iPhone 6S Plus Touch ID not working after LCD replacement.

Hey everybody.

I can't really find something about this problem for the iPhone 6s/6s Plus.

Recently I replaced my iPhone 6s Plus screen with a digitizer from another iCloud locked phone which I bought. I also replaced the right home button of course but the thing is that the home button and the Touch ID is not working.

When connecting the old digitizer back everything everything is working again.

I've read that the ribbon cable in the screen can break easily. But I can't find anything to replace it.

Is it replaceable or not?

Yours,

Jeroen