Does the iris scanner work for you? - Samsung Galaxy S8+ Questions & Answers

I had high hopes for the iris scanner after watching some of the videos on YouTube but for me it's crap! Seems to only work 1 in 20 attempts. I've even reregistered my eyes a few times in different conditions to no avail. I don't wear glasses or contact lenses.
What's everyone elses experience?
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crankshaft said:
I had high hopes for the iris scanner after watching some of the videos on YouTube but for me it's crap! Seems to only work 1 in 20 attempts. I've even reregistered my eyes a few times in different conditions to no avail. I don't wear glasses or contact lenses.
What's everyone elses experience?
Sent from my SM-G955F using Tapatalk
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Works for me with my glasses on.
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Katt50 said:
Works for me with my glasses on.
Sent from my Samsung Galaxy S8+ using TapaTalk Pro
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Damn it! I'll get my wife to setup hers tonight.
Maybe i just have odd eyes [emoji6]
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It's been really great for me.
Sent from my SM-G955U using Tapatalk

No issues on mine

Works for me flawlessly.
I registered without glasses and it unlocks with my glasses on. Faster unlocking than the fingerprint

Worked well for Me, but I didn't like having to see my eyes every time I wanted to unlock my phone, fingerprint scanner works great and my finger seems to land on the button when I pull the phone out of my pocket

I've only played with it briefly, and thus far, it seems to work fine. More testing to come.

Crombi said:
Worked well for Me, but I didn't like having to see my eyes every time I wanted to unlock my phone, fingerprint scanner works great and my finger seems to land on the button when I pull the phone out of my pocket
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You can disable the iris preview

Works for me but only when in dull light. Does not work in sunshine!
Sent from my SM-G955W using XDA-Developers Legacy app

Ah man, why is it so crap for me! I feel like a right idiot moving the damn thing up, down, closer, further. I had such high hopes!
I'll try and do a video over the weekend.
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Katt50 said:
Works for me with my glasses on.
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Click to collapse
Same here, works for me with and without glasses.

Mines works 95% of the time. I set up in good lighting. And it works in dark areas. Very good too. I hit just the power button and it unlocks right away.
My wife's is a hit and miss but she is never aiming the phone correctly. Once she does that it works.

Related

Awesome app, must try! Gravity Screen Off

https://play.google.com/store/apps/details?id=com.plexnor.gravityscreenofffree
This app uses your phone's motion, gravity, and proximity sensors to automatically turn on and off your screen so that you don't have to press any keys (software or hardware).
For instance, when I put my S4 inside my pocket or holster it to my belt clip, the screen turns off automatically. When I take the phone out, the screen turns on automatically as well.
I've tried a few apps similar to this before but this one just works very well and consistently.
I already installed it on my mom's and wifey's S2s and they love it too~! Just wanted to share the goodness~
Wow it is pretty impressive! Thanks for sharing. .
Sent from my SPH-L720 using xda app-developers app
sprint_dobbs said:
Wow it is pretty impressive! Thanks for sharing. .
Sent from my SPH-L720 using xda app-developers app
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No problem. I figured there must be others who will find this kind of app convenient to have around. I just love not having to press the home or power button every time I want to turn the screen on.
Any hit on battery performance?
vboyz103 said:
Any hit on battery performance?
Click to expand...
Click to collapse
The author of the app said to expect a hit about 5%. I've been using it for 2 days now and I haven't noticed any difference so far. But then, I'm running on the ktoonsez kernel with -50mV, all-around.
Freekin love this app
Thanks for the heads up op! works like a charm, now I've got to get used to not pressing my power key on wake
****'ll Buff Out
Sweet app....I noticed I had to lower the sensitivity while my phone was in my mount while driving. The screen kept coming on.
Nice catch. Love this app.
This is exactly what I was looking for!! Thanks for the find!
Sent from my SPH-L720 using xda premium
Very nice find, bought the pro version right away, this is awesome but does anyone knows if there's something you can do so when you put your phone face up on the table it lock it without waiting 5 secs?
Sent from my SPH-L720 using Tapatalk 4 Beta
K nvm Im getting screen off a lot while using the phone in different positions, I tried changing some settings but nothing I had to turn it off it was getting extremely annoying
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Rasmux said:
K nvm Im getting screen off a lot while using the phone in different positions, I tried changing some settings but nothing I had to turn it off it was getting extremely annoying
Sent from my SPH-L720 using Tapatalk 4 Beta
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The only time the screen turns off on me when I don't want it to is when I text and I accidentally rest one of my fingers over the proximity sensor by mistake. Otherwise, it's been good. I wish there was a time-delay option for proximity sensor to turn off the screen so an accidental finger covering up the proximity sensor doesn't turn off the screen right away.
optimummind said:
The only time the screen turns off on me when I don't want it to is when I text and I accidentally rest one of my fingers over the proximity sensor by mistake. Otherwise, it's been good. I wish there was a time-delay option for proximity sensor to turn off the screen so an accidental finger covering up the proximity sensor doesn't turn off the screen right away.
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Click to collapse
Yeah well actually here it happens when im gaming which I hold the device horizontal
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Rasmux said:
Yeah well actually here it happens when im gaming which I hold the device horizontal
Sent from my SPH-L720 using Tapatalk 4 Beta
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I see. It's an extra step but you could pull down the notification menu and pause the app before gaming then turn it back on afterwards. My mom tells me that sometimes when she's watching Netflix, the screen turns off on her. I told her not to cover up the sensor but she just disabled the app.
optimummind said:
I see. It's an extra step but you could pull down the notification menu and pause the app before gaming then turn it back on afterwards. My mom tells me that sometimes when she's watching Netflix, the screen turns off on her. I told her not to cover up the sensor but she just disabled the app.
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Click to collapse
Could you take a screenshot of your settings? Maybe im ****ing up somewhere lol
Sent from my SPH-L720 using Tapatalk 4 Beta
I got a wakelock after enabling this. just me?
gershee said:
I got a wakelock after enabling this. just me?
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No. I got 4x for 16 seconds in 12 hours. But for as awesome as this app is I can live with a 5% hit any day!!
Sent from my SPH-L720 using xda premium
:victory:
Thanks! This fits the bill, the other drivers on the road thanks you too!
According to GSam battery monitor, Gravity Screen Off is responsible for only 0.2% battery drain. I haven't noticed any extra drain because of this app.

[falsified] See Your Pulse on Lockscreen

Ok, so I do not know if anyone have noticed this already, but you might find this interesting.
When you pass your finger over the Lockscreen without actually touching it the phone draws a ripple effect along the path of your finger,
Here's what I found; if you hold your finger steady close enough over the screen without touching all the way, you can see your pulse!!
The way I see it is, unlike the s4's lockscreen where you have a dot following you while you hover, the note's lockscreen draws a circular ripple below your finger that changes in area as you get closer. So, if you don't change the distance between your finger and the screen, the only thing that is changing the capacitance between your finger and the screen is actually your own pulse fluctuating the electrostatic energy in your finger.
If you've read so far I hope I haven't wasted your time. I just wanted to share
Was skeptical but yep seems to work not sure my pulse is that fast though
Sent from my SM-N9005 using Tapatalk 4
Can a app be built arround this ? It's pretty cool
It's NOT your pulse. It's just an effect.
Try hovering your S Pen over the screen = same thing.
dehaani said:
It's NOT your pulse. It's just an effect.
Try hovering your S Pen over the screen = same thing.
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Yeah, just tried that. Bummer
Guess I was wrong and got wound up for nothing. Would have been cool though.
hehe would have been cool
PaulGG said:
Was skeptical but yep seems to work not sure my pulse is that fast though
Sent from my SM-N9005 using Tapatalk 4
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Maybe you got excited lol.
It's a good way to see if someone is coming off drugs or alcohol.
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shaungregg said:
It's a good way to see if someone is coming off drugs or alcohol.
Sent from my SM-N900T using Tapatalk
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Or maybe this is a good way to see who have a sense of observation.
Sent from my SM-N900W8 using xda premium
there are plenty of BT heart monitors.
You could connect to one and display HR on a widget
shaungregg said:
It's a good way to see if someone is coming off drugs or alcohol.
Sent from my SM-N900T using Tapatalk
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For those amongst us who are A, incapable of smell, or B, completely deprived of any observational skills?
I guess everyone knows, but if not this one works.
Maybe stupid of me, but when someone mentioned making an app for it.
https://play.google.com/store/apps/details?id=si.modula.android.instantheartrate
Sent from my SM-N9005 using xda app-developers app

Fingerprint Scanner Tips

I found some info on another site that helps with the fingerprint sensor:
It seems like the key is to press relatively hard when swiping your finger. I've tried that a number of times now, and it seems to be working much better. I'm even able to get one handed unlock with the fingerprint sensor.
Hope this helps.
Sideways thumb swipe: rotate thumb to maximize print area while swiping during record and read.
Works fine.
Sent from my SM-G900S using XDA Premium 4 mobile app
f308gt4 said:
I found some info on another site that helps with the fingerprint sensor:
It seems like the key is to press relatively hard when swiping your finger. I've tried that a number of times now, and it seems to be working much better. I'm even able to get one handed unlock with the fingerprint sensor.
Hope this helps.
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I have fingerprint sensor in my phone. i feel good to use it. thanks
Nice you guys have finger print sensor on your phones.
Lodaserves said:
Nice you guys have finger print sensor on your phones.
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Do you have it ?
i think Finger Print sensor will give you good security on your Phone..
Anyone that uses a fingerprint scanner on a locked phone is really, really unfortunate.
Guadalupeohara said:
Do you have it ?
i think Finger Print sensor will give you good security on your Phone..
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Nah i dont have yet..yeah its true good security on the phone you have.
Glad to see you guys are having success. Mine sucks, works about 30% of the time.
Lodaserves said:
Nah i dont have yet..yeah its true good security on the phone you have.
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You can get it from google play store..
https://play.google.com/store/apps/details?id=com.ponyrocket.fingerprint
Guadalupeohara said:
You can get it from google play store..
https://play.google.com/store/apps/details?id=com.ponyrocket.fingerprint
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Thanks for the link man!:good:
Lodaserves said:
Thanks for the link man!:good:
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You are welcome. Anything help do you want ?
What I did was use the 3 allotted different fingerprints and scan my thumb at slightly different angles so I could swipe my thumb horizontally rather than vertically and it works a lot better now.
I feel clever ...unless this was already mentioned
Sent from my SM-G900V using Xparent Skyblue Tapatalk 2
The following was in another thread, so thought I would copy it here for posterity:
armyranger172 said:
So I was playing around with the fingerprint scanner and wanted to add more then 3 fingerprints. When I was setting up my thumb, I also swiped my pointer finger. After the set up was complete. I found it let me unlock the phone with both fingers from the one setup. I haven't seen this mentioned yet, so I figured someone out there might find it useful.
Semper Primus
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Confirmed that it worked on my device. I was able to register right thumb, left thumb and left index finger on just one setting.
Maphack said:
What I did was use the 3 allotted different fingerprints and scan my thumb at slightly different angles so I could swipe my thumb horizontally rather than vertically and it works a lot better now.
I feel clever ...unless this was already mentioned
Sent from my SM-G900V using Xparent Skyblue Tapatalk 2
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:good::good:

Spen

Hey everyone! Absolutely love this phone. So as I'm trying to use my spen I am having a lot of issues. It doesn't write like the note 4 does. The spen will only pick up at a certain amount of pressure. Anyone else having this issue?
baltrick293 said:
Hey everyone! Absolutely love this phone. So as I'm trying to use my spen I am having a lot of issues. It doesn't write like the note 4 does. The spen will only pick up at a certain amount of pressure. Anyone else having this issue?
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Click to collapse
Mine is working fine.I Am using it to write this now. It's Working fine.
I'm loving my spen as well
Sent from my SM-N920T using Tapatalk
Having an issue with my spen too. Not sure what's going on. I remove it and air command comes up and I try clicking on it, nothing happens I have to either tap the screen multiple times or even press hard on the screen.
Sent from my SM-N920T using XDA Free mobile app
Reset your phone see if that works.
So I tried using someone else's s pen and it worked with no problem so something was up with my s pen. Thank God I work at best buy and someone had returned their phone. I took their s pen and I'm all set. Don't have to ship my whole phone back just for the damn spen
Sent from my SM-N920T using XDA Free mobile app

S8 plus slow motion stuttering - Flickering

Hi everyone i just noticed today that slow motion video in low light condition stutters a lot. Is anyone else experiencing the same please do report
Here's the sample
https://youtu.be/W7NV7RZbMcA
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Those are your light fixtures. Similar to recording LEDs with slowmotion, you will see them flicker on and off.
Your lights are turning on and off multiple times a second, you cannot see it.
https://www.quora.com/Why-do-lights-flash-in-slow-motion
Skander1998 said:
Those are your light fixtures. Similar to recording LEDs with slowmotion, you will see them flicker on and off.
Your lights are turning on and off multiple times a second, you cannot see it.
https://www.quora.com/Why-do-lights-flash-in-slow-motion
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Click to collapse
You are totally right. This problem was on the s7 as well.
Hope Samsung solves this problem in future updates which well never happen ?
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Amar.B said:
You are totally right. This problem was on the s7 as well.
Hope Samsung solves this problem in future updates which well never happen
Sent from my SM-G955F using Tapatalk
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This isn't a "problem" it's part of how light bulbs work, and how slow motion works. In your house, your lights flicker like that, just fast enough that we can't detect it with the human eye. Slow motion slows this down, which you can then see.
fenixnr said:
This isn't a "problem" it's part of how light bulbs work, and how slow motion works. In your house, your lights flicker like that, just fast enough that we can't detect it with the human eye. Slow motion slows this down, which you can then see.
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Back in a days i had htc one m7 i never faced such a problem.
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Amar.B said:
Back in a days i had htc one m7 i never faced such a problem.
Sent from my SM-N910G using Tapatalk
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Read this http://www.phonearena.com/news/Your-Galaxy-S7s-slow-motion-video-stutters-You-are-not-alone_id79936
Sent from my SM-N910G using Tapatalk
Amar.B said:
Read this http://www.phonearena.com/news/Your-Galaxy-S7s-slow-motion-video-stutters-You-are-not-alone_id79936
Sent from my SM-N910G using Tapatalk
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Yours isn't doing what theirs was. Theirs STUTTERS, literally loses frames, yours is doing what it's supposed too. Never losing frames. Just capturing the lights flicking on and off. Again, I know what I am talking about.
fenixnr said:
Yours isn't doing what theirs was. Theirs STUTTERS, literally loses frames, yours is doing what it's supposed too. Never losing frames. Just capturing the lights flicking on and off. Again, I know what I am talking about.
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Okay my bad i am not trying to proof anything. But what i see and read it's seems to be a common issue .
Edited.
Sorry I was driving and i replied to you i wasn't clear. So you are saying that the light bulbs are flashing at a similar speed to the camera shutter which is making it flash the Low frequency HZ cause the problem am i right?
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Amar.B said:
Okay my bad i am not trying to proof anything. But what i see and read it's seems to be a common issue .
Edited.
Sorry I was driving and i replied to you i wasn't clear. So you are saying that the light bulbs are flashing at a similar speed to the camera shutter which is making it flash the Low frequency HZ cause the problem am i right?
Sent from my SM-N910G using Tapatalk
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That is correct.
The video you linked is not losing/dropping frames.
If you want it not to flash, use incandescent bulbs. (They do not switch on and off repeatedly.)
Skander1998 said:
That is correct.
The video you linked is not losing/dropping frames.
If you want it not to flash, use incandescent bulbs. (They do not switch on and off repeatedly.)
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Click to collapse
That was a clear answer. Thanks for your help
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Amar.B said:
Hi everyone i just noticed today that slow motion video in low light condition stutters a lot. Is anyone else experiencing the same please do report
Here's the sample
https://youtu.be/W7NV7RZbMcA
Sent from my SM-G955F using Tapatalk
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Click to collapse
My S8+ has stutter / lag on slow motion mode since upgrade to Oreo. It had too much OTA Upgrade but that has not been fixed.
Is there any idea?

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