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Samsung Galaxy Note 9 S Pen Repair

S Pen Repair guide for the Samsung Galaxy Note 9

Difficult
~37 min
19 steps

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

# Samsung Galaxy Note 9 S Pen Repair Repair Guide Action-specific s pen repair walkthrough for the Samsung Galaxy Note 9. About 37 minutes across 19 steps. This DIY guide walks through s pen repair on the Samsung Galaxy Note 9 (Galaxy Note series phone). Before you open the device, confirm the exact model number on the Samsung settings screen or rear housing so your replacement part matches the Galaxy Note 9 specifically—not a similar Galaxy Note sibling. Most DIY techs finish this Samsung Galaxy Note 9 s pen repair in about 37 minutes when parts and tools are ready. Difficulty is rated advanced for this model. Recommended tools for this Samsung Galaxy Note 9 job: Precision screwdriver set (Phillips #000), Plastic prying tools, Suction cup tool, Heat gun or hair dryer, Tweezers, Spudger tool, Anti-static wrist strap. Parts and supplies: Replacement Note 9 S Pen sensor & ejector module, Pre-cut back glass adhesive seal, Isopropyl alcohol (90%+). Power the Galaxy Note 9 off completely, remove SIMs/SD cards if present, and work on a clean, well-lit surface with a magnetic mat for screws. If a step feels wrong for your Samsung Galaxy Note 9, stop and compare the connector layout to the photos in this guide. When you prefer a same-day pro repair in Seattle instead, LML Repair can handle s pen repair for this model with tested parts and a workmanship warranty.

Step-by-step

  1. 1

    Eject the S Pen

    1 min

    Press inward on the S Pen end until it clicks, then slide the stylus completely out of the phone enclosure.

  2. 2

    Power Off the Device

    1 min

    Press and hold the Power button on the right edge, then tap Power Off on the display.

  3. 3

    Heat the Back Glass

    3 min

    Use 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. 4

    Attach Suction Cup

    1 min

    Place 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. 5

    Insert Opening Pick

    2 min

    Insert a thin plastic opening pick into the seam opened by the suction cup along the bottom edge.

  6. 6

    Slice the Perimeter Adhesive

    4 min

    Slide the plastic pick around the perimeter of the phone to cut through the back glass adhesive, reheating the glass if resistance increases.

  7. 7

    Lift the Rear Glass

    2 min

    Gently 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. 8

    Disconnect Fingerprint Sensor

    1 min

    Use 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. 9

    Unscrew Upper Midframe

    3 min

    Remove the Phillips #000 screws securing the upper midframe and wireless charging coil assembly to the frame.

  10. 10

    Remove Wireless Charging Pad

    2 min

    Pry up the edges of the plastic midframe and lift the wireless charging coil assembly off the device chassis.

  11. 11

    Disconnect the Battery Cable

    1 min

    Use a spudger to disconnect the battery flex cable from the motherboard to cut power to the device.

  12. 12

    Unscrew Lower Loudspeaker

    2 min

    Remove the Phillips #000 screws securing the bottom loudspeaker cover over the S Pen channel.

  13. 13

    Remove the Loudspeaker Module

    2 min

    Insert a plastic pry tool under the loudspeaker assembly and lift it out of the lower chassis.

  14. 14

    Disconnect S Pen Sensor Flex

    1 min

    Use the pointed tip of a spudger to disconnect the S Pen detection sensor flex cable from the daughterboard socket.

  15. 15

    Extract Old S Pen Housing

    2 min

    Use tweezers and a spudger to pry the S Pen spring-eject bracket and sensor sleeve out of the internal frame channel.

  16. 16

    Install Replacement S Pen Module

    2 min

    Align the new S Pen ejector bracket and sensor assembly into the internal housing channel and press it flat into place.

  17. 17

    Reconnect S Pen Sensor Flex

    1 min

    Align and press the S Pen detection sensor flex cable down into its board connector until it clicks into position.

  18. 18

    Reinstall Loudspeaker and Midframe

    3 min

    Set the loudspeaker assembly and wireless charging midframe back into the phone frame, then reinstall all Phillips screws.

  19. 19

    Seal and Reattach Back Cover

    3 min

    Apply 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.

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