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iOS 7.1.1 brings zippier, more accurate Touch ID

Posted: , by Alan F.

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iOS 7.1.1 brings zippier, more accurate Touch ID
Notice a change in the speed and accuracy of Touch ID on the Apple iPhone 5s, after the update to iOS 7.1.1.? That is because Apple has allegedly changed the scanning process in the new iOS build, that recognizes the person who belongs to each fingerprint faster than before. With iOS 7.1.1, Touch ID takes multiple scans of your fingerprint in each position, instead of just a single scan. It then uses algorithms to predict problems with the scans that could take place in the future.

Originally, Touch ID was supposed to improve its accuracy every time you scanned a particular finger. But that was not true if your initial set-up was a bad one. If the first scan you took had problems, your scans would not gradually improve, unless you set-up your finger again from scratch.

With iOS 7.1.1, a poor set-up the first time you scan your finger, won't lead to constantly poor readings. In addition, the update improves accuracy using Touch ID. The update to iOS 7.1.1. also lowers the number of calculations required by the Apple iPhone 5s, before it unlocks the phone. Bottom line? A faster and more accurate fingerprint scanner on the device.

"Touch ID takes a 88x88 500ppi scan of your finger and temporarily sends that data to a secure cache located near the RAM, after the data is vectorized and forwarded to the secure enclave located on the top left of the A7 near the M7 processor it is immediately discarded after processing. The fingerprint scanner uses subdermal ridge flows (inner layer of skin) to prevent loss of accuracy if you were to have micro cuts or debris on your finger.

With iOS 7.1.1 Apple now takes multiple scans of each position you place finger at setup instead of a single one and uses algorithms to predict potential errors that could arise in the future. Touch ID was supposed to gradually improve accuracy with every scan but the problem was if you didn't scan well on setup it would ruin your experience until you re-setup your finger. iOS 7.1.1 not only removes that problem and increases accuracy but also greatly reduces the calculations your iPhone 5S had to make while unlocking the device which means you should get a much faster unlock time.-Apple iOS Security White Paper

And code found in iOS 7.1.1, reveals that Touch ID is coming to the Apple iPad Air 2 and/or the next iteration of the Apple iPad mini with Retina display. The faster and more accurate the fingerprint reader works, the less "gimmicky" and more use useful the feature appears to be.

source: DailyMobile

22 Comments
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posted on 30 Apr 2014, 17:10 4

1. papss (unregistered)


Maybe they can share this software update with SS for the finger scanner on the S5... I kid I kid

posted on 30 Apr 2014, 21:11 2

11. PapaSmurf (limited) (Posts: 8300; Member since: 14 May 2012)


My S5 unlocks in less than a second...dot.

posted on 01 May 2014, 01:25 1

17. Bootutu (Posts: 187; Member since: 11 Jul 2013)


So is mine, register prints at different angles is the key.

posted on 01 May 2014, 07:13 3

21. papss (unregistered)


Yes but you have to hold the phone a certain way to get it to work everytime.. I've seen countless videos and articles regarding this. The iPhone finger scanner is much easier to use from what I've seen.

posted on 30 Apr 2014, 17:17 3

2. Kishin (Posts: 607; Member since: 30 May 2013)


I know it's fast I just touch it and I m home screen in sec.

posted on 30 Apr 2014, 17:32 1

3. akki20892 (Posts: 3447; Member since: 04 Feb 2013)


0.00000000001 sec

posted on 30 Apr 2014, 17:37 2

4. TechFreak123 (Posts: 83; Member since: 25 Feb 2014)


Wait, isn't it supposed to "just work"?

posted on 30 Apr 2014, 18:53 7

6. Sauce (unregistered)


HA HA! No need to grab your phone with one hand and slide your other hands index finger straight and perfectly down center numerous times until it gets a match. Seems like SSomeone failed in this department.

No for real though, it's already incredibly fast without the update. My phone is already unlocked right as I'm taking it out of my pocket. Now with this update, it'll be even faster and better :D

So to your comment: OF COURSE it works :) A lot better than any other biometric unlocker out there atm =)

posted on 30 Apr 2014, 20:43 1

10. Arte-8800 (Posts: 4402; Member since: 13 Mar 2014)


It required an update to work properly! Samsung on its 2nd update will make this work just swiping it the first time.

posted on 30 Apr 2014, 21:31 2

12. Sauce (unregistered)


Been working properly for me and many many others since launch :)

I sure hope so. I really want them to perfect their biometrics like Apple has before I upgrade my Note to the next Note or GS6.

posted on 30 Apr 2014, 22:01 2

13. androiphone20 (Posts: 1442; Member since: 10 Jul 2013)


It has worked flawlessly for me too. Hey, my buddie says that sometimes when you unlock the S5 it won't work the second time, like it won't even ask for it. It just then shows the lockscreen

posted on 01 May 2014, 02:00 2

18. Bootutu (Posts: 187; Member since: 11 Jul 2013)


And who said you have to use two hands, just one hand and pretty much same speed and accuracy of the 5S, try it before commenting rubbish.

https://www.youtube.com/watch?v=PR_ZkjVAV3Y

https://www.youtube.com/watch?v=hL_5nQAAaQE

posted on 30 Apr 2014, 18:34 2

5. iphoneman37 (Posts: 17; Member since: 30 Jan 2014)


It is much faster than it was.

posted on 30 Apr 2014, 19:00 2

7. Sauce (unregistered)


Hopefully SS fixes their Fingercrap Scrap and puts a better iteration on the next Note, because I'm looking to upgrade my Note 2 when the next one comes out. The whole fingerprint thing isn't a gimmick at all. I'm loving it every day on my iPhone 5s. I can give you at least 15 things I can do using the fingerprint scanner on my 5s, besides unlocking my phone and purchasing apps on the App Store.

posted on 30 Apr 2014, 19:43

8. papss (unregistered)


You have my curiosity now... What types of things can you use with the finger scanner?

posted on 30 Apr 2014, 23:13 5

15. Sauce (unregistered)


Here ya go sir:

1) Deleting Apps, Downloading Apps, Locking & Unlocking Applications
2) SMS Send Confirmation (prevents friends from texting on my phone)
3) Specific Contact Lock (to prevent someone from calling your boss, etc)
4) Using Touch ID as an actual Touch Pad for gestures
5) Photo Deletion
6) Using Touch ID as a bridge for all your passwords (Gmail, Facebook, _ etc. Never type a password again)
7) Using Touch ID to specify which user is about to access an app (Myself, or my room mate, or guest)
8) Using Touch ID as a virtual home button (saves wear n' tear on the _ physical button.
9) File / text encryption & decryption
10) Access to certain settings in the Settings pane
11) Sending texts to certain contacts (drunk texting your mom isn't good lol. When "Drunk Mode" setting is enabled, Touch ID is disabled within SMS and Phone app. Sending texts/calls to certain contacts would require a fingerprint, which would be inaccessible
12) Unlocking Macbook using Touch ID
13) Using Touch ID to help you catch THIEVES >=|
-When Touch ID is entered incorrectly x amount of times, (or your numeric password), iPhone frontal camera takes a picture and location coordinates and sends them to your email

14) Using Touch ID for Safari Reader Mode (when touching the Touch ID, your page scrolls as you read.) -There are literally hundreds of commands you can do using Touch ID and Activator (Think Tasker for Android)

Turns out I came one short. BUT, if I include the basic features (unlocking phone and using Touch ID to purchase apps on App Store), that makes it 15 I guess hehe.

There are more than a handful of other tweaks coming in the near future implementing Touch ID to its full extent. Devs are constantly being innovative in ways that Touch ID can be used.

posted on 30 Apr 2014, 23:42 3

16. ihavenoname (Posts: 1383; Member since: 18 Aug 2013)


Impressive! Turns out that it's not a gimmick as many haters said.

posted on 01 May 2014, 02:14

20. StraightEdgeNexus (Posts: 3233; Member since: 14 Feb 2014)


Thanks Sauce, #2, 3, 4 and 6 are actually useful features. Those things earned my respect for iphone 5s.

posted on 01 May 2014, 07:15

22. papss (unregistered)


Interesting.. I never thought of doing those with the scanner.. Thanks for taking the time.

posted on 01 May 2014, 02:05 2

19. Bootutu (Posts: 187; Member since: 11 Jul 2013)


Try it before bashing it, it works flawlessly and as fast as the one on the 5S SMH!

https://www.youtube.com/watch?v=hL_5nQAAaQE

posted on 30 Apr 2014, 20:27

9. apple4never (Posts: 947; Member since: 08 May 2013)


now if only apple can put the finger scanner in the screen itself and get rid of the home button

posted on 30 Apr 2014, 22:04

14. androiphone20 (Posts: 1442; Member since: 10 Jul 2013)


Sounds like a great idea but I don't think I'm comfortable with losing the home button, at least not yet

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