Phone · Samsung · Galaxy S22
Samsung Galaxy S22 Fingerprint Sensor Repair
Fingerprint Sensor Repair guide for the Samsung Galaxy S22
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 fingerprint sensor flex module
- Replacement back glass adhesive seal
- Isopropyl alcohol (99%)
Safety
- Wear safety glasses to protect against potential glass fragments from cracked back panels.
- Avoid applying excessive heat near the lithium-ion battery.
- Disconnect the battery cable before removing or installing internal hardware components.
Overview
Step-by-step
- 1
Power Down and Remove SIM Tray
1 minTurn off your Samsung Galaxy S22 completely. Insert a SIM eject tool into the tray hole at the bottom frame to pop out the SIM card tray.
- 2
Heat the Rear Glass
2 minApply heat evenly around the outer edges of the rear glass using a heat gun on low setting for two minutes to soften the adhesive.
- 3
Attach the Suction Cup
1 minPlace a suction cup on the lower third of the back glass panel. Pull upward firmly to create a small gap between the glass and the body.
- 4
Insert Plastic Opening Pick
1 minSlide a thin plastic opening pick into the seam created by the suction cup. Do not insert it deeper than 3 millimeters to avoid damaging internal ribbons.
- 5
Slice Rear Glass Adhesive
3 minSlide the pick carefully along all four sides of the phone to cut through the perimeter adhesive seal.
- 6
Lift Off the Back Cover
1 minGently lift the back glass off the main frame and place it safely on your workspace.
- 7
Unscrew Wireless Charging Assembly
2 minUse a Phillips #000 screwdriver to remove the screws securing the top plastic bracket and integrated wireless charging coil.
- 8
Detach Wireless Charging Coil
2 minPry up the edges of the wireless charging assembly using a plastic spudger and lift the module off the chassis.
- 9
Disconnect Battery Press Connector
1 minUse the flat end of a spudger to pry the battery flex cable straight up off the motherboard to eliminate electrical risk.
- 10
Unscrew Speaker Module
2 minRemove the Phillips #000 screws holding the lower speaker enclosure to the bottom frame.
- 11
Remove Speaker Housing
1 minInsert a spudger under the speaker housing edge and lift it clear of the lower sub-board.
- 12
Disconnect Fingerprint Sensor Connector
1 minLocate the fingerprint sensor ribbon connector on the daughterboard and gently pop it off using a spudger.
- 13
Remove Fingerprint Sensor Flex Module
2 minUse fine tweezers to gently lift the sensor flex cable and sensor pad off the internal frame cutouts.
- 14
Install Replacement Fingerprint Sensor
2 minPosition the new fingerprint sensor flex module into its frame socket, seat the sensor head flush, and press the connector down onto the sub-board.
After your Samsung Galaxy S22 fingerprint sensor repair
Power the Galaxy S22 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 S22 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 S22 repair context in the encyclopedia, or open related DIY guides.
