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Added my index and middle finger today. Still working flawless...luving this touch ID, makes things so much easier and faster
My Touch ID don't work anymore... And unfortunately, my iPhone is not guaranteed
All I can say is that I am glad that I didn't buy the 5s just because of the Touch-ID feature! If I had I would have been bitterly disappointed.
I can set it up OK to three of my fingers, I test it and it works fine pretty much every time, I wouldn't expect it to be 100%. The next day, it has become extremely unreliable and frustrating. Nearly every time it fails, no matter which of the selected fingers I use. I have deleted the saved finger prints and set them up time and time again. Still the same.
It could be because the weather is cold here and my skin is dry, but as they were the same when I trained the sensor, I would still expect it to work better than it does.