Step-by-step

1. 1

   Power off device and eject SIM tray

   2 min

   Turn off the Galaxy S23 Ultra completely. Insert a SIM eject tool into the hole at the bottom frame to pop out the SIM tray.

2. 2

   Heat the rear glass panel

   3 min

   Apply heat to the edges of the back cover using a heat gun or hair dryer for two minutes to soften the adhesive.

3. 3

   Attach suction cup to lower back glass

   2 min

   Press a suction cup near the bottom edge of the rear glass. Pull upward firmly to create a small gap between the glass and frame.

4. 4

   Slice perimeter adhesive with opening pick

   5 min

   Insert a plastic opening pick into the gap. Slide it carefully around all four edges to slice through the factory adhesive.

5. 5

   Lift and remove the rear cover

   2 min

   Gently lift the rear glass cover off the phone frame. Set it aside on a clean surface.

6. 6

   Unscrew internal midframe screws

   4 min

   Use a Phillips #00 screwdriver to remove all 18 screws securing the wireless charging coil and lower speaker housing.

7. 7

   Remove wireless charging coil

   2 min

   Pry up the edges of the wireless charging pad and NFC assembly using a spudger, then remove it from the device.

8. 8

   Disconnect the battery press connector

   1 min

   Use the flat end of a plastic spudger to detach the battery flex cable connector directly from the motherboard.

9. 9

   Remove the lower speaker module

   2 min

   Insert a spudger beneath the lower speaker housing and pry it upward to detach it from the phone frame.

10. 10

    Disconnect fingerprint sensor ribbon at motherboard

    2 min

    Locate the main fingerprint sensor and display ribbon cable on the motherboard. Carefully pop its press connector free using a spudger.

11. 11

    Disconnect lower end of sensor flex cable

    2 min

    Use tweezers or a spudger to disconnect the lower end of the fingerprint sensor ribbon cable near the daughterboard.

12. 12

    Remove the damaged fingerprint sensor cable

    2 min

    Gently peel the defective fingerprint sensor interconnect cable up from the frame and remove it completely.

13. 13

    Position new fingerprint sensor flex cable

    3 min

    Align the replacement fingerprint sensor flex cable into the chassis matching the original routing path.

14. 14

    Connect new sensor cable press connectors

    2 min

    Press the lower and upper connectors of the replacement flex cable into their respective sockets until they snap into place.

15. 15

    Reconnect the battery cable

    1 min

    Snap the battery flex cable connector back onto its mainboard socket.

16. 16

    Reinstall speaker module and wireless coil

    3 min

    Place the lower speaker assembly and wireless charging pad back over the motherboard and sub-board.

17. 17

    Fasten internal midframe screws

    4 min

    Reinsert and tighten all 18 Phillips #00 screws securely into the internal housing.

18. 18

    Apply back cover adhesive and seal device

    4 min

    Apply new pre-cut adhesive strips along the phone frame, align the rear glass, and press firmly along the edges to seal.