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Changes to iPhone 8 Home/Touch ID Sensor Replacement Introduction

Edit by Jeff Suovanen

Edit approved by Jeff Suovanen

Before
After
Unchanged
Introduction
Prerequisite only.
The iPhone 8’s home “button” is actually a solid-state sensor, which also includes Touch ID (fingerprint recognition) capability.
Only Apple can do a home button swap. If you replace yours using 3rd-party parts, it deactivates the button and turns on assistive touch. Therefore this procedure is only useful as part of a display assembly replacement, where the home/Touch ID sensor must be transferred from the old display to the new one.
'''Most replacement home buttons won’t work''', so check carefully before starting your repair. Your iPhone’s original home button is uniquely paired to the logic board at the factory—and without Apple’s proprietary calibration process, even a genuine replacement home button from another iPhone won’t work. To fix a broken home button, you should install a specially-made, universal-style home button. Note that these replacements only work as a button; Touch ID will not function.
Follow the steps inIf you are only replacing a broken screen, you can use this guide to carefully remove orand transfer theyour working original home/Touch ID sensor assembly button to a new screen, preserving all functions, including the gasket and cableTouch ID.

During this procedure
, in your iPhone 8. Toto avoid accidentally straining or tearing the display cables, it's best to completely detach the display assembly before beginning repairs on the home/Touch ID sensor. But if you are comfortable doing so, you may skip the display assembly section of this guide and go straight to the home/Touch ID sensor section.
Conclusion
To reassemble your device, follow these instructions in reverse order.
Compare 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 the above steps in reverse 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 [https://www.ifixit.com/Wiki/Troubleshooting_Problems_After_a_Repair|basic troubleshooting], or search our [https://www.ifixit.com/Answers/Device/iPhone%208|Answers forum] for help.
Summary
Prerequisite-only guide to remove/Remove, transfer, or replace the home button in an iPhone 8.

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  • Prerequisite Only removed.