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Introduction |
| Use this guide to replace the battery in your iPhone 15 Plus. | | | iPhone batteries are rated to hold 80% of their capacity for up to 500 charge cycles, or roughly 18–24 months. If your iPhone needs to be charged more often or runs slower, it might be time to replace the battery. | | | You'll need replacement battery and back glass adhesive to complete this repair. | | | If your battery is swollen, [[What to do with a swollen battery|take appropriate precautions|new_window=true]]. | | ***Note:*** Due to [link|https://www.ifixit.com/News/82867/iphone-15-teardown-reveals-software-lockdown|Apple's parts pairing restrictions|new_window=true], on iOS 17.6 and earlier, you may receive warnings about your replacement part and lose access to battery health data.*** Your, but your new battery will otherwise work normally. On iOS 18 and newer, calibrate authentic Apple batteries using [link|https://support.apple.com/en-us/120579|Repair Assistant|new_window=true]. |
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Conclusion |
| ***To reassemble your phone, follow these instructions in reverse order.*** | | | After your repair, depending on the replacement part, you may be able to [link|https://support.apple.com/en-us/120579|calibrate it using Apple's Repair Assistant|new_window=true], 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, [[Battery Calibration|calibrate your newly installed battery|new_window=true]] after completing this guide. | | | Take your e-waste to an [[E-Waste|R2 or e-Stewards certified recycler|new_window=true]]. | | | Repair didn’t go as planned? Try some [[Troubleshooting Problems After a Repair|basic troubleshooting]], or ask our [link|https://www.ifixit.com/Answers/Device/iPhone%2015%20Plus|Answers community] for help. |
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