iPhone 18 Pro Max Bottom Speaker (eSIM)

Before You Begin

Warning

Read Battery Safety and follow workspace and battery handling guidelines before you begin.

Tools

  • Adjustable torque driver (10–34 Ncm)

  • Crosshead 44 mm half-moon bit

  • Crosshead 50 mm bit

  • ESD-safe tweezers

  • Nylon probe (black stick)

  • Torque driver (blue, 0.65 kgf cm)

Refer to a full list of tools required for all repairs.

Removal

Note: If you’ve already completed the removal steps, skip to reassembly.

Important

Complete display removal steps 1 through 5. Then continue to step 1.

  1. Use a torque driver and the crosshead bit to remove nine crosshead screws. Complete the entire step before continuing to the next step.

    • Remove two crosshead screws, one from the battery connector cowling and one from the display connector cowling.

    • Remove seven crosshead screws from the bottom speaker.

      • Note: The screw closest to the USB-C connector is located on the sidewall of the enclosure.

    • Remove the battery and display connector cowlings and save them for reassembly.

    • Remove the USB-C flex cable cowling and save it for reassembly.

    • Lift the end of the battery flex cable off the connector.

      • Caution: You must disconnect the battery flex cable first to ensure that the iPhone remains turned off.

    • Lift the ends of the display flex cable and ambient light sensor flex cable off the connectors.

    • Hold the display by the edges. Pull the tabs on the suction cups to release them from the display. Then set the display facedown on a clean, flat surface.

  2. Gently lift the bottom speaker out of the enclosure.

    • Caution: Don’t damage the grounding clips on the bottom speaker. If the grounding clips are damaged, you’ll need to replace the bottom speaker.

Reassembly

  1. Ensure that the speaker port and speaker well are undamaged and free of debris.

    • Caution: Debris in the speaker port and speaker well may affect sound quality.

  2. Align the bottom speaker with the speaker port as you lower it into position.

  3. Position the USB-C flex cable cowling.

  4. Set the torque value on the 10–34 Ncm adjustable torque driver to 11.5 Ncm. Use the adjustable torque driver and crosshead bit to install four new crosshead screws (H1, H2, H5, H6) into the bottom speaker.

    • (923-15941) (H1)

    • (923-15941) (H2)

    • (923-15942) (H5)

    • (923-15942) (H6)

  5. Use the blue torque driver and crosshead bit to install three new crosshead screws (H3, H4, J1) into the bottom speaker.

    • (923-15922) (H3)

    • (923-15922) (H4)

    • (923-15896) (J1)

      • Note: J1 is located on the sidewall of the enclosure.

Reinstall the following part to complete reassembly:

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