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Introduction |
| Use this guide to replace the battery in your iPhone 16. | | | 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. | | | This iPhone and the iPhone 16 Plus use a battery adhesive that requires an electrical charge to loosen it. [link|https://support.apple.com/en-us/120642|Apple's repair manual|new_window=true] recommends connecting a 9V battery for 90 seconds, but you can use a power supply or a power bank at a 5–20V output instead—the time required to loosen the adhesive will vary. | | | The guide below recreates Apple's method of using a 9V battery. If you're using a different method, follow the guide normally and supplement your power source's operating procedures during the necessary steps. | | | After your repair, 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 device, follow these instructions in reverse order.*** | | | After your repair, authenticate a genuine replacement battery [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]] after completing this guide. | | | Take your e-waste to an [[E-Waste|R2 or e-Stewards certified recycler]]. | | | 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|iPhone 16 Answers Community] for help. |
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