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Slowly Deteriorating Touch ID
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
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For me, it had become worse than useless. I forgot who suggested wiping the stored prints and reentering them, but that worked like a charm.
My guess is the "recognition improvement" algorithm gets overloaded with data at some point and gets some form of paralysis.
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Administrator
Join Date: Apr 2001
Location: San Antonio TX USA
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I was going to suggest physically cleaning the sensor on a regular basis, but that might actually worsen the "improvement algorithm overload" problem.
I assume this is a problem common with the iPhone 5s. Which leads me to believe that "maybe Apple should tweak the code" (or otherwise take action) to shift from "improving" the sensor's performance to "optimizing" the sensor's identification of a single user.
Whatever; I'm glad you got the issue sorted, but I think it's bad that you have to essentially do regular software maintenance on your iTouch. That's counter to Apple principles.
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Glenn -----OTR/L, MOT, Tx
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
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Very much so, but also totally in character with the OS this time around.
If the rumors of the bigger iPhones pan out, it makes more sense why Apple bit off such a huge bite with iOS 7. They're laying the groundwork for resolution independence.
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Clinically Insane
Join Date: Nov 1999
Location: 888500128, C3, 2nd soft.
Status:
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I've found that briefly wiping the sensor and/or my fingertip will work every time.
It doesn't seem to like moisture, for one.
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
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It consistently has trouble immediately after I wash my hands.
There's evidence this is a different situation though. There was a short phase before I reset where the right thumb was working about one time in 10. After three or four failures, rather than put in my passcode (because that is for animals), I'd go left thumb and it would work. Until this point, I almost never used the left thumb. Maybe one time in 1,000.
So, the clues are:
1) Never used print works fine
2) Always used print is useless
3) TouchID adds to its fingerprint database as you use it
Probable solution: Colonel Cook, in the iOS team leader's office, with a milestone.
(
Last edited by subego; Jan 25, 2014 at 05:41 PM.
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Clinically Insane
Join Date: Jun 2001
Location: planning a comeback !
Status:
Offline
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Yes, it's gotten useless for me as well. I have already wiped my prints and redid them. It still performs worse than in the beginning.
My latest attempt is to train the same finger TWICE. It's been going better so far.
I'm pretty sure something is wrong with iOS 7. It just shouldn't get worse over time.
-t
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Moderator
Join Date: Jan 2001
Location: Polwaristan
Status:
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When winter hit I noticed the reads got very inconsistent. Rather than trying to retrain it, I just registered my fingers as if they were additional fingers--keeping the originals, setting up another couple in finger slots 3-4.
Perfect ever since.
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
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There was winter overlap too. I wondered how much this got tested outside Israel and Cali.
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
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Now it's getting sucktastic again. There goes that theory.
Winter theory still goes disproven, though.
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Moderator
Join Date: Jan 2001
Location: Polwaristan
Status:
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Don't retrain, enter as new prints.
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Clinically Insane
Join Date: Jun 2001
Location: planning a comeback !
Status:
Offline
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I entered my thumb 3 times as new prints in the last 4 weeks. What gives...
-t
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Clinically Insane
Join Date: Nov 1999
Location: 888500128, C3, 2nd soft.
Status:
Offline
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It's a little spotty, here. It can't be training, because it's instantaneous most of the time, and then, sometimes, it just won't take. An hour later — perfect recognition of all fingers.
Overall still very happy with this - yet.
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
Offline
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It seems to have cycles for me too. It'll work fine, then not.
I'm not unhappy, per se, but it went from "holy shit feature" to "v1.0".
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Mac Elite
Join Date: Aug 2001
Location: Maitland, FL
Status:
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I can only post my own experience, but its been working flawlessly for me for over two months now. I occasionally get a "try again," but that's when I'm holding my finger at a very odd angle.
I've seen elsewhere where someone suggested you wash your hands and set your preferred fingers (maybe 2 fingers) ... then get your hands a bit dirty (normal oil/sweat I mean) and set them again as three and four. I haven't needed to do it (I have a woman's hands, m'lord, and rarely get them anything more than greasy), but maybe that would help some of you other guys who are having the issue.
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Charles Martin
MacNN Editor
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Professional Poster
Join Date: Mar 2001
Location: Gosport
Status:
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Originally Posted by subego
It consistently has trouble immediately after I wash my hands.
There's evidence this is a different situation though. There was a short phase before I reset where the right thumb was working about one time in 10. After three or four failures, rather than put in my passcode (because that is for animals), I'd go left thumb and it would work. Until this point, I almost never used the left thumb. Maybe one time in 1,000.
So, the clues are:
1) Never used print works fine
2) Always used print is useless
3) TouchID adds to its fingerprint database as you use it
This is precisely my experience too.
I reenter my most used digit about once a month.
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Chris. T.
"... in 6 months if WMD are found, I hope all clear-thinking people who opposed the war will say "You're right, we were wrong -- good job". Similarly, if after 6 months no WMD are found, people who supported the war should say the same thing -- and move to impeach Mr. Bush." - moki, 04/16/03
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Professional Poster
Join Date: May 2000
Location: Urbandale, IA
Status:
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I just wish you could set a brief period where you didn't have to re-unlock your phone, like you can with a more typical passcode. Sometimes I lock my 5S only to find out 10 seconds later that there was something else I needed to do. With all the Touch ID issues I have, it would be the bee's knees to not have to go through all the hassle of unlocking my phone if I literally *just* locked it.
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"Yields a falsehood when preceded by its quotation" yields a falsehood when preceded by its quotation.
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Junior Member
Join Date: Dec 2005
Status:
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It works for me about a day. Even if I train multiple fingers. Then it doesn't.
Touch ID, for me anyway, is useless.
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
Offline
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Originally Posted by chas_m
I can only post my own experience, but its been working flawlessly for me for over two months now. I occasionally get a "try again," but that's when I'm holding my finger at a very odd angle.
I've seen elsewhere where someone suggested you wash your hands and set your preferred fingers (maybe 2 fingers) ... then get your hands a bit dirty (normal oil/sweat I mean) and set them again as three and four. I haven't needed to do it (I have a woman's hands, m'lord, and rarely get them anything more than greasy), but maybe that would help some of you other guys who are having the issue.
Florida?
This lends credence to the theory this wasn't tested in places with actual weather.
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Fresh-Faced Recruit
Join Date: Oct 2006
Location: Omaha, Nebraska
Status:
Offline
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Clinically Insane
Join Date: Jun 2001
Location: planning a comeback !
Status:
Offline
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I'm not sure that this is a solution.
I actually overtrained my thumb that way back in October.
Nonetheless, in Jan, TouchID became so bad that I deleted all prints and started over.
So, there are factors beyond overtraining that kill effective recognition.
-t
(
Last edited by turtle777; Feb 1, 2014 at 08:42 PM.
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Fresh-Faced Recruit
Join Date: Nov 2009
Status:
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My first imprint started to 'fade' (metaphorically) and became unusable after about a week.
Tried again, cleared everything. Second imprint also faded after about a week.
Third imprint, for some reason is going strong for a month now at least. No noticeable fade.
Maybe the quality of imprint matters and it's a random outcome of the imprinting process algorithm. Who knows what affects it? --The condition of your finger at the time, the position of the various fingerprint snapshots taken during imprinting, the ambient temperature and humidity.
My best advice is keep trying until you get an imprint that takes.
Sorry for my made up terminology.
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
Offline
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What's even more obnoxious is every now and again the sensor refuses to acknowledge my fingers are even fingers.
No "try again". Nothing.
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Fresh-Faced Recruit
Join Date: Apr 2005
Status:
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Originally Posted by jpdalamar
Yeah, it sure did. My right middle finger gradually erodes, and I've retrained it a couple of times over the past few months. I just tried this technique and now my rt middle gets a hit every single time. (It was a challenge to get even the first hit when I started this, but gradually it got better & better.)
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
Offline
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Because Leo's a dick, I stopped watching Security Now. Can someone provide a summary?
I have the feeling I did this soon after getting my iPhone. With two slots on my main print (right thumb). It still ended up dying. The first indications were in November, when the weather started getting cold.
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Clinically Insane
Join Date: Nov 1999
Location: 888500128, C3, 2nd soft.
Status:
Offline
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
Offline
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Unwatchable compared to other shows about computer security?
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Clinically Insane
Join Date: Nov 1999
Location: 888500128, C3, 2nd soft.
Status:
Offline
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Six minutes of barely relevant (if that) meandering from a guy who just isn't a good speaker for twenty seconds of content?
How does that compare? I don't watch shows about computer security, but if the subject were relevant to me, I would probably be pressed for time and just as annoyed to have it wasted.
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
Offline
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If you're in a hurry, then computer security isn't for you. The shit's complicated.
Seriously, this is both the bane and boon of "new media". The normal paradigm is a show about computer security isn't done by the best computer security guy, it's by a TV guy who knows something about security.
Steve isn't a TV guy, but he knows his security. If the goods are important to you, he's got them.
Without seeing it, my guess as to the problem is Steve often thinks he's figured out some big mystery. For weeks he pimped he had found the secret to good health. It was a low-carb diet. We'd all kinda heard of that. He's a body-hacker, so he had interesting tidbits to add, but I felt like "I wasted an hour for this?" at the end.
OTOH, he invented (or if he wasn't the first, the only to public domain it) the SQRL system, which should eliminate user IDs and passwords for websites. This will not only make logging in much easier, and stop normies from using "12345" as passwords, it eliminates the website needing to store the password. The site gets hacked, there are no passwords to steal.
This is slick enough you don't care if the guy meanders.
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
Offline
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I wonder how it'd do if it needed to read this side of my thumb.
OMFG! People will totally steal my print now!
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Dedicated MacNNer
Join Date: Oct 2007
Status:
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Originally Posted by ghporter
Whatever; I'm glad you got the issue sorted, but I think it's bad that you have to essentially do regular software maintenance on your iTouch. That's counter to Apple principles.
Apple neither makes a product nor a feature that Apple calls "iTouch."
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Clinically Insane
Join Date: Jun 2001
Location: planning a comeback !
Status:
Offline
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Originally Posted by DCJ001
Apple neither makes a product nor a feature that Apple calls "iTouch."
I always cringe when people refer to their iPod Touch as iTouch.
-t
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Administrator
Join Date: Apr 2001
Location: San Antonio TX USA
Status:
Offline
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Originally Posted by DCJ001
Apple neither makes a product nor a feature that Apple calls "iTouch."
I know that. I'm trying to figure out why I typed that, since the OP didn't mention that he was dealing with an iPod Touch (and I think he's talking about an iPhone 5s). In any case, I appreciate your tact in pointing out my error.
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Glenn -----OTR/L, MOT, Tx
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
Offline
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We're talking about TouchID. I'm guessing that's where it came from.
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Administrator
Join Date: Apr 2001
Location: San Antonio TX USA
Status:
Offline
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Most likely. And noting the time I posted it, I was likely in a rush.
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Glenn -----OTR/L, MOT, Tx
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
Offline
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I'm so used to it ****ing up now, it will work, I'll have an unlocked phone, but I'll keep tapping the home key going "unlock, dammit!"
Contrast that with my initial few months, where it worked so well I stopped seeing the lock screen. My thumb had unlocked it as I was getting it out of my pocket.
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Moderator
Join Date: Jan 2001
Location: Polwaristan
Status:
Offline
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AI posted a few days ago that an iOS update is in the works to fix touchid deterioration. It stinks our fixes haven't held up for yours.
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
Offline
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
Offline
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My brief experience with 7.1 is it's working again, but it's slower.
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Addicted to MacNN
Join Date: Sep 2000
Location: Isle of Manhattan
Status:
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Originally Posted by subego
My brief experience with 7.1 is it's working again, but it's slower.
Touch ID stopped working for me - I had to redo my thumb 2-3 times a week. After the recent update it's been great.
May I suggest you do a rescan of your thumb - use two touch ID slots so you have two for the one thumb, my thumb is pretty chewed up/rough too but not as bad (damn what do you do with that thing?)
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"Faster, faster! 'Till the thrill of speed overcomes the fear of death." - HST
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
Offline
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After more extensive use, I'd say it's close to its former glory. Moisture still throws it, but I'm returning to the point where I rarely see the lock screen.
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Clinically Insane
Join Date: Jun 2001
Location: planning a comeback !
Status:
Offline
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I still see it in about 1 out of 10 attempts.
Completely deleted the old prints and started from scratch.
It's much better than before the update, but nowhere near as good as in the beginning.
Moisture (even a little bit) makes it miss way too much.
-t
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
Offline
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I'm definitely having better luck. Not counting moisture, which is mostly after I wash my hands, I'm having failures in the 1 in 50 to 1 in 100 range.
1 in 100+ was my failure rate out of the box.
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