Touch ID
Please will my Touch ID work after replacing my home button?
iPhone 7 Plus, iOS 14
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Hello,
Yes it should still work if you have the repair done at an authorized repair center:
Then see:
If Touch ID isn't working on your iPhone or iPad - Apple Support
In the meantime, consider a virtual Home button:
How to Enable a Virtual Home Button on iPhone or iPad with AssistiveTouch
Good luck.