My fingerprint scanner doesn't seem to work right/well. At least half of the time I end up needing to put in my password, if not more. And probably 3/4 of the time that I don't need my password I have to try multiple times before it works. I'm making sure I'm using the right "part" of my finger and staying consistent, but I'm still having issues. I had figured this was common so I was somewhat shocked when I googled and didn't find much at all... And my cousins fingerprint scanner is much more reliable. I set up both thumbs and both index fingers and I have this problem with all of them. I have been deleted them and re-entered them and it hasn't helped much. It seems to help for a bit and then it goes back to not working. Is this common? Would it be a hardware or software issue? Should I see if I can get a new phone or is there something I can do about it before I go that route?