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Changes to iPhone 11 Pro Max Battery Replacement Introduction

Edit by Jeff Suovanen

Edit approved by Jeff Suovanen

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Introduction
[video|https://www.youtube.com/watch?v=OmxzxXzNXBY]iPhone batteries are rated to hold 80% of their capacity for up to 500 charge cycles, which lasts roughly 18-24 months for most users. After that, your iPhone may need to be charged far more frequently, and iOS may warn you that performance is affected (in other words, your phone will run slower). Use this guide to replace your battery and restore your iPhone to like-new performance. [ … ] Use this video guideIf your battery is swollen, [[What to revivedo with a swollen battery|take appropriate precautions|new_window=true]]. [ … ] '''Note''': After the repair, your iPhone 11 Pro Max battery life and performance withmay [https://www.ifixit.com/News/32343/apple-is-locking-batteries-to-iphones-now|display a newwarning] about the “genuineness” of the battery, even when using original Apple parts. If your iPhone functions normally, you can safely ignore the warning. [ … ] For optimal performance, after completing this guide, [[Battery Calibration|calibrate]] your newly installed battery: Charge it to 100% and keep charging it for at least two more hours. Then use your iPhone until it shuts off due to low battery. Finally, charge it uninterrupted to 100%.
[video|https://www.youtube.com/watch?v=OmxzxXzNXBY]iPhone batteries are rated to hold 80% of their capacity for up to 500 charge cycles, which lasts roughly 18-24 months for most users. After that, your iPhone may need to be charged far more frequently, and iOS may warn you that performance is affected (in other words, your phone will run slower). Use this guide to replace your battery and restore your iPhone to like-new performance. [ … ] Use this video guideIf your battery is swollen, [[What to revivedo with a swollen battery|take appropriate precautions|new_window=true]]. [ … ] '''Note''': After the repair, your iPhone 11 Pro Max battery life and performance withmay [https://www.ifixit.com/News/32343/apple-is-locking-batteries-to-iphones-now|display a newwarning] about the “genuineness” of the battery, even when using original Apple parts. If your iPhone functions normally, you can safely ignore the warning. [ … ] For optimal performance, after completing this guide, [[Battery Calibration|calibrate]] your newly installed battery: Charge it to 100% and keep charging it for at least two more hours. Then use your iPhone until it shuts off due to low battery. Finally, charge it uninterrupted to 100%.
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Conclusion
ToCompare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing. [ … ] '''To reassemble your device, follow these instructionsthe above steps in reverse order.order.''' [ … ] 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 [https://www.ifixit.com/Answers/Device/iPhone%2011%20Pro%20Max|iPhone 11 Pro Max Answers community] for help.[br]
ToCompare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing. [ … ] '''To reassemble your device, follow these instructionsthe above steps in reverse order.order.''' [ … ] 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 [https://www.ifixit.com/Answers/Device/iPhone%2011%20Pro%20Max|iPhone 11 Pro Max Answers community] for help.[br]
Author
Summary
Use this guide to revive yourIf your iPhone 11 Pro Max runs slowly or needs to be recharged all the time, learn how to replace the battery life and performance with a new battery.using this guide.
Use this guide to revive yourIf your iPhone 11 Pro Max runs slowly or needs to be recharged all the time, learn how to replace the battery life and performance with a new battery.using this guide.

Guide Prerequisites

Tools

  • iOpener x1 added.
  • iSclack x1 Optional added.
  • Isopropyl Alcohol x1 added.
  • Phillips #000 Screwdriver x1 removed.

Parts

  • iPhone 11 Pro Max Display Assembly Adhesive x1 added.

Flags

  • Featured Guide added.
  • Member-Contributed Guide removed.

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