Database Users

Finger Print Reader Tip - It's All About Angles

Here's a great tip I found while browsing online. If you're having trouble with the reader, It is most likely because you swiped the same finger the same way all 10 times. Here's what I did.
1 - I only use my thumb print to unlock. Either thumb.
2 - For the first profile, I use my left thumb and swipe each time in slightly different directions as if I would normally unlock it. I even do one where I'd have to open it while someone else is holding the phone.
3 - I do the same for the right thumb with the second profile.
4 - I do another one just to make sure i have all the angles.
5 - Should work much better.
Remember get all the angles you think you're gonna use!
It's also good to re-capture your prints after a weeks use with the phone. Now you got that muscle memory
Found the link here. Although I don't think he's getting all the angles now that I'm watching it again lol. http://youtu.be/I0qMp0Smi58
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Thanks we try and report back

Great advice. Work's allot better
Sent from the TermiNOTEr 4!

Index finger works best for me...it's functions almost flawlessly.....I tried thumb but never worked out well

The index works for me. 9 out of 10.

Nice catch! I'm surprised this wasn't discovered or mentioned by anyone before!

I used my right thumb for Fingerprints 1, 2, and 3. I got every angle I could imagine, and rotated my thumb slightly a few times. One finger scanned 30 times works way better than three fingers scanned ten times each!
Sent from my SM-N910T using XDA Free mobile app

I think each fingerprint actually gives you ability to store 2 fingers. So I did thumbs and index fingers (index finger is much easier when it is laying flat on a table in front of you) and swiped at angles like you suggest. Seems pretty good and I think the update even improved it - no hard evidence, just seems improved.
One more suggestion - do one fingerprint swiping up. Works great and I find it a bit easier one handed.

i dont always leave comments on post i read, but when i do its because the OP was so amazing with their information that it helped me out alot...
thanks so darn much for this...
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DieHappy said:
I used my right thumb for Fingerprints 1, 2, and 3. I got every angle I could imagine, and rotated my thumb slightly a few times. One finger scanned 30 times works way better than three fingers scanned ten times each!
Sent from my SM-N910T using XDA Free mobile app
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u can scan one finger 20 times in one imprint... when it gets done with the first 10 it ask if u want to scan the same finger again, that adds to the original scan...

I'll give it a try... I was so frustrated with the fingerprint scanner I even removed the option and started using the pattern lock.
Sent from my SM-N910T using XDA Free mobile app

obiaquino said:
I'll give it a try... I was so frustrated with the fingerprint scanner I even removed the option and started using the pattern lock.
Sent from my SM-N910T using XDA Free mobile app
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I scan my left tbumb in every direction possible, and different angle, so now it works as good as iphone scanner

agree with tips
I completely agree with op and other posters. My fingerprint unlock is working flawlessly. I did 20 scans each on both thumbs and my right index and all 3 are working.
Make sure you scan each side, literally turn your hand like your giving someone a handshake and do a few scans on the sides. Same for the other side of each finger and the tips as well.
Most importantly if you're using your thumb is to scan the fingerprint sideways from different angles several times. Scan it straight up and down, then at a 90 degree angle 45 degree angle and any angles in between. Do each one a couple times, in particular make sure you're doing it the way that you'll actually be doing it when your unlocking the phone. Hold your phone like you would when you going to unlock it and scan it that way several times. Best of luck hopefully this works well for everyone wanting to use it without any headaches.

Useful!! Thanks a lot!
I followed the instructions and some of the feedback that some other folks left here and works like charm!!! Its kinda hard do it with one hand but its pretty accurate... now my gf cant unlock the phone

I registered 6 fingers and they all work fine.
Sent from my SM-N910T using XDA Free mobile app

Scrolling up with thumb on one handed unlocking works the best for me. 99 percent accuracy.
Sent from the TermiNOTEr 4!

I have no issues with my fingerprint scanner but I came from the s5, which I think was a bit more finicky. I had to swipe multiple times and use a glas.tr to keep the button flush. The note 4 reads my thumb every time and I'm very happy with it.

My "tip" for you guys would be to literally use the tip of your finger. If I place my thumb lower as to cover the whole button like it says, it never works. If I just use the very tip of my finger it works perfect every time.

This is awesome! Got mine set up last night and am enjoying this simple security very much! Wish it could be set up to be always on so you can open with the screen off just like the mic for Google Now!

My index finger 10 out of 10 times and it works , it absolutely hates my thumb i havent gotten it to work once yet

tigerz0202 said:
My index finger 10 out of 10 times and it works , it absolutely hates my thumb i havent gotten it to work once yet
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My index finger never fails also. My thumb fails more often now that I have a case on the phone. I'm going to retrain it.

Fingerprint scanner - My experience

I just thought that I would pass along my experience with the fingerprint scanner. When I first started using the Note 4, I went through the fingerprint setup for my right thumb. I did the 10 times scan, and then, as the setup describes, did 10 more times with the thumb almost at a right angle. The phone stored the fingerprint and everything was OK.
As I used the fingerprint to unlock the phone, I almost always had to scan it several times. Sometimes it took 4 or 5 tries to get it to unlock.
On a whim, I deleted that fingerprint and started all over. This time I did the straight down 10 times, but did not do the additional "angle" scan 10 times and stored the print.
Now I am able to unlock the phone on the first try about 95% of the time. It never takes more than 2 tries to unlock. Yes, I have to scan my thumb straight down, but I think that is a small price to pay to get away from the frustration of having to scan a bunch of times to unlock.
As an aside, I am using the fingerprint scan for apps such as LastPass and they are now a pleasure to use with a scan match on the first try.

JimInWoodstock said:
I just thought that I would pass along my experience with the fingerprint scanner. When I first started using the Note 4, I went through the fingerprint setup for my right thumb. I did the 10 times scan, and then, as the setup describes, did 10 more times with the thumb almost at a right angle. The phone stored the fingerprint and everything was OK.
As I used the fingerprint to unlock the phone, I almost always had to scan it several times. Sometimes it took 4 or 5 tries to get it to unlock.
On a whim, I deleted that fingerprint and started all over. This time I did the straight down 10 times, but did not do the additional "angle" scan 10 times and stored the print.
Now I am able to unlock the phone on the first try about 95% of the time. It never takes more than 2 tries to unlock. Yes, I have to scan my thumb straight down, but I think that is a small price to pay to get away from the frustration of having to scan a bunch of times to unlock.
As an aside, I am using the fingerprint scan for apps such as LastPass and they are now a pleasure to use with a scan match on the first try.
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Wow. This is actually true I hated the finger print first time. But now I can actually use it with out frustrating. I wish my finger could be in a bit of an angle but if it is it brings that annoying inconsistent.
Sent from my SM-N910T using XDA Free mobile app

The key is to scan it 10times at all kinda of angles.

LancerV said:
The key is to scan it 10times at all kinda of angles.
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Does not matter how I scan it. I cannot unlock unless my finger is straight vertical
Sent from my SM-N910T using XDA Free mobile app

How do you set up the 10 scans each one should be different
Sent from my SM-N910T using Tapatalk

LancerV said:
How do you set up the 10 scans each one should be different
Sent from my SM-N910T using Tapatalk
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What you mean by 10 scans you can gave up to 3 fingers I believe

egren58 said:
What you mean by 10 scans you can gave up to 3 fingers I believe
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Each finger print should be a different angle I do both thumbs under one fingerprint scan St multiple angles
Sent from my SM-N910T using Tapatalk

The trick I found that works great is take the finger that you are going to use the most and make all three finger prints the same finger at all angles. I have a 98% success rate.

jarazmek said:
The trick I found that works great is take the finger that you are going to use the most and make all three finger prints the same finger at all angles. I have a 98% success rate.
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you mean three different angles of the same finger? or you do different angels of the same finger like 10 swipes of different angle, and so on....?

different angles same finger. I tried to trip it up, total of 60 swipes for all 3 finger prints

The scanner works horribly for me. Maybe it's my calloused construction hands.

Rob the plumber said:
The scanner works horribly for me. Maybe it's my calloused construction hands.
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The scanner works fine for me. But my wife still cant get hers to work. She is frustrated and keep bugging me.

Yeah, I have to swipe my finger at least 10 times to get the phone to unlock.
---------- Post added at 03:23 PM ---------- Previous post was at 03:22 PM ----------
Swipe slower, swipe faster, swipe the center, etc...

jarazmek said:
The trick I found that works great is take the finger that you are going to use the most and make all three finger prints the same finger at all angles. I have a 98% success rate.
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**Brilliance** :highfive:

Only had one finger print scaned. Perfectly scans my finger never had to do more than one swipe. Been using it for a week now.

Index fingers=pretty good
Thumbs=terrible
For me anyway.

Works well for me. Unlocks first try with thumb and index finger pretty much 95% of the time. Very impressed. Works far better than my dads IPhone 5 does for him.
Sent from my SM-N910T using XDA Free mobile app

My wife is still having trouble with this finger scanning. I even have to hold her finger and help her do this exercise. Then today it doesnt work anymore. I notice her finger skin is peeling.
You notice it will not work after you wash your hand and dry it? It has to be super dry.

LancerV said:
The key is to scan it 10times at all kinda of angles.
Click to expand...
Click to collapse
Yep, that is the key! The only failures get now are if I swipe too fast, too slow or don't swipe over the entire key! It's really a lot more accurate than people give it credit for if you swipe it correctly! I can unlock with both my index finger and my thumb.

As winter has dragged on (dry in the upper Midwest) this has gotten much worse for me. Especially if I'm outside in the cold, the scanner almost never works. I think the dry skin is causing it to trip up. I need to re-register my fingers all the time to have a chance.

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

Strange fingerprint issue

For some reason, I just can't unlock my phone with my left thumbprint. It works perfectly with my right one. I've removed and re-added my left fingerprint several times. Sometimes up to 3 copies of it. Regardless of what I do, it will not unlock with the left one.
Sent from my ONEPLUS A6013 using Tapatalk

Did you try another finger?
Maybe your device is not accepting a second finger, but trying 3 times the same thing is not helping to isolate the "problem"
ledvedder said:
For some reason, I just can't unlock my phone with my left thumbprint. It works perfectly with my right one. I've removed and re-added my left fingerprint several times. Sometimes up to 3 copies of it. Regardless of what I do, it will not unlock with the left one.
Sent from my ONEPLUS A6013 using Tapatalk
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Sent from my SM-N9005 using Tapatalk

I have the same issue with my left finger, not entirely useless but it is much more difficult to use it.

I had that issue when I was using 9.0.5, it works sometimes with my left thumb, but works perfectly fine with my right thumb .
After updating to 9.0.6, I decided to remove all my fingerprints and re-add them, and now it works fine.
Give it a try if you have updated to 9.0.6.

I did actually, removed all of them and readded them in a dark room.. again I have the same behaviour. It's not that frustrating because I also have face unlock and the right finger but....

Same issue here and at least now I know I'm not alone. Right thumb works fine Everytime yet left works maybe 5pct of the time, or less . It's very frustrating

Same for me. I added both thumbs and both index fingers. Only my R thumb (the one I use 90% of the time) works reliably. I've tried deleting and re-adding the other fingers multiple times without effect, but I haven't tried since the upgrade to 9.0.6

Re-did my fingerprints on 9.0.6, now all 4 work. Could be a coincidence.

CUBENSIS said:
Re-did my fingerprints on 9.0.6, now all 4 work. Could be a coincidence.
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I did the same and it still isn't working for me.
Sent from my ONEPLUS A6013 using Tapatalk

jeff7424 said:
I had that issue when I was using 9.0.5, it works sometimes with my left thumb, but works perfectly fine with my right thumb .
After updating to 9.0.6, I decided to remove all my fingerprints and re-add them, and now it works fine.
Give it a try if you have updated to 9.0.6.
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Click to collapse
I will try this! I'm on 9.0.6 and gave the same issue with my left thumb. Thanks!

In my case I added three different fingers and had no issue with any so far. Of course it hasn't the fast response of the regular fingerprint readers but is not that bad.

CUBENSIS said:
Re-did my fingerprints on 9.0.6, now all 4 work. Could be a coincidence.
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A day later my other 3 fingers have stopped working again. Frustrating. R thumb still working well

CUBENSIS said:
A day later my other 3 fingers have stopped working again. Frustrating. R thumb still working well
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I've seemed to notice that the angle must have to be exactly how one of the prints was recorded. Even with this, I can only get it to work 20pct of the time .
I'd much rather have a dedicated print reader like my v30

Had same issue. Only one finger working consistently. I just changed the wallpaper back the original one it shipped with and the scanner issue has resolved!

I'm pretty sure I read somewhere that the fingering reader is a learning type, so the more you use it the more it recognizes what produces failed and successful attempts. It's quite possible that we're just not using our left thumb as often and that the algorithm doesn't necessarily differentiate right from left, but just knows what the different prints look like, which ones to accept and which ones take priority in the line to make more accurate. This might be something worth sending OnePlus feedback on.

So far I think OP should really optimize whatever can be done in software to be more forgiving of different angles. If the angle is the same, the reader works always and fast. So it's entirely capable of reading fingerprints correctly. Why are the "regular" readers not having problems with different angles is beyond me and I suspect (and hope) it has to do with software.
To be honest I fail to see how the reader could be "learning". If it doesn't unlock there is no mechanism to tell the system that the finger was correct. If it does unlock there is no way to tell it if/when (hopefully never) it shouldn't have.
So what could it be learning from, I don't get it.

gorman42 said:
So far I think OP should really optimize whatever can be done in software to be more forgiving of different angles. If the angle is the same, the reader works always and fast. So it's entirely capable of reading fingerprints correctly. Why are the "regular" readers not having problems with different angles is beyond me and I suspect (and hope) it has to do with software.
To be honest I fail to see how the reader could be "learning". If it doesn't unlock there is no mechanism to tell the system that the finger was correct. If it does unlock there is no way to tell it if/when (hopefully never) it shouldn't have.
So what could it be learning from, I don't get it.
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Actually in coding I'm pretty sure anytime something receives an input value it gives an output. Something happens from the moment the scanner realizes there's an object waiting to be scanned, it produces some kind of expected coded result which causes this or that particular activity to happen or not happen. It isn't that difficult to see how it could be storing particular information to "learn" from.

Has anyone tried replacing the stock screen protector or removing it completely to see if that affects the fingerprint scan behavior?

I think you guys are just more coordinated with your right thumb so you place it perfectly everytime but when it comes to the left one which in sure you rarely use it's more difficult. I would suggest just using your left thumb for a day or 2. Then see if it improved
Sent from my ONEPLUS A6013 using XDA-Developers Legacy app

i7vSa7vi7y said:
I think you guys are just more coordinated with your right thumb so you place it perfectly everytime but when it comes to the left one which in sure you rarely use it's more difficult. I would suggest just using your left thumb for a day or 2. Then see if it improved
Sent from my ONEPLUS A6013 using XDA-Developers Legacy app
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I can confirm that training sessions for my left thumb, after initially registering it, helped immensely. Whether the reader was trained, or I was, or both, is a matter of some debate. [emoji106]
Sent from my ONEPLUS A6013 using Tapatalk

[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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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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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.