I am guessing I can beat it with a good pen. As you say it has to be tolerant. If you have a little grunge on your finger, or a cut, or get a tan or there is gr

I am guessing I can beat it with a good pen. As you say it has to be tolerant. If you have a little grunge on your finger, or a cut, or get a tan or there is grunge on the sensor it still has to work. Also, there are a lot fewer fingerprints than the world has been lead to believe. Especially since we each have 10 to try, since the phone only checks 1.