iPhone 15 Pro Max Battery Replacement
Use this guide to replace the battery in your iPhone 15 Pro Max.
iPhone batteries are rated to hold 80% of their capacity for up to 1000 charge cycles. If your iPhone needs to be charged more often or runs slower, it might be time to replace the battery.
You'll need replacement screen adhesive to complete this repair. If your new battery doesn't come with adhesive pre-installed, you'll need replacement adhesive for it, as well.
If your battery is swollen, take appropriate precautions.
Note: Due to Apple's parts pairing restrictions, on iOS 17.6 and earlier, you may receive warnings about your replacement part and lose access to battery health data, but your new battery will otherwise work normally. On iOS 18 and newer, calibrate authentic Apple batteries using Repair Assistant.
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Werkzeuge
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ESD Safe Blunt Nose Tweezers Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Hair Dryer Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Heat Gun Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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iFixit Opening Picks (Set of 6) Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Isopropyl Alcohol Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Microfiber Cleaning Cloths Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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P2 Pentalobe Screwdriver iPhone Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Phillips #000 Screwdriver Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Plastic Cards Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Spudger Verfügbarkeit: Bestellbar Im Shop ansehen →
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Standoff Screwdriver for iPhones Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Suction Handle Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Tri-point Y000 Screwdriver Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Ersatzteile
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iPhone 15 Pro Max Battery Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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iPhone 15 Pro Max Battery Adhesive Strips Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Precut Double-Sided Adhesive Card Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
Anleitung
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Prepare your phone for disassembly
Unplug any cables from your phone.
Hold the power and either volume buttons and slide to power off your phone.
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Tape over any cracks
If your screen or back glass is badly cracked, lay overlapping strips of packing tape over the glass to protect yourself and make disassembly easier.
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Mark your opening picks
Measure 3 mm from the tip and mark the opening pick with a permanent marker.
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Remove the pentalobe screws
Use a P2 pentalobe driver to remove the two 7.2 mm-long screws on either side of the charging port.
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Heat the bottom edge
Use a hair dryer or heat gun to heat the bottom edge of the screen until it's hot to the touch.
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Insert an opening pick
Apply a suction handle to the bottom edge of the screen.
Pull up on the handle with a strong, steady force to create a gap between the screen and the frame.
Insert the tip of an opening pick into the gap.
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Screen information
There are two delicate cables connecting the screen to the phone: one just above the action button, and the other near the middle of the left edge.
There are multiple spring contacts around the perimeter of the phone. Be extra careful not to insert your pick deeper than suggested in these locations to avoid bending the contacts.
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Separate the bottom edge adhesive
Slide your pick back and forth along the bottom edge to separate the adhesive.
Leave your pick inserted in the bottom right corner to prevent the adhesive from re-sealing.
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Heat the right edge
Heat the right edge of the screen until it's hot to the touch.
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Position the opening pick
Slide your pick around the bottom right corner of the screen and toward the power button until you feel a hard stop at a clip securing the screen.
Rotate your pick so the flat edge is under the screen.
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Release the right clip
Twist the pick to increase the gap between the screen and the frame until the right clip releases.
Insert a second opening pick to the right of the first pick.
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Separate the right edge adhesive
Slide the first pick back to the bottom right corner of the screen.
Slide the second pick to the top right corner of the screen to separate the adhesive.
Leave these picks inserted to prevent the adhesive from resealing.
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Heat the top edge
Heat the top edge of the screen until it's hot to the touch.
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Separate the top edge adhesive
Slide your pick around the top right corner and along the top edge to release the two clips and adhesive securing it.
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Heat the left edge
Heat the left edge of the screen until it's hot to the touch.
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Separate the left edge adhesive
Rotate your pick around the top left corner of the screen.
Slide your pick to the bottom left corner of the screen to separate the adhesive.
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Swing open the screen
Gently swing open the screen to the left of the phone.
Rest the screen against a box or similar object so it doesn't strain the cables.
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Unfasten the logic board cover
Use a tri-point Y000 driver to remove the six screws securing the logic board cover:
One 2.1 mm‑long screw
Five 1.5 mm‑long screws
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Remove the logic board cover
Use tweezers or your fingers to grab and slide the logic board cover toward the bottom of the phone to clear the sensor cable.
Remove the cover.
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Disconnect the battery
Use the tip of an opening pick to pry up and disconnect the battery press connector.
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Disconnect the ambient light sensor
Use the point of a spudger to pry up and disconnect the ambient light sensor press connector from the top left of the logic board.
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Disconnect the screen
Disconnect the screen press connector.
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Remove the screen
Remove the screen.
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Unfasten the loudspeaker
Use your Phillips #000 driver to remove the four screws securing the loudspeaker:
Three 2.1 mm screws
One 2.9 mm screw
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Separate the tape
Insert an opening pick under the tape in the small gap between the Taptic Engine and the loudspeaker.
Slide the pick toward the left edge of the phone to separate the tape from the Taptic Engine.
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Remove the loudspeaker
Insert the flat end of a spudger between the right edge of the loudspeaker and the frame.
Pry up until you can grab the loudspeaker with your fingers.
Remove the loudspeaker.
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Disconnect the Taptic Engine
Use the tip of your spudger to pry up and disconnect the Taptic Engine press connector.
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Remove the grounding clip
Remove the two screws securing the grounding clip:
One 1.2 mm Phillips #000 screw
One 1.9 mm tri-point Y000 screw
Use tweezers to remove the grounding clip.
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Unfasten the Taptic Engine
Remove the two screws securing the Taptic Engine:
One 2.9 mm Phillips #000 screw
One 3.8 mm standoff screw
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Remove the Taptic Engine
Insert the flat end of a spudger between the left edge of the Taptic Engine and the frame.
Pry up until you can grab the Taptic Engine with your fingers.
Remove the Taptic Engine.
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Adhesive information
Each strip has a black pull tab at its end, which is lightly adhered to the edge of the battery.
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Separate the pull tabs
Use the tip of an opening pick to gently unstick an edge of an adhesive pull tab from the edge of the battery.
Use blunt nose tweezers to grip the edge of the pull tab and pull it completely off the edge of the battery.
Repeat for the other two pull tabs.
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Remove the stretch release adhesive
Pull one of the pull tabs out from under the battery until you can grip it with your fingers or wrap it around your tool.
Hold the phone steady using the edges of the frame—don't press down on the battery.
Pull the strip slowly, evenly, and at a low angle without dragging on other components.
Continue pulling, re-gripping or wrapping it around your tool as you go, until the strip fully releases from under the battery.
Repeat this step for the other two strips.
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Alternate method to remove the battery
If the top strip remains, prop up the top edge of the phone.
If either of the bottom strips remain, prop up the left edge of the phone (the side with the volume buttons).
Use a pipette or syringe to apply a few drops of highly-concentrated isopropyl alcohol (over 90%) to the elevated edge of the battery.
Wait one minute for the isopropyl alcohol to flow under the battery and soften the adhesive.
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Pry up the battery
Insert the short edge of a plastic card between the bottom edge of the battery and the frame.
Gently pry up the battery until the adhesive fully separates.
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Remove the battery
Remove the battery.
Clean your frame with isopropyl alcohol and a lint-free or microfiber cloth.
Before applying adhesive, temporarily reconnect your new battery and place it in its recess to check if it fits and that the cable reaches the socket on the logic board. Disconnect the battery before continuing.
Check out this guide to apply new stretch release adhesive strips to your battery, if it doesn't already come with adhesive installed.
If you don't have stretch release adhesive, use thin, double-sided tape to secure it.
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Abschluss
To reassemble your device, follow these instructions in reverse order.
After your repair, depending on the replacement part, you may be able to calibrate it using Apple's Repair Assistant, available as of iOS 18. Update your device, navigate to Settings → General →About → Parts & Service History, tap Restart & Finish Repair, and follow the onscreen prompts.
For optimal performance, calibrate your newly installed battery after completing this guide.
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.