Introduction
Follow this guide to remove and replace the logic board in an iPhone 17 Pro Max.
After your repair, calibrate the logic board to the rest of the iPhone using Repair Assistant.
What you need
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Unplug all cables from your phone.
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Hold the power and either volume button and slide to power off your phone.
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Tool used on this step:iFixit Safety Glasses$7.99
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Apply strips of packing tape to the cracked glass until it's completely covered—this will help keep the glass contained and allow the suction cup to stick.
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Make sure there's a single strip of tape (not overlapping) across the bottom edge, big enough for a suction cup to fit on.
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Use a P2 pentalobe screwdriver to remove the two 7.5 mm‑long screws on either side of the charging port.
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Measure 3 mm from the tip and mark the opening pick with a permanent marker.
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Use a hair dryer or heat gun to heat the bottom edge of the screen until it's slightly too hot to touch.
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Apply a suction handle to the bottom edge of the screen, as close to the edge as possible.
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There's a plastic bezel on the underside of the screen that sits on the frame. Insert your pick here, making sure it's completely under the bezel.
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There's a seam between the plastic bezel and the display panel. Don't insert your pick here or you'll separate the two, complicating the repair.
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Pull up on the suction handle with strong, steady force until a gap forms between the screen and frame.
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Insert the tip of an opening pick in the gap you just created.
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The screen and ambient light sensor cables are located near the volume and Action buttons.
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There are delicate spring contacts around the perimeter of the phone.
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The underside of the screen has thin, metal clips that go into corresponding slots on the frame.
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Slide the opening pick along the bottom edge to separate the adhesive.
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Leave the pick inserted under the bottom right corner to prevent the adhesive from re‑sealing.
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Pull the small nub on the suction cup to remove it from the screen.
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Insert a second opening pick under the bottom right corner of the screen.
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Slide the pick up the right edge to separate the adhesive and release the two clips.
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Leave the pick inserted under the top right corner to prevent the adhesive from re‑sealing.
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Insert a third opening pick under the top right corner of the screen.
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Slide the pick along the top edge and just barely around the top left corner to separate the adhesive and release the two clips.
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Leave the pick inserted under the top left corner to prevent the adhesive from re‑sealing.
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Insert a fourth opening pick under the bottom left corner of the screen.
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Slide the pick up the right edge to separate the adhesive and release the clip, stopping just before the volume up button.
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Lift the screen straight up and swing it over the left edge, propping it up against a sturdy box or stack of books so the cables aren't strained.
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Tool used on this step:FixMat$36.95
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Use a JIS 00 screwdriver to remove the two screws securing the cable covers:
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One 1.4 mm‑long screw for the screen and front sensor cable cover
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One 1.3 mm‑long screw for the battery cover
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Use the point of a spudger to pry up and disconnect the battery press connector.
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Use the tip of an opening pick or the point of a spudger to pry up and disconnect the screen and ambient light sensor press connectors.
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Use a Torx Plus 4IP screwdriver to remove the screws securing the battery tray:
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One 7.5 mm‑long screw
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One 5.9 mm‑long screw
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One 3.4 mm‑long screw
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One 2.3 mm‑long screw
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Nine 3.7 mm‑long screws
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One 3.7 mm‑long screw
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Use your finger to lift the top left corner of the battery tray and remove it.
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Use a tri-point Y000 screwdriver to remove the 1.0 mm‑long screw securing the rear camera connector cover.
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Use the point of a spudger to pry up and disconnect the three rear camera press connectors.
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Use a Torx Plus 4IP screwdriver to remove the three screws securing the rear camera assembly:
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Two 4.0 mm‑long screws
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One 4.4 mm‑long screw
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Use a tri-point Y000 screwdriver to remove the 1.0 mm‑long screw securing the front camera connector cover.
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Use the point of a spudger to pry up and disconnect the two front camera connectors (one's under the other) from the logic board.
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Use a JIS 00 screwdriver to remove the three 2.2 mm‑long screws securing the top speaker.
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Use a tri-point Y000 screwdriver to remove the 1.0 mm‑long screw securing the button connector cover.
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Use the point of a spudger to pry up and disconnect the two press connectors along the top edge of the logic board.
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Use a tri-point Y000 screwdriver to remove the 1.0 mm‑long screw securing the mmWave antenna connector cover.
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Carefully swing the logic board over the right edge of the iPhone.
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Use a tri-point Y000 screwdriver to remove the 1.0 mm‑long screw securing the wireless charging connector cover.
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Use the point of a spudger to pry up and disconnect the wireless charging connector.
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Use your finger to press and connect the wireless charging press connector to the logic board.
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Tuck the wireless charging connector cover's tab into the lip on the logic board and lay it in place.
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Carefully swing the logic board into the iPhone and rest it in place.
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Skip the next three steps.
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Carefully swing the logic board into the iPhone and angle it such that the mmWave cable can reach its logic board socket.
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Use your finger to carefully align and press the mmWave antenna press connector onto the logic board.
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Use an opening pick to hold the flex cables along the left edge of the iPhone to prevent them from being trapped underneath the logic board.
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Swing the logic board down in place, making sure no flex cables are trapped along the left and bottom edges.
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Latch the end of the button connector cover onto the logic board.
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Align the top edge of the top speaker with the iPhone.
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Lay the speaker in its recess.
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Hook the small latch in the corner of the camera connector cover onto the logic board and set it in place.
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Use your finger to press and connect the three camera press connectors onto the logic board.
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Use tweezers to latch the rear camera connector cover onto the logic board and lay it in place.
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Use a Torx Plus 4IP screwdriver to install the battery tray screws:
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One 7.5 mm‑long screw
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One 5.9 mm‑long screw
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One 3.4 mm‑long screw
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One 2.3 mm‑long screw
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Nine 3.7 mm‑long screws
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One 3.7 mm‑long screw
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Tool used on this step:Tweezers$4.99
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Use tweezers or your fingers to remove large pieces of adhesive from the frame perimeter.
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Use a spudger to scrape the adhesive residue off the frame.
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Tool used on this step:Microfiber Cleaning Cloths$3.99
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If you're reusing your screen, apply a few drops of highly-concentrated isopropyl alcohol (over 90%) to a microfiber or lint-free cloth and wipe around the perimeter to prepare the surface for new adhesive.
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Without peeling any liners, lay the adhesive sheet over the frame to determine its proper orientation.
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Grab the tab in the corner of the adhesive sheet and peel the liner to expose a third of the adhesive.
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Use the pull tab to peel off the large front liner from the adhesive. The pull tab is often in a corner of the liner.
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At this point, you'll still have liners covering the perimeter. Don't remove these liners yet—they prevent the adhesive from accidentally sticking while you reassemble your iPhone.
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Set the iPhone screen next to the frame such that the screen cables can comfortably reach the logic board.
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Use your finger or the flat end of a spudger to press and connect the battery connector onto the logic board.
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This is a good point to test your repair before sealing up your iPhone. Power on your iPhone and make sure it works as expected. Power it back down and continue reassembly.
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Tuck the top edge of the battery connector cover under the cutout lip.
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Align the cover by its screw hole and lay it in place.
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Tuck the left edge of the screen connector cover under the cutout lip.
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Align the cover by its screw hole and lay it in place.
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With one hand hold the screen steady.
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Use your fingers or a spudger to peel away all perimeter liners, exposing the adhesive.
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Check the internals for any stray liners and remove them. There should be no liners remaining.
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Lower the screen onto the frame, beginning with the top edge.
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Press along the edges of the iPhone until the screen sits flush against the frame.
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Use a hair dryer or a heat gun to heat the screen perimeter until it's slightly too hot to touch.
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Use a P2 pentalobe screwdriver to install the two 7.5 mm‑long screws on either side of the charging port.
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After your repair, you may need to run Apple's Repair Assistant. Navigate to Settings → General → About → Parts & Service History, tap Restart & Finish Repair, and follow the onscreen prompts.
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 Answers community for help.
