I’ve just completed this guide successfully using replacement parts I’ve ordered with ifixit in Europe. To my own surprise, everything is working: both cameras, home button, fingerprint scanner and id. Just great. I didn’t have the iSclack tool so I just used the suction cup. Also, I had to use a hair dryer instead of the iOpener tool, and it worked great even with the home button cable, just go gentle and give the heat some time to soften up the adhesive. Thanks for the great guide.