Step-by-step

1. 1

   Power off the phone

   1 min

   Press and hold the Power button, then tap Power Off on the screen to completely shut down the device.

2. 2

   Eject the SIM card tray

   1 min

   Insert a SIM eject tool into the small hole beside the SIM tray on the left edge and push firmly to pop out the tray.

3. 3

   Heat the rear cover edges

   2 min

   Apply a heat gun or hair dryer on low setting around the perimeter of the back panel for two minutes to soften the perimeter clips and light adhesive.

4. 4

   Create an opening gap

   2 min

   Place a suction cup on the lower back cover, pull up gently, and insert a plastic opening pick into the seam above the SIM slot.

5. 5

   Unclip the rear cover

   3 min

   Slide the plastic opening pick around the entire frame perimeter to release the plastic retaining clips.

6. 6

   Remove the rear cover

   1 min

   Lift the back panel away from the phone body once all internal clips are freed.

7. 7

   Unscrew the loudspeaker housing

   3 min

   Use a Phillips #00 screwdriver to remove the six screws securing the bottom loudspeaker assembly.

8. 8

   Remove the loudspeaker module

   2 min

   Pry gently beneath the edge of the loudspeaker housing using a spudger and lift it out of the phone.

9. 9

   Disconnect the main flex cable

   2 min

   Use the flat edge of a spudger to pry the ribbon cable press connector straight up from the lower daughterboard.

10. 10

    Disconnect the coaxial antenna cable

    2 min

    Gently pry up the antenna cable head from its surface-mount socket on the lower sub-board using fine tweezers.

11. 11

    Remove the old microphone sub-board

    2 min

    Insert the point of a spudger beneath the daughterboard and carefully pry it up from the chassis adhesive.

12. 12

    Transfer the microphone rubber seal

    2 min

    Use tweezers to peel the small black rubber microphone gasket off the old board and install it onto the new microphone port.

13. 13

    Install the new microphone sub-board

    2 min

    Position the replacement sub-board in the lower chassis recess and press down lightly to seat it.

14. 14

    Reconnect the antenna cable

    2 min

    Align the coaxial cable head directly over the sub-board socket and press gently until it snaps into place.

15. 15

    Reconnect the main flex cable

    2 min

    Align the press connector over the sub-board socket and press firmly until you feel a soft click.

16. 16

    Reinstall the loudspeaker cover

    2 min

    Set the loudspeaker housing back over the daughterboard assembly and press down to align the screw holes.

17. 17

    Fasten the loudspeaker screws

    3 min

    Reinsert and tighten the six Phillips #00 screws to firmly secure the lower loudspeaker housing.

18. 18

    Reattach the rear panel

    2 min

    Align the back cover on the phone and press around the perimeter until all perimeter clips snap tightly shut.

19. 19

    Reinsert the SIM card tray

    1 min

    Push the SIM card tray back into its slot until it rests flush with the outer frame.

20. 20

    Power on and test the microphone

    2 min

    Turn on the phone and open the Voice Recorder app to record audio and verify microphone functionality.