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Introduction |
| This guide shows how to remove and replace the battery in your iPhone 16 Pro Max. | | | 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. | | | If your battery is swollen, [[What to do with a swollen battery|take appropriate precautions|new_window=true]]. | | | You'll need replacement battery and back glass adhesive to complete this repair. | | | As of iOS 18.1, battery health works with both genuine and aftermarket replacement batteries. | | After your repair, calibrate authentic Apple batteries usingrun [link|https://support.apple.com/en-us/120579|Repair Assistant|new_window=true] to reset the battery metrics. |
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Conclusion |
***To reassemble your deviceiPhone, follow these instructions in reverse order.*** | | After your repair, calibrate a genuine replacement batteryrun [link|https://support.apple.com/en-us/120579|using Apple's Repair Assistant|new_window=true]. Navigate to Settings ***→*** General ***→*** About ***→*** Parts & Service History, tap Restart & Finish Repair, and follow the onscreen prompts. | | | [[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_16_Pro_Max|Answers community] for help. |
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