Database Users

Face unlock

I am coming from a rezound running different ics roms. I never used face unlock on that device because it didn't always work, and when it did it took a while. I think the front facing camera also wasn't aimed properly.
Now on the gs3 I find face unlock works great. It often unlocks before I really even registered the lock screen after pressing the power button. Now I become annoyed at the few times it doesn't work so fast. After such an instance I will go straight to security settings and improve face recognition for that scenario. It's working great and I've probably done 30+ improvements.
Now I am interested in finding a way to back up the recognition data so I can keep it across the various rom flashes I expect to come.
Any ideas?
Sent from my SCH-I535 using Tapatalk 2

I found adding multiple pictures (improving facial recognition setting) helps a bunch. I've taken pictures in the car, outside, in the house, in low light, in bright sun light, etc...
I have a full beard, my son does not... and he added his face ONCE, and now it will unlock for him too :laugh: however it will NOT unlock for my other son......
Having the face unlock is having your phone locked, but not really for you... since I never (rarely) have to enter a passcode or swipe code... For me, the phone just unlocks. But for others, its still secure. FACE UNLOCK IS AWESOME.

I was surprised at how accurate and fast it was. As you said, improving facial recognition in the settings really helps! You can even take a picture of yourself in sunglasses and it'll recognize you the next time.

Where do I change settings for it? It doesn't pick me up with sunglasses on or in other dark or bright places.
Sent from my SGH-I747M using xda app-developers app

colemac said:
Where do I change settings for it? It doesn't pick me up with sunglasses on or in other dark or bright places.
Sent from my SGH-I747M using xda app-developers app
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Click to collapse
Settings -> Security -> Improve Facial Recognition.
It has a hard time in bright or dark places, that's true.

but ppl can also take picture of you and unlock it right?
it sis not that secure

tabemasu88 said:
but ppl can also take picture of you and unlock it right?
it sis not that secure
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Quit making that a big deal, cause its not a big deal
For that to happen, someone would have to take your phone without your permission and then use a picture of you. Face unlock is more of a convenience feature. It says it right there before you even select face unlock. Besides, Samsung has made an option for those "paranoid" people. You can set it where it requires the face AND voice. Besides, we know what jellybean provides for face unlock. Face unlock security is an irrelevant issue. (No hate)

that is [email protected]@...

By the same token, someone could get your pin code and unlock, or know your pattern to unlock...
I think the concept behind the face unlock is more for people like myself. I NEVER security lock my phone, I just don't. But, with the face lock/unlock the phone is security locked, but I almost never have to enter anything
I think its cool myself.... but I'm not one of those security paranoid people. NO FLAMING HERE... just saying, we all know those kinds of people, who hear about so&so security flaw and get ultra paranoid about it... like THEY are being targeted directly by some secret organization trying to steal the diary entry on their device that contains the secret of how many times they fed the dog! I don't think the face lock feature was introduced and designed to be the 256bit encrypted fingerprint checking solution to guarding your data... it's a freaking cool feature for the casual user :good: AND THATS EXACTLY WHAT IT IS.

El Nivek said:
I was surprised at how accurate and fast it was. As you said, improving facial recognition in the settings really helps! You can even take a picture of yourself in sunglasses and it'll recognize you the next time.
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that was my biggest gripe .. having to take off my sunglasses for it to work. Never thought of adding sunglasses pics. thanks!
If i add some sunglasses pics do you think it'd let anyone with sunglasses unlock it?

tabemasu88 said:
but ppl can also take picture of you and unlock it right?
it sis not that secure
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Click to collapse
If people are trying to access your phone using a picture you have bigger things to worry about.

^this.
Here are the scenarios:
1. Some one not close to me badly wants some data off my phone. - I don't really have data arbitrarily important to garner such atention, and they are still gonna have to go to an odd length to get it.
Furthermore, I don't have my phone storage or sd card encrypted because I am usually flashing new roms, so they can really get that data anyhow no matter what the lock mechanism if they want it badly enough.
2. Someone close to me wants data off my phone and is willing to make such a trespass.
- I don't have people like that close to me, sounds like a bad situation.
3. My phone is lost or stolen and I want time to remote wipe or track it.
- face unlock is sufficient.
For most people's purposes, face unlock is sufficient.
Sent from my SCH-I535 using Tapatalk 2

Multi-person finger prints?

First, I have searched for this but came up with only instructions and tips on how to set it up, not my particular question (but it may be how I'm asking it!!). My question is whether anyone knows why the finger print scanner would accept my prints quickly and easily (meaning I don't have reason to think the scanner is faulty), but not work on my wife's at all. I'd like her to be able to easily unlock my 6P in the case of an emergency but it will only record her 1st print, then fault out on all subsequent attempts - on either index finger. It seems to accept any of my fingers, but none of hers. Can the scanner be slightly defective so only more prominent ridges are picked up (I'm talking waaay over my head here, just throwing out questions).
Any thoughts would be appreciated.
Thanks,

You might be hitting the finger print limit. I thought you could only store 6 prints.
Sent from my Nexus 6P using Tapatalk

tommyg562000 said:
You might be hitting the finger print limit. I thought you could only store 6 prints.
Sent from my Nexus 6P using Tapatalk
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Thanks, but it won't think it will let you do more than 5 and lets you delete them if you wish. I didn't want to completely delete mine but I made sure there was at least 3 available.

gregb882 said:
Thanks, but it won't think it will let you do more than 5 and lets you delete them if you wish. I didn't want to completely delete mine but I made sure there was at least 3 available.
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possibly lotion on her hands or something along those lines?

u89taper said:
possibly lotion on her hands or something along those lines?
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Click to collapse
Thanks, but we thought of that, too. Had her try without washing her hands 1st, then after washing, then after wiping with alcohol - no luck!

I scanned both of my index fingers without problem. Sounds like you had no issues either... Any chance she's pressing her finger too hard? Not hard enough? Possibly she's scanning a portion of her finger and its not overlapping when she scans the next (no clue if this is a thing)? Maybe overlapping too much? I'm assuming y'all have tried repeatedly.... Just trying to brain storm

Axon 7 fingerprint scanner with sweaty hands

How well does your Axon 7's fingerprint scanner work with sweaty hands and fingers?

Excellent...
There is only one thing to do.
Set one fingerprint with a moistured finger.
Needed some attempts and after a bit of try&error works brilliant for me

It gives me error continuously with sweaty hands.

Does your Axon 7 register your fingerprint when your hands are sweaty? Because my hands sweat a lot quite most of the times , I 'm really having trouble with this phone's scanner. Any suggestions or tips to improve this situation a little bit ?

This is the screenshot

Aj-jss said:
Does your Axon 7 register your fingerprint when your hands are sweaty? Because my hands sweat a lot quite most of the times , I 'm really having trouble with this phone's scanner. Any suggestions or tips to improve this situation a little bit ?
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Don't know, it works perfectly for me. Dry and sweaty. Maybe it has to do with how you set up your fingerprint. I changed my position a lot during the registering procedure.

macmobile said:
Don't know, it works perfectly for me. Dry and sweaty. Maybe it has to do with how you set up your fingerprint. I changed my position a lot during the registering procedure.
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No it's not related to it. It is just so annoying for me because whenever my fingers are just a little sweaty it says "partial fingerprint detected please try again". And I had this issue from the first day and it jus got worse with recent updates.(totally messed up) It's definitely the worst fingerprint scanner I've ever used.

Aj-jss said:
No it's not related to it. It is just so annoying for me because whenever my fingers are just a little sweaty it says "partial fingerprint detected please try again". And I had this issue from the first day and it jus got worse with recent updates.(totally messed up) It's definitely the worst fingerprint scanner I've ever used.
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RMA it, then. Your sensor must have gone bad

Choose an username... said:
RMA it, then. Your sensor must have gone bad
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I can't RMA my phone because my reseller doesn't accept RMA. And I think it's software issue 'cause it's gotten worse after the update.

Aj-jss said:
I can't RMA my phone because my reseller doesn't accept RMA. And I think it's software issue 'cause it's gotten worse after the update.
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factory defect? Many people have returned A2017s to Aliexpress resellers AFAIK
If it were a software error I'm pretty sure you'd fix it with MiFlash and a N package. Or going to a custom ROM and coming back.

Aj-jss said:
I can't RMA my phone because my reseller doesn't accept RMA. And I think it's software issue 'cause it's gotten worse after the update.
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Maybe it's just your fingers. The scanners don't like 'em. [emoji6]

Choose an username... said:
factory defect? Many people have returned A2017s to Aliexpress resellers AFAIK
If it were a software error I'm pretty sure you'd fix it with MiFlash and a N package. Or going to a custom ROM and coming back.
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Click to collapse
I haven't bought it from AliExpress.
And I haven't tried MiFlash but I have installed my current ROM again with a complete Package. And I have seen many reviews about Axon7's fingerprint scanner that it doesn't work with sweaty or greasy hands but I didn't pay attention to it when I decided to buy it.

macmobile said:
Maybe it's just your fingers. The scanners don't like 'em. [emoji6]
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Click to collapse
If I just put the same region of my finger again and again and even when it says register the edges of your finger during registration, it doesn't give me errors. Shouldn't it give you errors when you put the same area of your finger during all the process of registration? Doesn't this mean my scanner is faulty and doesn't recognize different areas of my finger?

Aj-jss said:
I haven't bought it from AliExpress.
And I haven't tried MiFlash but I have installed my current ROM again with a complete Package. And I have seen many reviews about Axon7's fingerprint scanner that it doesn't work with sweaty or greasy hands but I didn't pay attention to it when I decided to buy it.
Click to expand...
Click to collapse
How did you install your ROM again with a package? Lots of things remain unless you downgrade. Just try with MiFlash and a FULL_EDL package from 4pda and if the problem with the sensor persists, I guess you can buy a broken phone if you care much about the sensor

Choose an username... said:
How did you install your ROM again with a package? Lots of things remain unless you downgrade. Just try with MiFlash and a FULL_EDL package from 4pda and if the problem with the sensor persists, I guess you can buy a broken phone if you care much about the sensor
Click to expand...
Click to collapse
I installed it over my current ROM for instance I installed B13 (a zip file named update.zip 2.4GB)ROM again when I was already on B13. I have also downgraded a few times.

Aj-jss said:
I installed it over my current ROM for instance I installed B13 (2.4GB)ROM again when I was already on B13. I have also downgraded a few times.
Click to expand...
Click to collapse
I'm pretty sure it's your sensor then - would you change it yourself?

Choose an username... said:
I'm pretty sure it's your sensor then - would you change it yourself?
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Click to collapse
No haven't decided yet and I don't risk tearing the phone myself.

I finally understood that it's not related to my hands being wet and sweaty or dry, I sometimes get these errors (see screenshots) either with both wet and dry hand.
But sometimes it works perfectly.
I have the A2017 variant and I've asked someone who's bought it where I did and he also has this issue. This issue is so bothering and I had it since the first days.

fingerprint reader issue

Hi folks,
Anyone else experiencing issues with the fingerprint reader?
I've set up the maximum if 5 fp, but interestingly all the 5 are the same finger.... And the device won't recognise my finger ad soon as I lock the phone.
Tried with different fingers= same result.....
No matter what I'm doing, clean cache, re-set, etc....
I've already exchanged the phone but the new one is the same....
Any idea how to fix it?

Sounds like your fingers aren't compatible. Is it a common practice to have the same finger registered five times? Only have once perfinger myself and never have an issue unlocking.

My experience is it gets a lot better with time. I did make two entries for my left thumb which helped increase read rate from maybe 2/3 to >9/10. Other fingers read well and got better. In sunlight, in dark, no problem it just works. If your fingerprints are in some way unusual or hard to read it may "just be you.".
Do you have a friend whose finger you can borrow to test things out? Rule out the phone ?
Sent from my ONEPLUS A6013 using Tapatalk

_katho_ said:
Sounds like your fingers aren't compatible. Is it a common practice to have the same finger registered five times? Only have once perfinger myself and never have an issue unlocking.
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Click to collapse
I was really upset about not reading my fingerprints so I tried with the same finger and surprisingly registered again....and again.

Frankenscript said:
My experience is it gets a lot better with time. I did make two entries for my left thumb which helped increase read rate from maybe 2/3 to >9/10. Other fingers read well and got better. In sunlight, in dark, no problem it just works. If your fingerprints are in some way unusual or hard to read it may "just be you.".
Do you have a friend whose finger you can borrow to test things out? Rule out the phone ?
Click to expand...
Click to collapse
Tried with my wife's finger. It reads a little bit better,but the overall successfully unlock by fp is way below the acceptable number (tried around 10 times, unlocked around 3-5)

hunhool said:
Tried with my wife's finger. It reads a little bit better,but the overall successfully unlock by fp is way below the acceptable number (tried around 10 times, unlocked around 3-5)
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Click to collapse
Oh that's awful! I'm consistently >9/10 after a month and half of use. Even early on was probably75%. Only problem I have is right after a shower it doesn't like swollen skin fingers.
As a test I just did 20 unlocks using the various four fingers i defined. Only one fail, and that was left thumb at an angle.
Phone is definitely better than iPhone 6 I have for work (50% rate).
Sent from my ONEPLUS A6013 using Tapatalk

How does everyone register their same finger more than once? It tells me I've already registered that finger?
I noticed a dramatic improvement when I washed my hands really well, cleaned my screen, THEN registered my fingers.

Are you using a screen protector? If you are that is probably your problem.

bladestonez said:
Are you using a screen protector? If you are that is probably your problem.
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Using the official oneplus tempered glass screen protector.

Yes compared to the Vivo and other phones in built fingerprint reader OP6T's fingerprint reader is slow and has some issues.

[Q] How good is the fingerprint reader?

Not how convenient is the placement - I can tell that in store, what I can't tell and most reviews doen't mention is mean how quickly and reliably does it recognise your fingerprint and how often does it miss, particularly are there any circumstances under which it consistently has trouble?
My current phone is a Galaxy S8, before that I had a Pixel. I plan on getting a new one in the next month or so, short listed to Galaxy S10+ or Pixel3 XL. One of my favourite things about the Pixel is the fingerprint reader, which worked pretty much first time, every time - when I picked it up the phone was unlocked by the time I was looking at the screen. The S8 not so much; I can work around the smaller, less well placed reader but it often has trouble reading my finger print. I've reregistered, rebooted, cleaned the reader etc many times, to no effect, it still has trouble particularly if my hands are cold (for a certain value of cold, never below freezing around here), skin is dry, skin is wet etc...
My partner has my old pixel, I still have a fingerprint registered on it and the pixel still consistently reads it first time, even when the S8 can't.
For me this is one of the make or break features on a phone, it's not covered in reviews and will be hard to test in store, so I'm asking this community - how good is the fingerprint reader on this phone?
(I'm posting this on both the Pixel 3XL and S10+ forums, apologies to those who follow both)

Honestly it works fine for me, but i dont use it much, I use the face unluck, any reason why you guys prefer fingerprint over face unluck ?

Raul77 said:
Honestly it works fine for me, but i dont use it much, I use the face unluck, any reason why you guys prefer fingerprint over face unluck ?
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Yeah, they implemented the ultrasound sensor to make sure this type of authentication can't be attacked.
Face unlock is a flawed method and this phone doesn't even have the hardware to do a proper face authentication, it can be fooled by a picture.
Samsung should have disabled it but chose not to remove any stock Android features, so it is still present.
Regarding my experience with the fp sensor, it took some time to get used to the position but once that happened it's pretty much 10/10, definitely the fastest scanner I ever tried.
It is very sensitive to how you register it the first time, you need to register it in a natural position and it will work perfectly.

Fingerprint is very inconsistent for me. I've tried every method for success and it's just very hit and miss. I really use face unlock more just for my own convenience. I know it's really not secure but my phone never is never far away.

clownin72 said:
Fingerprint is very inconsistent for me. I've tried every method for success and it's just very hit and miss. I really use face unlock more just for my own convenience. I know it's really not secure but my phone never is never far away.
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This.
Face unlock is basically all I use. Miss the note 9 and my pixel 3 xl fingerprint sensor dearly!
Sent from my SM-G975U1 using Tapatalk

You should ask how bad is the finger print unlocked instead how good. For me need two or three to unlock the screen

I really wish they would have left it on the back. It was flawless back there on my s8 plus. I love everything else on the phone but that. If it was more reliable this would be a non issue

When you get used to it, it's still only like 80% accurate. Randomly it will unlock super fast and other times it fails alot. It's really average.

I'd say about 90% but it is getting better. I haven't installed my white stone dome glass and currently using zaggs. I think more people are having trouble finding the sensor and placing their finger on top of it. Try turning the screen on to see where you need to hit and get use to it. After I've learned where it is, unlocking using fp has significantly improved at least through this screen protector

I was having issues until I added an additional finger but kept it the same one I have setup already. Now it works flawlessly.

When I initially got my phone (2 days before release) I registered my fingerprints ASAP. I did each finger twice and it worked alright, not the greatest but I assumed it was just a learning curve and muscle memory that I had to develop. I installed the newest update (ASBA) and it didn't seem to improve, initially. I removed my fingerprints and added them back, this time only once per finger and it honestly works better than before. I didn't do anything special when I deleted and added them again. I wonder if the fingerprints need to be added again after the ASBA update to actually benefit from the improved fingerprint recognition, as it appears that way for myself.

Fingerprints that are added on the s10 & s10+ get better over time with some ai trickery, google search s10 fingerprint ai, theres a sammobile read up...
Sent from my Galaxy S10+ using XDA Labs

In my S10+ is as bad as my A7 2017, I mostly use Face Unlock with "faster recognition " disabled, with that option off it won't be fooled with a picture anymore.

Outbreak444 said:
When I initially got my phone (2 days before release) I registered my fingerprints ASAP. I did each finger twice and it worked alright, not the greatest but I assumed it was just a learning curve and muscle memory that I had to develop. I installed the newest update (ASBA) and it didn't seem to improve, initially. I removed my fingerprints and added them back, this time only once per finger and it honestly works better than before. I didn't do anything special when I deleted and added them again. I wonder if the fingerprints need to be added again after the ASBA update to actually benefit from the improved fingerprint recognition, as it appears that way for myself.
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Click to collapse
I re registered them again after the update, and its like lightning now!!! THX!:highfive:

Outbreak444 said:
When I initially got my phone (2 days before release) I registered my fingerprints ASAP. I did each finger twice and it worked alright, not the greatest but I assumed it was just a learning curve and muscle memory that I had to develop. I installed the newest update (ASBA) and it didn't seem to improve, initially. I removed my fingerprints and added them back, this time only once per finger and it honestly works better than before. I didn't do anything special when I deleted and added them again. I wonder if the fingerprints need to be added again after the ASBA update to actually benefit from the improved fingerprint recognition, as it appears that way for myself.
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iteam said:
I re registered them again after the update, and its like lightning now!!! THX!:highfive:
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Had never issues with fingerprint reader. As I wrote somewhere else, best thing is to press softly when registering it and touch the sensor sometimes more right, left, up and down as you usually don´t hit the sensor exactly in the center in daily use. Anyway there was a little latency until screen woke up and maybe in one of ten cases it didn't work at the first time.
Now I did what you suggested. I deleted the former fingerprint and set a new one. And it´s not only some kind of feeling, it´s indeed much better now. Latency nearly has gone and the fingerprint recognition works absolutely perfect now. So thanks a lot for your advise. Obviously it is not the "AI" of the device but the "user intelligence" Samsung is learning from. The recent update did it - fixed it. Great now, thanks!!!!

It basically sucks. Anyone that says they have no problem with it are full of SH*T

Not very good.

felloffthetruck said:
It basically sucks. Anyone that says they have no problem with it are full of SH*T
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I agree with you, is crap, I have to touch several times and if my skin is dry because of the climate compared to when I registered the fingerprints (much less climate), much worse.

citytrader said:
I agree with you, is crap, I have to touch several times and if my skin is dry because of the climate compared to when I registered the fingerprints (much less climate), much worse.
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I'd say that's the biggest issue. It has difficulty recognizing your finger when it is dry (and that is according to the climate). When I registered them initially it worked great because my hands were slightly more humid.
At times I have to rub my hands on my hair or something to get it to recognize the fingerprint. There has to be something that Samsung can do to fix this. Especially given that this is the only secure method to unlock your phone.

felloffthetruck said:
It basically sucks. Anyone that says they have no problem with it are full of SH*T
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Click to collapse
Maybe you're actually just a reptile, or alien race? Honestly, I have no problems at all with the scanner. I don't understand what the people who do have the problems are doing because IMO it has to be user error. I'm not saying it's flawless, but I never have to re-attempt a scan more than once. Which is pretty much on par with how often I'd need to retry with my S8+.
Now, I don't use a tempered glass protector, only the factory one that came with it so that might be an issue some people face. But honestly, everyone who wines about the fingerprint scanner are probably just too stupid to use it properly or something.