5s - print sensor too slow, can't always read
6 - speed is still too slow and it's reading better but still can't read with chocolate on fingers.
6s - reads to fast, it's opened phone and read finger before my slow brain can even realize it.
7 - they added an adjustment slider for how fast ID works but I can't decide where to place slider.
7s - they took the slider out and replaced with buttons, now I can't fine tune it anymore.
8. - Hey, what happened to the print ID button? Did I complain too much?
Apple institutes iPhone exchange program. Anyone with too many issues, please return iPhone via UPS to Cupertino CA. Your replacement 7000 series aluminum cans and 50 foot of high quality string will be shipped within 24 hours. Warning string must be held taught between cans to properly receive calls.
Waaahhh I want some cheese with my whine.