Thought i'd start a thread on sharing tips for how to improve the reliability of Touch ID on the 5s. I find performance to be overall pretty good when lazily sitting around, but find that it tends to sometimes have the habit of failing in fast-pace, real-world use, particularly when i'm out and about and need quick access to my phone. I've re-setup my prints a number of times, moving my thumb slightly in the first series of scans, then trying all sorts of angles that I think I might do in real-world use in the second series. Given that Touch ID is supposed to learn your print better over time, I really thought that the success rate will slowly improve, but after a week of solid use, the fail rate is a little to high for me to rely upon it, and doesn't seem to be improving. First off the bat, has anyone found success with registering multiple entries with the same thumb? I've heard arguments for and against this, as I read somewhere that it shouldn't be done because it will supposedly mess with the learning algorithms and fragment the information over many entries, potentially making it harder to register successfully. I haven't tried it myself yet, but wondering how others have improved reliability.