Installation Tips:
This is not an easy job for someone who has no experience at all. If you are unfamiliar on fitting the replacement screen, please search some video on Youtube, that will be helpful more than text instructions.
[Touch ID Function]
If you need to continue to use the fingerprint, you need to disassemble the old home button. If your Touch ID is not damaged, you can continue using Touch ID.
[Test]
Check whether the wiring is in good condition. If the cable is damaged, it will cause abnormal touch.