iPhone 17 Pro Max Logic Board

Before You Begin

Warning

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

Tools

  • Adjustable torque driver (10–34 Ncm)

  • Camera cap

  • Crosshead 44 mm half-moon bit

  • ESD-safe tweezers

  • Nitrile or lint-free gloves

  • Nylon probe (black stick)

  • Trilobe 44 mm half-moon bit

  • Torque driver (black, 0.35 kgf cm)

  • Torque driver (gray, 0.55 kgf cm)

  • Torx Plus 4IP 25 mm bit

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

Caution

This procedure requires System Configuration. After you’ve completed all removal and reassembly steps, follow the instructions to initiate System Configuration.

Removal

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

Important

Remove the following parts before continuing to step 1:

  1. Use a torque driver and crosshead bit to remove the five crosshead screws, three from the top speaker and two from the logic board spacer. Then complete the entire step before continuing to the next step.

    • Remove the logic board spacer from the enclosure. Save the logic board spacer for reassembly.

    • Lift the top speaker out of the enclosure.

  2. Use a torque driver and trilobe bit to remove the three trilobe screws from the front camera connector cowling, camera connector cowling, and logic board connector cowling. Then complete the entire step before continuing to the next step.

    • Remove the three connector cowlings and save them for reassembly.

    • Lift the ends of the two front camera flex cables off the connectors.

    • Lift the front camera out of the enclosure.

  3. Use a torque driver and Torx Plus 4IP bit to remove the three 4IP screws from the camera. Then complete the entire step before continuing to the next step.

    • Lift the ends of the three camera flex cables (1–3) from the connectors.

      • Caution: Don’t separate the stacked flex cables (2 and 3) or touch the grounding pad attached to the top flex cable. If the grounding pad is damaged, the camera will need to be replaced.

    • Lift the camera out of the enclosure.

      • Caution: Don’t lift the camera by the flex cables.

    • Gently place the camera cap over the camera lenses as soon as you remove the camera from the enclosure.

      • Important: Covering the camera lenses is recommended to prevent contamination.

  4. Lift the ends of the seven flex cables (1–7) from the connectors. Then complete the entire step before continuing to the next step.

    • Important: Flex cable (3) covers (4), and flex cable (5) covers (6).

    • Gently move the flex cables out of the way as you slightly lift the logic board.

    • Caution: Identify whether you're repairing a model with an mmWave antenna (left) or without one (right).

      • If you're repairing an mmWave model (left), follow steps 5 through 7 to complete removal.

      • If you're repairing a non-mmWave model (right), skip to step 8. Then follow the remaining steps to complete removal.

  5. mmWave only: Place the repair tray onto the logic board dock as shown. Align the two holes in the repair tray with the two pins on the dock.

  6. mmWave only: Place the logic board dock insert (mmWave) into the logic board dock. Then complete the entire step before continuing to the next step.

    • Slowly tilt the logic board away from the enclosure, moving flex cables out of the way as necessary. Align the two screw holes in the logic board with the two pins on the dock insert.

    • Flip the lock mechanism closed to secure the logic board to the dock insert.

    • Caution: Don’t pinch or stretch the flex cables on the back of the logic board. Avoid touching components on the logic board.

  7. mmWave only: Use a torque driver and trilobe bit to remove two trilobe screws, one from the back glass connector cowling and one from the mmWave connector cowling. Then complete the entire step.

    • Remove the two cowlings and save them for reassembly.

    • Caution: The mmWave connector cowling (top) has a hook. Avoid contact with the flex cables.

    • Lift the ends of the back glass flex cable and mmWave flex cable off the connectors on the logic board.

    • Lift the dock insert with the logic board out of the dock.

    • Press the release arm (1) to flip open the lock mechanism (2) and lift the logic board off the dock insert (3). Place the logic board on a clean, flat surface.

  8. Non-mmWave only: Place the repair tray onto the logic board dock as shown. Align the two holes in the repair tray with the two pins on the dock.

  9. Non-mmWave only: Place the logic board dock insert (non-mmWave) into the logic board dock. Then complete the entire step before continuing to the next step.

    • Tilt the logic board away from the enclosure. Align the two screw holes in the logic board with the two pins on the dock insert.

    • Caution: Don’t pinch or stretch the flex cable. Avoid touching components on the logic board.

  10. Non-mmWave only: Use a torque driver and trilobe bit to remove one trilobe screw from the back glass connector cowling. Then complete the entire step.

    • Remove the cowling and save it for reassembly.

    • Lift the end of the back glass flex cable from the connector on the logic board.

    • Lift the dock insert with the logic board out of the dock.

    • Lift the logic board off the dock insert. Place the logic board on a clean, flat surface.

Reassembly

Screw Diagrams

mmWave models

Non-mmWave models

Caution

  • If you're repairing a non-mmWave model, follow reassembly steps 1 through 3. Then skip to step 7 and follow the remaining steps to complete reassembly.

  • If you're repairing an mmWave model, skip to reassembly step 4 through 6. Then follow the remaining steps to complete reassembly.

  1. Non-mmWave only: Place the logic board onto the logic board dock insert (non-mmWave). Align the screw holes on the logic board with the pins on the dock insert.

    • Place the dock insert with the logic board into the dock.

  2. Non-mmWave only: Press the end of the back glass flex cable to the connector on logic board.

    • Caution: Don't pull or stretch the flex cable.

    • Position the back glass connector cowling over the end of the flex cable.

    • Use the black torque driver and trilobe bit to install one new trilobe screw (923-13720) into the back glass connector cowling.

  3. Non-mmWave only: Slowly lift the logic board off the dock insert pins and tilt it toward the enclosure.

    • Caution: Don't pull or stretch the back glass flex cable.

    • Move the power button flex cable (1), two USB-C connector flex cables (2), and the action and volume button flex cables (3) out of the way as you position the logic board into the enclosure.

      • Caution: Ensure that no flex cables are trapped underneath the logic board.

    • Skip to reassembly step 7 and follow the remaining steps to complete reassembly.

  4. mmWave only: Align the two screw holes in the logic board with the two pins on the logic board dock insert (mmWave). Flip the lock mechanism closed to secure the logic board to the dock insert.

    • Place the dock insert with the logic board into the dock.

  5. mmWave only: Press the ends of the mmWave flex cable (1) and back glass flex cable (2) to connectors on the logic board.

    • Caution: Don't pull or stretch the flex cables.

    • Position the two connector cowlings over the ends of the flex cables.

      • Caution: Ensure that the back glass connector cowling tab and mmWave connector cowling hook are properly engaged.

    • Use the black torque driver and trilobe bit to install two new trilobe screws (923-13720) into the two connector cowlings.

  6. mmWave only: Press the release arm to flip open the lock mechanism on the dock insert to unlock the logic board.

    • Slowly lift the logic board off the dock insert pins and tilt it toward the enclosure. Position the logic board into the lip of the enclosure.

      • Caution: Hold the logic board only by the edges. Don't pull or stretch the flex cables or pinch them inside the enclosure.

    • Move the power button flex cable (1), two USB-C connector flex cables (2), and action button and volume button flex cables (3) out of the way as you position the logic board into the enclosure.

      • Caution: Ensure that no cables are trapped underneath the logic board.

  7. Remove the dock insert from the dock.

  8. Remove the repair tray from the dock.

  9. Press the ends of seven flex cables (1–7) to the connectors.

  10. Position the logic board connector cowling in the enclosure.

    • Caution: Hook the cowling tab into place first. Then lower the cowling over the end of the flex cable.

    • Use the black torque driver and trilobe bit to install one new trilobe screw (923-13720) into the connector cowling.

  11. Position the logic board spacer in the enclosure.

    • Use the gray torque driver and crosshead bit to install two new crosshead screws (923-13710) into the logic board spacer.

Reinstall the following parts to complete reassembly:

Caution

  • System Configuration is required if you’ve installed a replacement logic board. Disregard notifications about iPhone features on the Lock Screen until you complete configuration.

  • After you’ve completed all removal and reassembly steps, initiate System Configuration by putting the device into diagnostics mode. Tap Start Session and follow the onscreen prompts.

    • You’ll have one attempt to complete System Configuration. If the attempt is interrupted, canceled, or encounters an error, the device will display a message instructing you to contact the Self Service Repair Store team for assistance.

Published Date: