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Follow this guide to remove and/or replace the Taptic Engine in an iPhone 12 Pro Max. The Taptic Engine produces your iPhone's vibration and haptic feedback functions.

  1. Caution: Before you begin, discharge your iPhone battery below 25%. A charged lithium-ion battery can catch fire and/or explode if accidentally punctured.
    • Caution: Before you begin, discharge your iPhone battery below 25%. A charged lithium-ion battery can catch fire and/or explode if accidentally punctured.

    • Power off your iPhone before beginning disassembly.

    • Remove the two 6.7 mm-long pentalobe P2 screws at the bottom edge of the iPhone.

    • Opening the iPhone's display will compromise its waterproof seals. Have replacement seals ready before you proceed past this step, or take care to avoid liquid exposure if you reassemble your iPhone without replacing the seals.

  2. Prepare an iOpener and apply it to the lower edge of the iPhone for about a minute in order to soften up the adhesive underneath.
    • Prepare an iOpener and apply it to the lower edge of the iPhone for about a minute in order to soften up the adhesive underneath.

    • A hair dryer, heat gun, or hot plate may also be used, but be careful not to overheat the phone—the display and internal battery are both susceptible to heat damage.

  3. The next two steps demonstrate the iSclack, a handy tool that we recommend for anyone doing frequent repairs. If you aren't using the iSclack, skip down two steps for an alternate method. If the plastic depth gauge is attached at the center of the iSclack, remove it now—it's not needed for larger iPhones like the iPhone 12 Pro Max.
    • The next two steps demonstrate the iSclack, a handy tool that we recommend for anyone doing frequent repairs. If you aren't using the iSclack, skip down two steps for an alternate method.

    • If the plastic depth gauge is attached at the center of the iSclack, remove it now—it's not needed for larger iPhones like the iPhone 12 Pro Max.

    • Position the suction cups near the bottom edge of the iPhone—one on the front, and one on the back.

    • Press both suction cups firmly into place.

    • If your display or back glass is badly cracked, covering it with a layer of clear packing tape may help the suction cups adhere. The iSclack also includes two pieces of tape for this purpose.

  4. Hold onto your iPhone securely and close the handle of the iSclack to slightly separate the display from the rear case of the phone. Don't try to completely separate the display; a small opening along the bottom edge is all you need. Insert an opening pick into the gap under the display on the lower edge of the iPhone.
    • Hold onto your iPhone securely and close the handle of the iSclack to slightly separate the display from the rear case of the phone.

    • Don't try to completely separate the display; a small opening along the bottom edge is all you need.

    • Insert an opening pick into the gap under the display on the lower edge of the iPhone.

    • Skip the next two steps.

  5. If you're using a single suction handle, apply it to the bottom edge of the phone, while avoiding the very edge of the glass. If your display is badly cracked, covering it with a layer of clear packing tape may allow the suction cup to adhere. Alternatively, very strong tape may be used instead of the suction cup. If all else fails, you can superglue the suction cup to the broken display.
    • If you're using a single suction handle, apply it to the bottom edge of the phone, while avoiding the very edge of the glass.

    • If your display is badly cracked, covering it with a layer of clear packing tape may allow the suction cup to adhere. Alternatively, very strong tape may be used instead of the suction cup. If all else fails, you can superglue the suction cup to the broken display.

  6. Pull up on the suction cup with firm, constant pressure to create a slight gap between the front panel and rear case. Insert an opening pick into the gap. The watertight adhesive holding the display in place is very strong; creating this initial gap takes a significant amount of force. If you're having a hard time opening a gap, apply more heat, and gently rock the display up and down to weaken the adhesive until you create enough of a gap to insert your tool.
    • Pull up on the suction cup with firm, constant pressure to create a slight gap between the front panel and rear case.

    • Insert an opening pick into the gap.

    • The watertight adhesive holding the display in place is very strong; creating this initial gap takes a significant amount of force. If you're having a hard time opening a gap, apply more heat, and gently rock the display up and down to weaken the adhesive until you create enough of a gap to insert your tool.

  7. Slide the opening pick around the lower left corner and up the left edge of the iPhone, slicing through the adhesive holding the display in place. Only insert the pick a few millimeters (about the width of the display bezel.) Otherwise, you may damage the display cables along this side of the iPhone. Only insert the pick a few millimeters (about the width of the display bezel.) Otherwise, you may damage the display cables along this side of the iPhone.
    • Slide the opening pick around the lower left corner and up the left edge of the iPhone, slicing through the adhesive holding the display in place.

    • Only insert the pick a few millimeters (about the width of the display bezel.) Otherwise, you may damage the display cables along this side of the iPhone.

  8. Re-insert your pick at the bottom edge of the iPhone, and slide it up the right side to continue separating the adhesive. Don't insert the opening pick too far into the iPhone, or you may damage internal components. Don't insert the opening pick too far into the iPhone, or you may damage internal components.
    • Re-insert your pick at the bottom edge of the iPhone, and slide it up the right side to continue separating the adhesive.

    • Don't insert the opening pick too far into the iPhone, or you may damage internal components.

  9. The top edge of the display is secured with both glue and clips. Insert your pick into the right edge of the phone. Slide it around the top-right corner and across the top edge. Don't insert the pick more than a few millimeters—about the width of the display bezel—or you may damage the front panel sensor array.
    • The top edge of the display is secured with both glue and clips.

    • Insert your pick into the right edge of the phone. Slide it around the top-right corner and across the top edge.

    • Don't insert the pick more than a few millimeters—about the width of the display bezel—or you may damage the front panel sensor array.

  10. If you haven't removed your suction handle or iSclack, remove it now. Open the iPhone by swinging the display up from the right side, like the front cover of a book. Don't try to fully separate the display yet, as several fragile ribbon cables still connect it to the iPhone's logic board.
    • If you haven't removed your suction handle or iSclack, remove it now.

    • Open the iPhone by swinging the display up from the right side, like the front cover of a book.

    • Don't try to fully separate the display yet, as several fragile ribbon cables still connect it to the iPhone's logic board.

    • Lean the display against something to keep it propped up while you're working on the phone.

    • During reassembly, lay the display in position, align the clips along the top edge, and carefully press the top edge into place before snapping the rest of the display down. If it doesn't click easily into place, check the condition of the clips around the perimeter of the display and make sure they aren't bent.

    • Remove four 1.1 mm-long Y000 screws securing the battery and display connector cover.

    • Throughout this repair, keep track of each screw and make sure it goes back exactly where it came from to avoid damaging your iPhone.

    • During reassembly, this is a good point to power on your iPhone and test all functions before you seal the display in place. Be sure to power your iPhone back down completely before you continue working.

  11. Remove the battery and display connector cover.
    • Remove the battery and display connector cover.

  12. Use a spudger or a clean fingernail to pry the battery connector up from its socket on the logic board. Try not to damage the black silicone seal surrounding this and other board connections. These seals provide extra protection against water and dust intrusion.
    • Use a spudger or a clean fingernail to pry the battery connector up from its socket on the logic board.

    • Try not to damage the black silicone seal surrounding this and other board connections. These seals provide extra protection against water and dust intrusion.

    • Bend the connector slightly away from the logic board to prevent it from accidentally making contact with the socket and providing power to the phone during your repair.

  13. Use a spudger or a fingernail to disconnect the display cable connector. To re-attach press connectors like this one, carefully align and press down on one side until it clicks into place, then repeat on the other side. Do not press down on the middle. If the connector is misaligned, the pins can bend, causing permanent damage.
    • Use a spudger or a fingernail to disconnect the display cable connector.

    • To re-attach press connectors like this one, carefully align and press down on one side until it clicks into place, then repeat on the other side. Do not press down on the middle. If the connector is misaligned, the pins can bend, causing permanent damage.

  14. Use a Y000 driver to remove the four 1.1 mm-long screws securing the front sensor connector cover.
    • Use a Y000 driver to remove the four 1.1 mm-long screws securing the front sensor connector cover.

  15. Swing the cover up from the left until the small clip on the right unhooks. Remove the cover. During reassembly, insert the clip on the right edge into its slot first, then hinge the rest of the cover into place.
    • Swing the cover up from the left until the small clip on the right unhooks.

    • Remove the cover.

    • During reassembly, insert the clip on the right edge into its slot first, then hinge the rest of the cover into place.

  16. Use a spudger or a fingernail to disconnect the front sensor assembly cable connector. Use a spudger or a fingernail to disconnect the front sensor assembly cable connector.
    • Use a spudger or a fingernail to disconnect the front sensor assembly cable connector.

  17. Remove the display assembly.
  18. Use a Phillips driver to remove the four 1.4 mm screws securing the loudspeaker.
    • Use a Phillips driver to remove the four 1.4 mm screws securing the loudspeaker.

  19. Slowly lift the loudspeaker out of its recess while gently peeling it off of its adhesive strip. Reapply this strip to the new loudspeaker. Remove the loudspeaker. Remove the loudspeaker.
    • Slowly lift the loudspeaker out of its recess while gently peeling it off of its adhesive strip. Reapply this strip to the new loudspeaker.

    • Remove the loudspeaker.

  20. Use a Phillips driver to remove the 1.4 mm screw securing the Taptic Engine plastic cover.
    • Use a Phillips driver to remove the 1.4 mm screw securing the Taptic Engine plastic cover.

  21. Remove the plastic cover
    • Remove the plastic cover

  22. Use the point of a spudger to pry the Taptic Engine connector straight up and out of its socket. Use the point of a spudger to pry the Taptic Engine connector straight up and out of its socket.
    • Use the point of a spudger to pry the Taptic Engine connector straight up and out of its socket.

    • Remove the three screws securing the Taptic Engine:

    • Two 2.8 mm standoff screws

    • Standoff screws are best removed using a standoff screwdriver or bit.

    • In a pinch, a small flathead screwdriver will do the job—but use extra caution to ensure it doesn't slip and damage surrounding components.

    • One 1.6 mm Phillips screw

  23. Remove the Taptic Engine. If you are replacing the Taptic Engine, remove the adhesive strip and transfer it to the new Taptic Engine before beginning reassembly. If you are replacing the Taptic Engine, remove the adhesive strip and transfer it to the new Taptic Engine before beginning reassembly.
    • Remove the Taptic Engine.

    • If you are replacing the Taptic Engine, remove the adhesive strip and transfer it to the new Taptic Engine before beginning reassembly.

Заключение

Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing.

To reassemble your device, follow the above steps in reverse order.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Try some basic troubleshooting, or ask our iPhone 12 Pro Max Answers community for help.

Еще один человек закончил это руководство.

Adam O'Camb

Участник с: 11.04.2015

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