iPhone 12 Pro Max Repair Manual © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Contents Contents 3 Introduction Basics 6 Internal View 9 Screws 7 10 Orderable Parts Tools Safety 15 18 Battery Safety Broken Glass Procedures 20 21 First Steps SIM Tray 52 Camera 22 59 65 70 Display Speaker Taptic Engine Battery © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Introduction Introduction This manual includes technical instructions for replacing genuine Apple parts in iPhone and is intended for individual technicians with the knowledge, experience, and tools required to repair electronic devices. Important • • • • Read the entire manual first. If you’re not comfortable performing the repairs as instructed in this manual, don’t proceed. Always use the latest version of this document available at support.apple.com/manuals/ repair+manual.
iPhone 12 Pro Max Introduction Tools and parts Hardware tools Apple tools are designed to apply the appropriate heat, force, and torque during repairs, and to withstand high-volume professional use. • • • The heated display removal fixture softens adhesive to allow separation of the display from the enclosure. The fixture is used with a heated display pocket designed for the device’s specific dimensions.
iPhone 12 Pro Max Introduction System Configuration requires a strong Wi-Fi network capable of 1.0 Mbps download and upload speeds, with less than 400 ms latency and less than 2% packet loss. Estimated data usage to run System Configuration is 6–22 MB. The device must be running the latest version of iOS and not a beta version. Learn how to initiate the System Configuration process at support.apple.com/self-service-repair.
iPhone 12 Pro Max Internal View Internal View 1. TrueDepth camera assembly 8. 3. Top battery adhesive tabs 10. Taptic Engine cowling 2. 4. 5. 6. 7. Cameras Battery Bottom battery adhesive tabs Speaker Lightning connector © 2022 Apple Inc. All rights reserved. 9. Bottom microphones Taptic Engine 11. Display connector 12. Battery flex cable 13.
iPhone 12 Pro Max Orderable Parts Orderable Parts Name Numbers Screws Battery 661-18428 — Battery shim 923-05109 — Camera 661-18172 — Camera cowling 923-05027 923-05028 (5) Display 661-18466 LL661-18466 (U.S.
iPhone 12 Pro Max Orderable Parts Name Numbers Screws Taptic Engine cowling 923-05107 923-05105 (1) Upper cowling 923-05029 923-05031 (4) © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Screws Screws • • Warning Never reinstall a screw after it has been removed. Install only new screws. iPhone screw grooves are covered in adhesive that can’t be reused. Use only the torque driver indicated to install new screws during reassembly. Both overtightened screws and loose screws can damage parts. Note: You can use any torque driver to remove screws.
iPhone 12 Pro Max Tools Tools Tools with part numbers are available for purchase from the Self Service Repair Store. Tools without part numbers can be purchased from electronics supply retailers. 923-04879 6.7-inch back protective cover 923-04880 6.7-inch display protective cover 661-22310 6.7-inch heated display pocket 923-04909 6.
iPhone 12 Pro Max Tools ESD mat ESD-safe cleaning solution ESD-safe tweezers ESD wrist strap with clip or plug Ethanol wipes1 661-17619 Heated display removal fixture Heat-resistant gloves IPA wipes Nitrile or lint-free gloves 922-5065 Nylon probe (black stick) © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max 1 2 3 4 Tools Sand2 Sand container3 923-02066 Super screw bit 923-0248 Torque driver (black, 0.35 kgf cm) kit4 923-00738 Torque driver (gray, 0.55 kgf cm) 923-00105 Torque driver (green, 0.45 kgf cm) Ethanol wipes must contain at least 90% ethanol and no additives except isopropyl alcohol.
iPhone 12 Pro Max Tools | Heated Display Removal Fixture Heated Display Removal Fixture Note: A rented heated display removal fixture may have different packaging than shown. If your fixture came with a USB cable, set the cable aside. This setup doesn’t require it. 1. Remove the fixture from the box. Then remove the packing Styrofoam. Caution Don’t lift the fixture by the knob. 2. Cut and remove the zip tie from the handle. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Tools | Heated Display Removal Fixture 3. Turn the top knob on the fixture counterclockwise to raise the suction cup. Remove the packing Styrofoam. 4. Turn the emergency stop knob clockwise until it clicks and protrudes from the stop guard. 5. Plug the power cord into the fixture. The fixture won’t turn on until you flip the switch on the back. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Battery Safety Battery Safety • • • • Warning This device contains a built-in lithium-ion rechargeable battery with soft battery cells. Battery safety is the number one concern when repairing a device with a built-in lithium-ion battery. Only technicians with the knowledge, experience, and tools required to repair electronic devices should replace a battery.
iPhone 12 Pro Max Battery Safety Warning How to handle a battery thermal event A battery thermal event is a rapid chemical chain reaction that occurs inside a battery cell. The energy stored in the battery is released suddenly, which can cause outgassing and fire. A battery thermal event can be triggered by physical damage to the battery, improper replacement or repair, or temperatures outside the battery’s operating range.
iPhone 12 Pro Max Battery Safety How to handle batteries Warning Fully discharge the battery before you begin a repair. A discharged battery is less susceptible to a battery thermal event. If you can’t determine the battery level, don’t repair the device. Perform the following steps to discharge the battery: • Disconnect all external cables. • Turn on the flashlight from the Lock Screen, in Control Center, or by asking Siri.
iPhone 12 Pro Max Broken Glass Broken Glass Warning iPhone displays and some back covers are made of glass. The glass could break if the iPhone is dropped on a hard surface, receives a substantial impact, or is crushed, bent, or deformed. Don’t attempt to remove chipped or cracked glass shards.
iPhone 12 Pro Max Broken Glass If the iPhone has any of the following conditions, stop the repair: • There’s no glass or insufficient glass for the protective cover to adhere to. • The iPhone doesn’t fit in the heated display pocket. • The protective cover doesn’t adhere to the iPhone. You can find a service option at support.apple.com/repair. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max First Steps First Steps Always perform the following steps before starting a repair: • Back up the iPhone. • Turn off the iPhone. • • • • • Discharge the battery fully. Disconnect all cables. Remove all cases and covers. Clear and clean your workspace. Put on an ESD wrist strap and attach it to a properly grounded ESD mat. Caution ESD (electrostatic discharge, or the release of static electricity) can damage electronic components.
iPhone 12 Pro Max SIM Tray SIM Tray Tools • SIM-eject tool or paper clip Removal 1. Find your model to locate the SIM tray. 2. Insert a paper clip or SIM-eject tool into the hole next to the SIM tray. 3. Push the paper clip or SIM-eject tool toward the enclosure to eject the SIM tray. 4. Remove the SIM tray. Reassembly 1. Press the SIM tray back into the side of the enclosure. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Display | Before You Begin Display Before You Begin • • Warning Read Battery Safety and follow workspace and battery handling guidelines before you begin. Read Broken Glass before you begin. Tools • 6.7-inch heated display pocket • Adhesive cutter • • • • • • • • • • • • 6.
iPhone 12 Pro Max • • Display | Before You Begin Caution To avoid damaging the lenses, don’t touch the TrueDepth camera assembly or nearby parts. Don’t touch the back of the display. Touching the back of the display may affect image quality. Important • • This procedure requires System Configuration. After you’ve completed all removal and reassembly steps, learn how to initiate the System Configuration process at support.apple.com/self-service-repair.
iPhone 12 Pro Max Display | Removal Removal 1. Use a torque driver and the Torx security bit to remove the two security screws, one from each side of the Lightning connector. Set aside the screws. 2. Flip the switch on the back of the heated display removal fixture to turn it on. The internal fan will turn on. Wait for a checkmark to appear on the screen. Note: If an error code appears on the screen, turn off the fixture and turn it back on. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Display | Removal 3. Gently insert the iPhone into the heated display pocket with the display faceup and the Lightning connector facing the bottom of the pocket. Important Ensure that the clamp on the side of the pocket is flipped up. 4. Flip down the clamp on the side of the pocket to lock the iPhone into place. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Display | Removal 5. Put on the heat-resistant gloves. Align the cutout on the bottom of the pocket with the rail on the fixture. Slide the pocket with the iPhone onto the rail on the fixture. Warning Don’t insert the pocket into the fixture without wearing the heat-resistant gloves. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Display | Removal 6. Slide the pocket into the fixture until you hear the pocket click into place. Note: The screen on the fixture will turn red and the timer will count down from 2 minutes while the pocket heats to the correct temperature. When the timer ends, the fixture will start to beep and the screen will turn green. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Display | Removal 7. Turn the knob on the fixture clockwise to lower the suction cup as close to the iPhone as possible without touching the iPhone. Caution To avoid damaging the iPhone, don’t turn the knob before the timer beeps. Note: The fixture will beep until the suction cup is lowered. 8. Grasp the handle and slide the suction cup straight out until the edge of the suction cup aligns with the bottom edge of the display.
iPhone 12 Pro Max Display | Removal 9. Turn the knob on the fixture clockwise to lower the suction cup onto the display (1). Then flip down the handle on the suction cup to secure the suction cup to the display (2). 10. Slowly turn the knob on the fixture counterclockwise until the display begins to separate from the enclosure. Important If you don’t see a gap between the display and the enclosure immediately, wait 30 seconds.
iPhone 12 Pro Max Display | Removal 11. Insert the edge of the adhesive cutter between the display and the enclosure. Run the cutter between the display and the enclosure to the right and left as shown until the display partially releases from the enclosure. Caution To avoid damaging the flex cables, don’t tilt up the bottom of the display more than 5 degrees. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Display | Removal 12. Flip up the handle to release the suction cup (1). Gently slide the flat end of the black stick under the edge of the suction cup to release it from the display (2). Caution Don’t turn the knob. Turning the knob may damage the flex cables. 13. Press the eject button on the side of the pocket to release the pocket from the fixture. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Display | Removal 14. Hold both sides of the pocket and slide it straight out of the fixture. 15. Flip up the clamp on the side of the pocket to release the iPhone (1). Hold the area outlined in blue and gently remove the iPhone from the pocket (2). 16. Place the iPhone into the repair tray with the display faceup and the Lightning connector facing the cutout. Remove the gloves. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Display | Removal 17. Slide the display slightly toward the bottom of the iPhone. 18. Insert the edge of the adhesive cutter into the top of the iPhone between the display and the enclosure. Hold the adhesive cutter at a 45-degree angle. Start at the middle and cut along the top and sides of the iPhone until the display is free. Caution To avoid damaging the flex cables, don’t tilt up the bottom of the display more than 5 degrees. 19.
iPhone 12 Pro Max Display | Removal 20. Tilt up the display toward the suction cups. Press the top and bottom edges of the display to secure it to the suction cups. • • Caution o avoid damaging the T enclosure or display, ensure that the internal display clips are released before you tilt up the display. on’t damage the flex D cables as you tilt up the display. Warning If the battery is dented, punctured, or otherwise damaged, stop the repair. You can find a service option at support.apple.
iPhone 12 Pro Max Display | Removal 22. Use ESD-safe tweezers to remove the lower cowling. Save the cowling for reassembly. 23. Use a torque driver and the Micro stix bit to remove the three trilobe screws from the upper cowling. Set aside the screws. 24. Hold the upper cowling in place and use a torque driver and the Micro stix bit to remove the last trilobe screw (1). Set aside the screw. Note: The upper cowling has a tab that fits into a slot near the camera cowling (2). 25.
iPhone 12 Pro Max Display | Removal 26. Use the black stick to lift the end of the battery flex cable off the connector (1). Caution You must disconnect the battery flex cable first to ensure that the iPhone remains turned off. 27. Use the black stick to lift the ends of the display flex cable (2) and receiver flex cable (3) off the connectors. 28. 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.
iPhone 12 Pro Max Display | Removal 30. Use ESD-safe tweezers to pick up the adhesive. Then pull the adhesive to remove it from the enclosure. Repeat this process until all the adhesive is removed from the perimeter of the enclosure. Caution Don’t touch the TrueDepth camera assembly, grounding springs, or nearby parts. 31. Use ethanol wipes or IPA wipes to clean any adhesive residue from the enclosure. Caution Don’t use ethanol wipes or IPA wipes on the display.
iPhone 12 Pro Max Display | Reassembly Reassembly 1. Inspect the internal display clips for damage before reassembly. Ensure that the internal display clips are at a 90-degree angle and aren’t bent or damaged. Important • • If the internal display clips are damaged, you may need to replace the display. If you’re installing a replacement display, peel the protective liner from the top and underside of it.
iPhone 12 Pro Max 3. Inspect the TrueDepth camera. Ensure that the top edge of the TrueDepth camera is under the lip of the enclosure. Display | Reassembly Correct position Incorrect position Caution If the TrueDepth camera is positioned incorrectly, use the black stick to move it away from the grounding clip. Then insert the top edge of the TrueDepth camera under the lip of the enclosure. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Display | Reassembly 4. Align the replacement display adhesive over the enclosure with the top holes over the TrueDepth camera assembly and the bottom tab on the right. Caution Ensure that you’ve removed all adhesive residue from the display and the enclosure before you apply the replacement display adhesive. 5. The replacement display adhesive has a top release liner, a middle release liner, and a bottom release liner. Grasp the tab on the bottom release liner.
iPhone 12 Pro Max Display | Reassembly 6. Place the display adhesive press plate on top of the enclosure with the icon in the top right corner as shown. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Display | Reassembly 7. Position the repair tray with the iPhone in the display press. Pull down the lever until the display press locks. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Display | Reassembly 8. Wait until the timer on the display press beeps. Pull down the lever (1) and pull out the release knob (2). Then lift the lever (3). 9. Remove the repair tray from the display press and remove the press plate. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Display | Reassembly 10. Remove the left section on the top release liner first (1). Then remove the three sections running along the right (2), top (3), and bottom (4). Important Don’t remove the middle release liner yet. Top release liner 11. Insert the suction cups into the repair tray. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Display | Reassembly 12. Align the left edge of the display with the left edge of the enclosure as shown. Gently press along the edges of the display to secure it to the suction cups. 13. Press the ends of the display flex cable (1) and receiver flex cable (2) to the connectors. Press evenly along the length of each connector. 14. Press the end of the battery flex cable to the connector (3). Press evenly along the length of the connector. 15.
iPhone 12 Pro Max Display | Reassembly 17. The upper cowling has a tab near the third screw hole that fits into a slot near the camera cowling (3). Use ESD-safe tweezers to fit the tab into the slot. Then lower the cowling over the end of the receiver flex cable. 18. Use the black torque driver and Micro stix bit to install four new trilobe screws (1–4) into the upper cowling in the order shown. 19.
iPhone 12 Pro Max Display | Reassembly 20. Inspect the display adhesive to ensure that it’s in the correct position and not damaged or wrinkled. If the adhesive is damaged, remove it and apply replacement adhesive. 21. Repeat step 3 to ensure that the TrueDepth camera is in the correct position. Then continue to step 22. Warning Inspect the enclosure for loose or extra screws and small parts, which can damage the battery and cause safety issues. 22.
iPhone 12 Pro Max Display | Reassembly 23. Remove the suction cups from the repair tray. 24. Press all four corners of the display simultaneously. Then press along the edges of the display until you hear a click and the display is flush with the enclosure. Caution Ensure that the flex cables aren’t trapped between the display and the enclosure. Feel the edges of the display for variations or gaps. If the display isn’t flush, repeat all removal steps and check the flex cables for damage.
iPhone 12 Pro Max Display | Reassembly 25. Position the repair tray with the iPhone in the display press. Pull down the lever until the display press locks. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Display | Reassembly 26. Wait until the timer on the display press beeps. Pull down the lever (1) and pull out the release knob (2). Then lift the lever (3). 27. Remove the repair tray from the display press. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Display | Reassembly 28. Use the gray torque driver and Torx security bit to install two new security screws, one on each side of the Lightning connector. As you install the screws, press lightly on the display near the Lightning connector. Caution If the screws aren’t flush, remove and set aside the screws. Repeat step 28 to install another new set of screws. If the new screws still aren’t flush, repeat all removal and reassembly steps.
iPhone 12 Pro Max Camera | Before You Begin Camera Before You Begin Warning Read Battery Safety and follow workspace and battery handling guidelines before you begin. Remove the following part before you begin: • Display Tools • 6.7-inch repair tray • Micro stix bit • • • • ESD-safe tweezers Nitrile or lint-free gloves Nylon probe (black stick) Torque driver (green, 0.45 kgf cm) • • Caution To avoid damaging the lenses, don’t touch the TrueDepth camera assembly or nearby parts.
iPhone 12 Pro Max Camera | Removal Removal 1. Place the enclosure in the repair tray with the Lightning connector facing the cutout. 2. Use a torque driver and the Micro stix bit to remove the five trilobe screws from the camera cowling in the order shown. Hold the camera cowling in place as you remove the center screw (5). Set aside the screws. Caution Avoid touching the grounding springs. 3. Use ESD-safe tweezers to tilt up the camera cowling from the left side.
iPhone 12 Pro Max Camera | Removal 4. Use ESD-safe tweezers to lift the end of the top camera flex cable off the connector. Note: One camera flex cable covers the other. 5. Use ESD-safe tweezers to lift the end of the bottom camera flex cable off the connector. 6. Gently hold the flex cables together and lift the cameras out of the enclosure. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Camera | Reassembly Reassembly 1. Put on the gloves to prevent contamination of the camera lenses. Then hold the replacement cameras with the lenses facedown and remove the protective cover from the camera lenses. 2. Tilt the bottom edge of the cameras down and toward the battery as shown. Ensure that the camera flex cables fit into the channel in the enclosure. 3. Position the cameras in the enclosure. 4. Press the end of the bottom camera flex cable to the connector.
iPhone 12 Pro Max Camera | Reassembly 5. Press the end of the top camera flex cable to the connector. 6. Lightly press the cameras into the enclosure. 7. The camera cowling has a tab that fits into a slot under the lip on the right side of the enclosure. Inspect the tab and grounding springs on the cowling for damage before reassembly. 8. Hold the cowling with ESD-safe tweezers and slide the cowling tab into the slot. Then lower the cowling onto the cameras.
iPhone 12 Pro Max Camera | Reassembly 9. Hold the camera cowling in place with your finger. Use the green torque driver and Micro stix bit to install five new trilobe screws into the camera cowling in the order shown. Reinstall the following part to complete reassembly: • Display Important After you’ve completed all removal and reassembly steps, learn how to initiate the System Configuration process at support.apple.com/self-service-repair. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Camera | Reassembly During System Configuration, you will perform LiDAR Scanner calibration. Prepare for calibration by reviewing the following steps: 1. Use a well-lit area containing objects of different shapes and sizes. 2. Sit or stand 1 to 2 feet from the objects. 3. Hold the device vertically and rest your elbow on your body to help stabilize your arm. 4. Start scanning by slowly panning back and forth to the left and right of the starting point.
iPhone 12 Pro Max Speaker | Before You Begin Speaker Before You Begin Warning Read Battery Safety and follow workspace and battery handling guidelines before you begin. Remove the following part before you begin: • Display Tools • 6.7-inch repair tray • JCIS bit • • • ESD-safe tweezers Nylon probe (black stick) Torque driver (black, 0.35 kgf cm) Important This procedure requires a replacement battery shim, which is available with a replacement speaker, Taptic Engine, or battery.
iPhone 12 Pro Max Speaker | Removal Removal 1. Place the enclosure in the repair tray with the Lightning connector facing the cutout. 2. Run the flat end of the black stick between the battery shim and the Taptic Engine and speaker to loosen the battery shim. 3. Use a torque driver and the JCIS bit to remove the four crosshead screws from the speaker. Set aside the screws. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Speaker | Removal 4. Use ESD-safe tweezers to remove the battery shim from the enclosure. Discard the shim. 5. Use the black stick to tilt up the speaker. Then remove the speaker from the enclosure. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Speaker | Reassembly Reassembly 1. Rotate the repair tray. Ensure that the rubber gasket is positioned as shown. If the gasket is out of position, use ESD-safe tweezers to reposition it. 2. Ensure that the speaker foam is intact and the grounding springs on the speaker aren’t bent or broken. 3. Rotate the repair tray. Align the port on the speaker with the hole in the enclosure. Then lower the speaker into position. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Speaker | Reassembly 4. Use the black torque driver and JCIS bit to install four new crosshead screws into the speaker. 5. Remove the adhesive release liner from the replacement battery shim. 6. Use ESD-safe tweezers to position the replacement battery shim between the top edges of the Taptic Engine and speaker and the bottom edge of the battery. Ensure that the adhesive side of the shim faces the Taptic Engine and speaker. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Speaker | Reassembly 7. Run the flat end of the black stick between the replacement battery shim and the bottom edge of the battery to adhere the shim to the Taptic Engine and speaker. Reinstall the following part to complete reassembly: • Display © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Taptic Engine | Before You Begin Taptic Engine Before You Begin Warning Read Battery Safety and follow workspace and battery handling guidelines before you begin. Important Remove the following parts before you begin: • Display • Speaker Tools • 6.7-inch repair tray • JCIS bit • • • • • • ESD-safe tweezers Nylon probe (black stick) Super screw bit Torque driver (black, 0.35 kgf cm) Torque driver (gray, 0.55 kgf cm) Torque driver (green, 0.45 kgf cm) © 2022 Apple Inc.
iPhone 12 Pro Max Taptic Engine | Removal Removal 1. Place the enclosure in the repair tray with the Lightning connector facing the cutout. 2. Use a torque driver and the JCIS bit to remove the crosshead screw from the Taptic Engine cowling. Set aside the screw. 3. Use ESD-safe tweezers to remove the Taptic Engine cowling. Save the cowling for reassembly. 4. Use a torque driver and the super screw bit to remove the two super screws from the Taptic Engine. Set aside the screws. © 2022 Apple Inc.
iPhone 12 Pro Max Taptic Engine | Removal 5. Use a torque driver and the JCIS bit to remove one crosshead screw from the Taptic Engine. Set aside the screw. 6. Use the black stick to lift the end of the Taptic Engine flex cable off the connector. 7. Use ESD-safe tweezers to remove the Taptic Engine. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Taptic Engine | Reassembly Reassembly 1. Position the Taptic Engine in the enclosure. 2. Press the end of the Taptic Engine flex cable to the connector. 3. Use the gray torque driver and super screw bit to install two new super screws into the Taptic Engine. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Taptic Engine | Reassembly 4. Use the green torque driver and JCIS bit to install one new crosshead screw into the Taptic Engine. 5. Use ESD-safe tweezers to position the Taptic Engine cowling in the enclosure. 6. Use the black torque driver and JCIS bit to install one new crosshead screw into the Taptic Engine cowling. Reinstall the following parts to complete reassembly: • • Speaker Display © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Battery | Before You Begin Battery Before You Begin • • Warning A battery should be replaced only by individual technicians with the knowledge and experience to repair electronic devices. Improper battery replacement, improper handling of parts, or failure to follow the provided instructions could result in fire, injury, data loss, or damage to the device, parts, or other property. Read Battery Safety and follow workspace and battery handling guidelines before you begin.
iPhone 12 Pro Max Battery | Before You Begin Caution To avoid damaging the lenses, don’t touch the TrueDepth camera assembly or nearby parts. Important • • This procedure requires System Configuration. After you’ve completed all removal and reassembly steps, learn how to initiate the System Configuration process at support.apple.com/self-service-repair. This procedure requires a replacement battery shim, which is available with a replacement speaker, Taptic Engine, or battery. © 2022 Apple Inc.
iPhone 12 Pro Max Battery | Removal Removal 1. Place the enclosure in the repair tray with the Lightning connector facing the cutout. 2. Use ESD-safe tweezers to grasp the bottom right battery adhesive tab. Gently peel the adhesive tab away from the battery. Warning Don’t scrape or puncture the battery with the tweezers. Important Peel the adhesive tab completely away from the battery before continuing to step 3. 3. Hold down the iPhone.
iPhone 12 Pro Max Battery | Removal 5. Pull the tweezers toward the bottom of the iPhone and continue to twist the adhesive strip until you’ve removed the entire strip. Caution Don’t pull the adhesive strip against parts or screws. Important If the battery adhesive tab or strip breaks off and you can still see it, attempt to retrieve it with the tweezers. Wrap the tab or strip around the tweezers and repeat steps 4 and 5. If you can’t see the tab or strip, continue to step 6. 6.
iPhone 12 Pro Max Battery | Removal 8. Rotate the repair tray and put on the nitrile or lint-free gloves. 9. Use ESD-safe tweezers to gently peel both battery adhesive tabs from the top of the battery. 10. Hold down the iPhone. Use ESD-safe tweezers to grasp one battery adhesive tab. Twist the tweezers to wrap the adhesive strip around them. Important Hold the tweezers close and parallel to the battery as you twist. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Battery | Removal 11. Keep the tweezers in the channel between the battery and the shim. Continue to slowly twist the tweezers until you’ve removed the entire battery adhesive strip. Important If the battery adhesive tab or strip breaks off and you can still see it, attempt to retrieve it with the tweezers. Wrap the tab or strip around the tweezers and repeat step 11. If you can’t see the tab or strip, continue to step 12. 12.
iPhone 12 Pro Max Battery | Removal Caution When using the black stick to remove the battery from the enclosure, don’t damage the flex cables. Don’t scrape, rip, tear, or otherwise damage the polyester film or other areas. If damage occurs, replace the iPhone. 14. Insert the flat end of the black stick into one of the insertion points as shown. Ensure that the black stick is inserted into a point where the battery strip has been fully removed.
iPhone 12 Pro Max Battery | Removal 15. Slightly lift the battery with the black stick just enough to grasp underneath the battery. Caution To avoid damage, don’t press the black stick on the edge of the enclosure as you lift the battery. 16. Remove the battery from the enclosure. Then inspect the enclosure for damage. If the enclosure is damaged, replace the iPhone. Warning If you can’t remove the battery, stop the repair. You can find a service option at support.apple.com/repair. © 2022 Apple Inc.
iPhone 12 Pro Max Battery | Reassembly Reassembly 1. Use ethanol wipes or IPA wipes on the area shown in blue to remove any remaining adhesive from the enclosure. Caution Don’t use ethanol wipes or IPA wipes on the areas outlined in red. Ethanol or isopropyl alcohol may damage the polyester film and wireless charging unit. Warning Inspect the enclosure for loose or extra screws and small parts, which can damage the battery and cause safety issues. 2. Reinstall the Taptic Engine.
iPhone 12 Pro Max Battery | Reassembly 5. Position the replacement battery shim on the top edges of the Taptic Engine and speaker. Ensure that the adhesive side of the shim faces the Taptic Engine and speaker. 6. Use the flat end of the black stick to adhere the battery shim to the Taptic Engine and speaker. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Battery | Reassembly 7. Peel the pink release liner from the underside of the replacement battery. Important Don’t remove the battery protective cover from the top of the battery yet. 8. Hold the battery over the enclosure with the protective cover faceup. Align the bottom of the battery with the Taptic Engine (1) and the right edge with the enclosure (2). Then lower the battery into the enclosure. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Battery | Reassembly 9. The center of the repair tray has two slots. Position the repair tray and enclosure onto the battery press with the left slot over the pin. 10. Flip down the red lever to lower the roller onto the battery. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Battery | Reassembly 11. Slide the repair tray back and forth through the battery press three times to adhere the battery to the enclosure. 12. Flip up the red lever. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Battery | Reassembly 13. Position the repair tray and enclosure onto the battery press with the right slot over the pin. 14. Flip down the red lever. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Battery | Reassembly 15. Slide the repair tray back and forth through the battery press three times to adhere the battery to the enclosure. 16. Flip up the red lever. © 2022 Apple Inc. All rights reserved.
iPhone 12 Pro Max Battery | Reassembly 17. Remove the repair tray from the battery press. 18. Hold the edges of the protective cover. Pull the release tabs on the protective cover to remove the cover from the battery. Important Don’t press the area over the tab you are releasing. Caution Don’t touch the grounding springs near the Taptic Engine. Reinstall the following part to complete reassembly: • Display Warning Gently shake the iPhone.
