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Touch ID being Erratic

Wife and I got iPhone 5s units at the same time. She has had hit and miss success with touch ID. I am golden with mine, and also hers when I put a finger into her phone data. She is frustrated, and will delete fingerprints and resestablish on her phone. Her finger scan will work for a few times, and then it gets to be like it doesn't recognize her finger (left thumb or right thumb). Is anybody else having some issues like this?

iPhone 5s, iOS 7.0.2

Posted on Oct 1, 2013 8:43 PM

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1,114 replies

Nov 9, 2013 6:41 AM in response to smilleresq

smilleresq wrote:


With one addition to the steps to this procedure, when you get to the touch id screen, select edit and then follow the rest of the instructions. It does seem to help the phone learn your fingerprints, at least for me it seems better right now.

Why should selecting "edit" make a difference? That's for renaming and deleting registrations.

Nov 9, 2013 10:08 AM in response to paulfromhere

paulfromhere wrote:


I'll let you know when my new phones drop below 100%, so you'll have to stay tuned for that.


Blah, it didn't take long. On both new phones I've dropped to zero success .. I'm starting to belieive that this is my body's daily ryhythm and I can't change it. Rather than delete and remake the fingers, I think I'll stick with these and see if they start working again at certain times each day .. If so, then that makes me think the apple store is right.

Nov 9, 2013 11:28 AM in response to smilleresq

I'm with you! I was fairly confident yesterday after having extensively trained the TouchID system, but this morning, after taking a shower, I'm seeing a success rate below 50% on three different fingers.


What fascinates me is how divergent the experiences of different users are. Is the technology not mature (but sure it is -- fingerprint ID has been around for quite some time), or is the particular sensor used extremely sensitive to different types of skin?

Nov 9, 2013 5:49 PM in response to odysseus

odysseus wrote:


I'm with you! I was fairly confident yesterday after having extensively trained the TouchID system, but this morning, after taking a shower, I'm seeing a success rate below 50% on three different fingers.



I wonder if we could make different enrollments for different conditions during the day. In my case, I think I had 100% success from about 9:30pm until around 9:30am, and then it quickly fell to zero. I'm going to see if keeping the 9:30pm enrollment and adding one, or more, whenever it fails can allow me to get through the day with better success. Has anyone tried that yet? I think I will as my next effort.


What fascinates me is how divergent the experiences of different users are. Is the technology not mature (but sure it is -- fingerprint ID has been around for quite some time), or is the particular sensor used extremely sensitive to different types of skin?


I notice a thread on macrumors that said that they tried to use finger print scanning for their security passes and found out that about 10% of the people can't get it to work. So maybe we're that 10% of the iphone 5s users.

Nov 9, 2013 5:56 PM in response to smilleresq


smilleresq wrote:


My success rate is down to about 10% with my right thumb (and my right thumb works more so then my left, which is about 0-1%).



I've just been working with my left thumb and a genius visit said I should try other fingers. It sounds like you already have and it's no better. Here's another reason that I'm going to try creating prints of the same finger every time it stops working. Maybe I'll be able to get a conbination of 5 that will get me through 24 hours with "good enough" success. Have you tried anything like that yet?

Nov 9, 2013 7:18 PM in response to Joe_Fo

Just got off line with applecare. They have to call me back tomorow when sr advisor can talk to me. Too late tonite i guess. They wanted me to go to local applestore, I said im not spending my time and $ to travel an hour and pay for parking for your mistake. The guy understood and said he would have sr advisor call me at around 330pm est tommorow. I will re upate after then. If anyone has any help please let me know.

Nov 9, 2013 11:51 PM in response to Dreanmachine1

Train your most used finger(s) twice or more for a single fingerprint slot. This will significantly increase the chance that at least one of those fingerprint profiles will be recognized.


I have trained two slots for my right thumb, and two slots for my left thumb. After training, then labeling the slots, test to see which of trained slots recognizes the finger. A 50-50 split is optimal. If one slot is overwhelmingly the one that recognies the finger, then delete and retrain the other slot for that finger.


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Touch ID being Erratic

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