Phone · Samsung · Galaxy Note 9
Samsung Galaxy Note 9 S Pen Repair
S Pen Repair guide for the Samsung Galaxy Note 9
Before you begin
Tools
- Precision screwdriver set (Phillips #000)
- Plastic prying tools
- Suction cup tool
- Heat gun or hair dryer
- Tweezers
- Spudger tool
- Anti-static wrist strap
Parts / materials
- Replacement Note 9 S Pen sensor & ejector module
- Pre-cut back glass adhesive seal
- Isopropyl alcohol (90%+)
Safety
- Wear eye protection when heating glass panels to prevent injury from glass fragments.
- Disconnect the battery press connector immediately after opening the device to avoid short circuits.
- Do not puncture or bend the battery with metal tools while working near the internal chassis.
Overview
Step-by-step
- 1
Eject the S Pen
1 minPress inward on the S Pen end until it clicks, then slide the stylus completely out of the phone enclosure.
- 2
Power Off the Device
1 minPress and hold the Power button on the right edge, then tap Power Off on the display.
- 3
Heat the Back Glass
3 minUse a heat gun or hair dryer to warm the outer edges of the rear glass cover for 2 to 3 minutes to soften the perimeter adhesive.
- 4
Attach Suction Cup
1 minPlace a suction cup on the lower portion of the rear glass near the USB-C port and pull upward firmly to create a gap.
- 5
Insert Opening Pick
2 minInsert a thin plastic opening pick into the seam opened by the suction cup along the bottom edge.
- 6
Slice the Perimeter Adhesive
4 minSlide the plastic pick around the perimeter of the phone to cut through the back glass adhesive, reheating the glass if resistance increases.
- 7
Lift the Rear Glass
2 minGently swing open the rear glass cover from the left edge like a book, taking care not to pull on the short fingerprint sensor cable.
- 8
Disconnect Fingerprint Sensor
1 minUse the flat end of a plastic spudger to pop the fingerprint reader connector straight up from its motherboard socket, then remove the back glass.
- 9
Unscrew Upper Midframe
3 minRemove the Phillips #000 screws securing the upper midframe and wireless charging coil assembly to the frame.
- 10
Remove Wireless Charging Pad
2 minPry up the edges of the plastic midframe and lift the wireless charging coil assembly off the device chassis.
- 11
Disconnect the Battery Cable
1 minUse a spudger to disconnect the battery flex cable from the motherboard to cut power to the device.
- 12
Unscrew Lower Loudspeaker
2 minRemove the Phillips #000 screws securing the bottom loudspeaker cover over the S Pen channel.
- 13
Remove the Loudspeaker Module
2 minInsert a plastic pry tool under the loudspeaker assembly and lift it out of the lower chassis.
- 14
Disconnect S Pen Sensor Flex
1 minUse the pointed tip of a spudger to disconnect the S Pen detection sensor flex cable from the daughterboard socket.
- 15
Extract Old S Pen Housing
2 minUse tweezers and a spudger to pry the S Pen spring-eject bracket and sensor sleeve out of the internal frame channel.
- 16
Install Replacement S Pen Module
2 minAlign the new S Pen ejector bracket and sensor assembly into the internal housing channel and press it flat into place.
- 17
Reconnect S Pen Sensor Flex
1 minAlign and press the S Pen detection sensor flex cable down into its board connector until it clicks into position.
- 18
Reinstall Loudspeaker and Midframe
3 minSet the loudspeaker assembly and wireless charging midframe back into the phone frame, then reinstall all Phillips screws.
- 19
Seal and Reattach Back Cover
3 minApply pre-cut replacement adhesive around the rear chassis, reconnect the fingerprint sensor cable, and press the rear glass panel firmly back onto the frame.
After your Samsung Galaxy Note 9 s pen repair
Power the Galaxy Note 9 back on and test the s pen 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 Note 9 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 Note 9 repair context in the encyclopedia, or open related DIY guides.

