Exactly, if you want to use Touch ID you have to use the original Home Button

https://www.youtube.com/watch?v=3xGeLDMS...

I recommend you to put some tape on the screen, so the suction cup can lift the display up

You can go here: https://iforgot.apple.com/password/verif... and reset you password

Yes, you have to download iTunes. You can download it from itunes.com

When you turn you iPhone on, there is a hidden email with big black dots in it, you have to reset your password for this email, otherwise you can throm you iPhone away

You have to put it in the DFU Mode and not in to the restore mode

Is your phone still working? For your next repair, never forget to detach the battery connector!

Hy,

if you boot your iPhone in DFU mode and proceed a restore, all data will be removed and it will look like a new iPhone.

Hello,

I'm sorry but if your device is locked with an Apple ID, this guide will not help you. Only you can do is to login with the Apple-ID which is linked to your iPhone.