minPress and hold the Power button, then select Power Off on the screen.
- 2
Heat the back glass
3 minApply heat around the rear glass edges for 2 to 3 minutes using a heat gun to soften the adhesive.
- 3
Attach the suction cup
2 minPlace a suction cup near the bottom edge of the back cover and pull upward to create a small gap.
- 4
Insert an opening pick
2 minSlide a plastic opening pick into the gap created between the glass cover and the frame.
- 5
Slice the perimeter adhesive
4 minCarefully slide the opening pick around all four edges to cut through the back glass adhesive seal.
- 6
Remove the back glass
1 minLift the rear glass cover clear off the phone body and place it on a clean surface.
- 7
Unscrew the motherboard bracket
3 minRemove the 15 Phillips screws securing the top plastic cover and wireless charging pad.
- 8
Detach the wireless charging pad
2 minPry up the edges of the wireless charging assembly using a plastic opening tool and lift it away.
- 9
Disconnect the battery flex cable
1 minUse a plastic spudger to pop the battery connector straight up from the motherboard.
- 10
Disconnect the display and sensor cables
2 minUnclip the main display connector and the fingerprint sensor ribbon cable from the motherboard.
- 11
Remove the motherboard assembly
3 minRemove the single motherboard retaining screw, then carefully lift the mainboard out of the frame.
- 12
Warm the sensor mounting area
2 minApply low heat to the lower front glass region for 1 minute to loosen the adhesive beneath the sensor.
- 13
Pry out the fingerprint sensor module
3 minInsert flat tweezers under the edge of the ultrasonic fingerprint sensor and lift it out of the frame.
- 14
Clean the sensor recess
2 minWipe the sensor mounting slot with isopropyl alcohol to remove old adhesive residual.
- 15
Install the replacement fingerprint sensor
3 minPeel the protective backing off the new sensor and align it firmly into the frame slot.
- 16
Reinstall the motherboard
3 minPosition the mainboard back into the chassis and secure it with the single retaining screw.
- 17
Reconnect internal ribbon cables
2 minPress the fingerprint sensor, display, and battery connectors back onto their motherboard sockets.
- 18
Secure the wireless charging coil
3 minReattach the top bracket and tighten the 15 Phillips screws to secure the internal cover.
- 19
Re-seal the rear panel
3 minApply new pre-cut adhesive strips around the frame perimeter and press the rear glass firmly into place.
After your Samsung Galaxy S10 5G fingerprint sensor repair
Power the Galaxy S10 5G 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 S10 5G 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 S10 5G repair context in the encyclopedia, or open related DIY guides.
