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iPhone 18 Pro Battery Replacement

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Time Required: 2 - 3 hours
Difficulty: Moderate
Featured Guide

This guide has been found to be exceptionally cool by the iFixit staff.

iPhone 18 Pro Battery Replacement

Introduction

Go to step 1 ↓

Follow this guide to replace a dead or worn‑out battery in an iPhone 18 Pro.

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.

Battery health should work with both genuine and aftermarket replacement batteries.

Note: You'll need replacement screen adhesive to complete this repair.

What you need

Tools

    1. iPhone 18 Pro Battery Replacement, Safety precautions: step 1, image 1 of 2 iPhone 18 Pro Battery Replacement, Safety precautions: step 1, image 2 of 2
      • Let your iPhone's battery drain below 25% before starting this repair—a charged lithium‑ion battery may catch fire if damaged.

      • Unplug all cables from your phone.

      • Hold the power and either volume button and slide to power off your phone.

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    2. iPhone 18 Pro Battery Replacement, Cracked glass preparation: step 2, image 1 of 3 iPhone 18 Pro Battery Replacement, Cracked glass preparation: step 2, image 2 of 3 iPhone 18 Pro Battery Replacement, Cracked glass preparation: step 2, image 3 of 3
      Tool used on this step:
      iFixit Safety Glasses
      $7.95
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      • Glass shards can complicate disassembly—or worse, cause injury. If your phone is cracked, follow this step.

      • 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.

      • Make sure there's a single strip of tape (not overlapping) across the bottom edge, big enough for a suction cup to fit on.

      • Only cover the glass itself—don't stick any tape to the frame.

      • Consider wearing safety glasses to protect your eyes from any glass shaken free during the repair.

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    3. iPhone 18 Pro Battery Replacement, Remove the pentalobe screws: step 3, image 1 of 2 iPhone 18 Pro Battery Replacement, Remove the pentalobe screws: step 3, image 2 of 2
      • 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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    1. iPhone 18 Pro Battery Replacement, Mark your opening picks: step 4, image 1 of 3 iPhone 18 Pro Battery Replacement, Mark your opening picks: step 4, image 2 of 3 iPhone 18 Pro Battery Replacement, Mark your opening picks: step 4, image 3 of 3
      • If inserted too far, an opening pick can damage your device. Follow this step to mark your pick and prevent damage.

      • Measure 3 mm from the tip and mark the opening pick with a permanent marker.

      • Alternatively, you can tape a coin 3 mm from the tip of the pick.

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    2. iPhone 18 Pro Battery Replacement, Heat the bottom edge: step 5, image 1 of 1
      • Use a hair dryer or heat gun to heat the bottom edge of the screen until it's slightly too hot to touch.

      • Improper use of a heat gun can destroy the display and/or battery—follow the linked instructions carefully.

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    3. iPhone 18 Pro Battery Replacement, Apply a suction handle: step 6, image 1 of 2 iPhone 18 Pro Battery Replacement, Apply a suction handle: step 6, image 2 of 2
      • Apply a suction handle to the bottom edge of the screen, as close to the edge as possible.

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    4. iPhone 18 Pro Battery Replacement, Screen damage warning: step 7, image 1 of 3 iPhone 18 Pro Battery Replacement, Screen damage warning: step 7, image 2 of 3 iPhone 18 Pro Battery Replacement, Screen damage warning: step 7, image 3 of 3
      • To avoid damaging your screen in the next step, note the following:

      • There's a plastic bezel on the underside of the screen. Your opening pick will go underneath this bezel.

      • There's a seam between the plastic bezel and the display panel. Don't insert your pick here or you'll damage the screen.

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    5. iPhone 18 Pro Battery Replacement, Insert an opening pick: step 8, image 1 of 3 iPhone 18 Pro Battery Replacement, Insert an opening pick: step 8, image 2 of 3 iPhone 18 Pro Battery Replacement, Insert an opening pick: step 8, image 3 of 3
      • Pull up on the suction handle with strong, steady force until a gap forms between the screen and frame.

      • The iPhone cools off very quickly. If you're having trouble, reheat the screen and try again.

      • Insert the tip of an opening pick in the gap you just created.

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    6. iPhone 18 Pro Battery Replacement, Screen information: step 9, image 1 of 3 iPhone 18 Pro Battery Replacement, Screen information: step 9, image 2 of 3 iPhone 18 Pro Battery Replacement, Screen information: step 9, image 3 of 3
      • Don't insert your pick more than 3 mm under the screen to avoid damaging the following components:

      • The screen and ambient light sensor cables, located near the volume buttons.

      • Delicate spring contacts around the perimeter of the phone.

      • The underside of the screen has thin, metal clips that go into corresponding slots on the frame.

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    7. iPhone 18 Pro Battery Replacement, Separate the bottom edge adhesive: step 10, image 1 of 3 iPhone 18 Pro Battery Replacement, Separate the bottom edge adhesive: step 10, image 2 of 3 iPhone 18 Pro Battery Replacement, Separate the bottom edge adhesive: step 10, image 3 of 3
      • Slide the opening pick along the bottom edge to separate the adhesive.

      • Leave the pick inserted under the bottom right corner to prevent the adhesive from re‑sealing.

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    8. iPhone 18 Pro Battery Replacement, Heat the right edge: step 11, image 1 of 2 iPhone 18 Pro Battery Replacement, Heat the right edge: step 11, image 2 of 2
      • Use a hair dryer or heat gun to heat the right edge of the screen until it's slightly too hot to touch.

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    9. iPhone 18 Pro Battery Replacement, Separate the right edge adhesive: step 12, image 1 of 2 iPhone 18 Pro Battery Replacement, Separate the right edge adhesive: step 12, image 2 of 2
      • Insert a second opening pick under the bottom right corner of the screen.

      • Slide the pick up the right edge, stopping just before the antenna line, to separate the adhesive and release the two clips.

      • Leave the pick inserted under the top right corner to prevent the adhesive from re‑sealing.

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    10. iPhone 18 Pro Battery Replacement, Heat the left edge: step 13, image 1 of 2 iPhone 18 Pro Battery Replacement, Heat the left edge: step 13, image 2 of 2
      • Use a hair dryer or heat gun to heat the left edge of the screen until it's slightly too hot to touch.

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    11. iPhone 18 Pro Battery Replacement, Separate the left edge adhesive: step 14, image 1 of 3 iPhone 18 Pro Battery Replacement, Separate the left edge adhesive: step 14, image 2 of 3 iPhone 18 Pro Battery Replacement, Separate the left edge adhesive: step 14, image 3 of 3
      • Insert a third opening pick near the bottom left corner of the screen.

      • Slide the pick up around the bottom left corner, then up the left edge to separate the adhesive and release the clip, stopping just before the antenna line.

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    12. iPhone 18 Pro Battery Replacement, Heat the top edge: step 15, image 1 of 2 iPhone 18 Pro Battery Replacement, Heat the top edge: step 15, image 2 of 2
      • Use a hair dryer or heat gun to heat the top edge of the screen until it's slightly too hot to touch.

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    13. iPhone 18 Pro Battery Replacement, Separate the top edge adhesive: step 16, image 1 of 3 iPhone 18 Pro Battery Replacement, Separate the top edge adhesive: step 16, image 2 of 3 iPhone 18 Pro Battery Replacement, Separate the top edge adhesive: step 16, image 3 of 3
      • Gently pull the screen downwards, and slide the pick on the right edge around the top right corner of the screen.

      • Slide the broad side of the opening pick along the top to slice the adhesive while gently pulling the screen down.

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    14. iPhone 18 Pro Battery Replacement, Prop up the screen: step 17, image 1 of 3 iPhone 18 Pro Battery Replacement, Prop up the screen: step 17, image 2 of 3 iPhone 18 Pro Battery Replacement, Prop up the screen: step 17, image 3 of 3
      • At this point, the screen should be released from the phone frame. If it feels stuck, go back around the perimeter and separate any remaining adhesive or clips.

      • Lift the screen straight up and swing it over the left edge of the phone, propping it up against a sturdy box or stack of books so the cables aren't strained.

      • Alternatively, you can lay the screen down flat over the left side. Be careful not to strain the delicate flex cables.

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    15. iPhone 18 Pro Battery Replacement, Remove the cover screws: step 18, image 1 of 1
      Tool used on this step:
      FixMat
      $36.95
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      • Throughout this repair, keep track of each screw and make sure it goes back exactly where it came from.

      • Use a JIS 00 screwdriver to remove the two 1.2 mm‑long screws securing the battery and screen cable covers (one for each cover).

      • Small iFixit Phillips bits are designed to work with JIS screws. You can try Phillips screwdrivers from other manufacturers, but you risk stripping the screw.

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    16. iPhone 18 Pro Battery Replacement, Remove the covers: step 19, image 1 of 3 iPhone 18 Pro Battery Replacement, Remove the covers: step 19, image 2 of 3 iPhone 18 Pro Battery Replacement, Remove the covers: step 19, image 3 of 3
      • Remove the two covers.

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    17. iPhone 18 Pro Battery Replacement, Disconnect the battery: step 20, image 1 of 2 iPhone 18 Pro Battery Replacement, Disconnect the battery: step 20, image 2 of 2
      • Use the point of a spudger to pry up and disconnect the battery press connector.

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    18. iPhone 18 Pro Battery Replacement, Disconnect the screen: step 21, image 1 of 3 iPhone 18 Pro Battery Replacement, Disconnect the screen: step 21, image 2 of 3 iPhone 18 Pro Battery Replacement, Disconnect the screen: step 21, image 3 of 3
      • Use the point of a spudger or tip of an opening pick to pry up and disconnect the screen and front sensors press connectors.

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    19. iPhone 18 Pro Battery Replacement, Remove the screen: step 22, image 1 of 1
      • Remove the screen.

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    1. iPhone 18 Pro Battery Replacement, Remove the battery tray screws: step 23, image 1 of 2 iPhone 18 Pro Battery Replacement, Remove the battery tray screws: step 23, image 2 of 2
      • Use a Torx Plus 4IP screwdriver to remove thirteen screws securing the battery tray:

      • One 5.7 mm‑long screw

      • Two 3.5 mm‑long screws

      • Ten 3.7 mm‑long screws

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    2. iPhone 18 Pro Battery Replacement, Remove the battery: step 24, image 1 of 3 iPhone 18 Pro Battery Replacement, Remove the battery: step 24, image 2 of 3 iPhone 18 Pro Battery Replacement, Remove the battery: step 24, image 3 of 3
      • Use your finger to lift the top right corner of the battery tray and remove it.

      • Be careful not to smudge the front camera.

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Conclusion

Run Apple's Repair Assistant if you've installed an Apple branded battery. Navigate to Settings → General → About → Parts & Service History, tap Restart & Finish Repair, and follow the onscreen prompts.

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.

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Nick Schultz

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