How to make function replaced home button

[marcopa]

Only the original fabric button function with the finger print in IPhone 6?

 

[Tartarus]

Replacing the home button is best left to certified repair services or Apple Genius Bar.
I don't know if there are some after market buttons out there that can successfully function in Finger Print enabled iDevices.

 

[Just_Me_D]

"Please note that only the phone's original home button assembly will be capable of using the Touch ID functionality. Installing a new home button will only restore ordinary home button functions, not the Touch ID features."

Source: https://www.ifixit.com/Guide/iPhone+6+Home+Button+Replacement/31935