S8 fingerprint lag? - Samsung Galaxy S8 Questions and Answers

Please have a look at this video as it is driving me insane. Is this lag normal? it doesnt do it all the time and sorry the video isn't the best. The apps seem to reload or "jump". I thought it was just on homescreen but it seems to do it in apps too.
https://youtu.be/RVu2RzM_iW4

Even my S8 lags while unlocking. Sometimes it wont detect my fingerprint. I have registered only my index fingers (each finger has been registered twice, to increase accuracy).
Would be nice if someone suggests a fix to make it better.

Mine does the same thing. It was not a fast fingerprint reader to begin with.

Schwuar said:
Please have a look at this video as it is driving me insane. Is this lag normal? it doesnt do it all the time and sorry the video isn't the best. The apps seem to reload or "jump". I thought it was just on homescreen but it seems to do it in apps too.
https://youtu.be/RVu2RzM_iW4
Click to expand...
Click to collapse
I don't see any lag in the video.
Sent from my SM-G955F using Tapatalk

Mine does exactly the opposite. Its always responsive , faster than iris regognition and it unlocks without having to tap screen or by pressing the power button. Actually one thing i actaully love and its practical a.f si the fingerprint sensor. Even the fact that is positioned on the back.

Here too. It acts like my phone doesn't even know my finger is on the scanner.
It usually works, but sometimes I have to unlock it with the password because of this issue.
Very annoying.

lentm said:
Here too. It acts like my phone doesn't even know my finger is on the scanner.
It usually works, but sometimes I have to unlock it with the password because of this issue.
Very annoying.
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Click to collapse
For me it doesn't unlocks on 1 attempt. It just vibrates.
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thahim said:
For me it doesn't unlocks on 1 attempt. It just vibrates.
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That actually sounds better to me.
Mine just DOESN'T WORK sometimes or unlocks like after 10 seconds.

lentm said:
That actually sounds better to me.
Mine just DOESN'T WORK sometimes or unlocks like after 10 seconds.
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Click to collapse
Try deleting the prints and do them again.
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thahim said:
Try deleting the prints and do them again.
Sent from my SM-G955F using Tapatalk
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Click to collapse
I already tried it several times and the issue comes back.

lentm said:
I already tried it several times and the issue comes back.
Click to expand...
Click to collapse
Might be a hardware problem take it to the dealer
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Related

Waiting time for screen on.

I have tried kj4, kka and sheep rom. All have the annoying long wait after pressing power button intil the screen is lit up. Also tried different CPU governors without result. What is the problem here? And can it be solved?
Is it just me, or do others experience this as a prob?
Sent from my GT-N7000 using Tapatalk
I've got the same rom, but I don't see the problem you described.... try to reinstall the rom.
ps: you should post this under the thread of your rom, without creating a new one
You may have a defective device.
Sent from my GT-N7000 using xda premium
mine is like 2seconds after the bootanimations and stops at samsung logo..fast enough for me
I have the same problem with my note. I just got mine yesterday. No clue as to what's causing it. I updated my firmware to the latest but left the old kernel so i could keep root access. Had the same problem with both the new and the old firmware.
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resistant said:
mine is like 2seconds after the bootanimations and stops at samsung logo..fast enough for me
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Click to collapse
I dont mean at starup, i mean when turning screen on.
Delux9364 said:
ps: you should post this under the thread of your rom, without creating a new one
Click to expand...
Click to collapse
The prob is on all roms.
Delux9364 said:
I've got the same rom, but I don't see the problem you described.... try to reinstall the rom.
Click to expand...
Click to collapse
U have 3 roms on your device????
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Just to clarify the issue here:
When the phone is on but screen has been off for a while, the time between pushing pwr button and until the screen lights up is about 1 second, it may not sound much but it just enough to make one press the button once again. Not what i am used to on my previous androids from HTC.
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Same here. KJ4, stock KKA and sheep KKA. It is annoying indeed...
Probably a user experience thing, you guys who claim to NOT have the issue:
Can you lock the screen and wait for like 10 mins and then on the screen again and time the delay from button press to screen light-up?
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pjm77 said:
Same here. KJ4, stock KKA and sheep KKA. It is annoying indeed...
Click to expand...
Click to collapse
Where do you come frome? I mean are u used to Samsung devices or something else?
I am judging this by my 2 previous HTC's whith all kinds of different Roms where I have never seen this.
My thought is that it is on all notes but some people does not see it as a problem but you and me do.
nemoshotyany said:
I have the same problem with my note. I just got mine yesterday. No clue as to what's causing it. I updated my firmware to the latest but left the old kernel so i could keep root access. Had the same problem with both the new and the old firmware.
Same questions 4 u.
Sent from my GT-N7000 using XDA App
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Click to collapse
Sent from my GT-N7000 using Tapatalk
Sent from my GT-N7000 using Tapatalk
I am having the same issue. Takes 1-2 seconds until the device is fully powered up from standby...
I think I figured out the issue. I disabled weather on the lock screen and now my phone comes straight on. Maybe everyone with the issue can try that and see if it works for them?
Confirmed, getting rid of the weather on the lock screen gets rid of the lag
I'm having the same prob. I'll try removing the weather app and see if that helps.
Great no I cant remember how to remove it. help
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getmouse said:
I'm having the same prob. I'll try removing the weather app and see if that helps.
Great no I cant remember how to remove it. help
Sent from my GT-N7000 using xda premium
Click to expand...
Click to collapse
Settings, Display, Screen Display, and uncheck weather.
Nope still does it, 2sec delay.
snyggsomfan said:
I have tried kj4, kka and sheep rom. All have the annoying long wait after pressing power button intil the screen is lit up. Also tried different CPU governors without result. What is the problem here? And can it be solved?
Is it just me, or do others experience this as a prob?
Sent from my GT-N7000 using Tapatalk
Click to expand...
Click to collapse
nope mine is snap on... did u try turning off display animations? if not try it
This was there even on the s2..
yea, mines also has the same 1-2 sec delay. no weather on lock screen. found it odd, cause i've only had HTC phones so far, and never saw this.
Samsung don't use early_resume in the kernel, that Seems To be more qualcomm Related code.
It's that Code that gives you instant screen resume on the HTC devices et al.
I found this a niggle on the note as well, but have got Used to it,especially compared to amount of work it would take to fix it.

Keyboard lag

Does anyone else experience extreme keyboard lag? Even on my old Galaxy Nexus it wasn't this atrocious. Have yet to try another keyboard.
Sometimes when it lags this horrible repeating happens and words words are repeated multiple times. I think think it think it has think it has something to do with the auto correct lagging behind. See?
Sent from my SM-N900V using Tapatalk
danjng said:
Does anyone else experience extreme keyboard lag? Even on my old Galaxy Nexus it wasn't this atrocious. Have yet to try another keyboard.
Sometimes when it lags this horrible repeating happens and words words are repeated multiple times. I think think it think it has think it has something to do with the auto correct lagging behind. See?
Sent from my SM-N900V using Tapatalk
Click to expand...
Click to collapse
you could try resetting settings see what what happens happens
Haha I appreciate the response and the humor. I tried clearing the data for for the keyboard but I'm still running into the same problem. The only way that I can get around it is to slow down my typing speed. Annoying.
I tried using the Google Google keyboard Google keyboard as Google keyboard as well Google keyboard as well and encountered the same results.
Argh!
Sent from my SM-N900V using Tapatalk
danjng said:
Haha I appreciate the response and the humor. I tried clearing the data for for the keyboard but I'm still running into the same problem. The only way that I can get around it is to slow down my typing speed. Annoying.
I tried using the Google Google keyboard Google keyboard as Google keyboard as well Google keyboard as well and encountered the same results.
Argh!
Sent from my SM-N900V using Tapatalk
Click to expand...
Click to collapse
try swiftkey there is a free one one
if you you still get the same same looks like a a a factory reset reset
jaythenut said:
try swiftkey there is a free one one
if you you still get the same same looks like a a a factory reset reset
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Click to collapse
Haha it seems to have gone away on its own. Not sure why or how, but it's gone. I did notice that CPU spiked during those instances but I wasn't able to put my finger on what was causing that.
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danjng said:
Haha it seems to have gone away on its own. Not sure why or how, but it's gone. I did notice that CPU spiked during those instances but I wasn't able to put my finger on what was causing that.
Sent from my SM-N900V using Tapatalk
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Eh it comes back randomly. Really unsure unsure as unsure as to unsure as to what unsure as to what actually unsure as to what actually causes unsure as to what actually causes the unsure as to what actually causes the issue. Definitely Definitely very irritating.
Sent from my SM-N900V using Tapatalk
danjng said:
Eh it comes back randomly. Really unsure unsure as unsure as to unsure as to what unsure as to what actually unsure as to what actually causes unsure as to what actually causes the unsure as to what actually causes the issue. Definitely Definitely very irritating.
Sent from my SM-N900V using Tapatalk
Click to expand...
Click to collapse
Try factory reset reset

Chop for flashlight not working

I was messing around and trying this but it don't work on mine even know its activated in the menu anyone else have this problem
Sent from my XT1575 using XDA Free mobile app
shibby80 said:
I was messing around and trying this but it don't work on mine even know its activated in the menu anyone else have this problem
Sent from my XT1575 using XDA Free mobile app
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It takes a few chops to get mine to work...its not very consistent.
I thought the same thing but it was just my technique. I was doing it much slower than needed. Now that I do the double chop quickly and with more force, it works every time. I'm not sure if you are doing it the same was I was. Try to do it faster. IBthatswhatshesaid.
zombicidal maniac said:
I thought the same thing but it was just my technique. I was doing it much slower than needed. Now that I do the double chop quickly and with more force, it works every time. I'm not sure if you are doing it the same was I was. Try to do it faster. IBthatswhatshesaid.
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Click to collapse
That's it...go figure. I'll have to use this feature conservatively or I will end up throwing the phone on accident. Its not if, but when haha.
brholt6 said:
It takes a few chops to get mine to work...its not very consistent.
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Click to collapse
It works fine once you learn the motion
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TrenchKato said:
It works fine once you learn the motion
Sent from my XT1575 using Tapatalk
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Ya, figured that out (post right above yours). Im going to need a strap like they have on the Wii controllers.
brholt6 said:
That's it...go figure. I'll have to use this feature conservatively or I will end up throwing the phone on accident. Its not if, but when haha.
Click to expand...
Click to collapse
This.
Be careful with your phone, better safe than sorry :laugh:
The trick is to keep the phone in your hand level, and not 'dip' the phone down as you chop. Literally imagine you are karate chopping a piece of wood - you would keep your hand vertical as you did it. Took me a few goes to realize, and a few mis-opens of the camera app. I was like 'noooo moto, what are you doing' as my wife laughs at me.
I have a hard time activating it too.... You have to hold it completely straight up and down and not rotate it at all when "chopping" it. I get it to work about 30% of the time. I'm sure after I do it (a lot), I'll get the hang of it.
Just like some phones that have "Double tap to wake", they usually take me a few weeks to get it down......Then it's 2nd nature.
@zombicidal maniac - NICE avatar!
I can see it now...keys get dropped on the CONCRETE driveway in the dark...chop-chop and the phone smashes WITH ADDED FORCE right on the driveway...the horrible sound of glass breaking, and metal crunching, and that sickening sound of the whole unit bouncing and sliding under the car.
No thanks...I will use an easier (safer) way to turn on the flashlight! :cyclops:
Finally got it to work a few times
Sent from my XT1575 using XDA Free mobile app
They say " chop an onion"
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Sent from my XT1575 using Tapatalk
Tfast500 said:
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Click to collapse
Well said
I finally got it right. What was throwing me for a loop was the animation on the activation page. If you chop at the pace shown, it will NOT activate the flash light. You have to chop faster. Just my observation.
When you chop your phone does it sound like something is loose in there? Mine does, it is also sounds like something is loose when it vibrates. Hopefully you guys experience the same thing.
I have to chop super fast and multiple times, so much easier to turn it on manually.
Chopping downward with the phone vertical is heavily inconsistent. What I've found is almost always reliable is doing a chop sideways with the phone horizontal (screen facing upward). Give it a try.
Sent from my XT1575 using XDA Free mobile app

on screen buttons laggs

i am using on screen buttons on my Opt. and the home button is lag as hell. some times it takes two times to press to make it work
here is a picture http://jpg.co.il/view/56c47abf653fb.jpg/
idoguy said:
i am using on screen buttons on my Opt. and the home button is lag as hell. some times it takes two times to press to make it work
here is a picture http://jpg.co.il/view/56c47abf653fb.jpg/
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Click to collapse
Is that ApeXperia??? I had that problem. Reboot should solve or flash again.. Take back up though.
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krishna442 said:
Is that ApeXperia??? I had that problem. Reboot should solve or flash again.. Take back up though.
Sent from my ONE A2003 using Tapatalk
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Click to collapse
I am using oxygen 2.2.0 with nova launcher
idoguy said:
I am using oxygen 2.2.0 with nova launcher
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Click to collapse
Oh... Might be a launcher/oxygenos issue. Do the regulation thing, wipe cache and data and check.
Sent from my ONE A2003 using Tapatalk
Doenst help. i did some resarch a it is a common issue. i had to disable the fingerpring scanner now everything back to noraml.
yeh, I got this problem, too, on O2 stock or Skydragon O2, I don't like H2 so didn't try H2 yet
it seems disabling the FP sensor is a workaround but we bought a phone with FP scanner and we don't use it? nah
Still looking for an answer

Unresponsive notification shade

https://youtu.be/vxmW0Cp703s
Still no idea how to replicate it. Seems to happen randomly. I usually have to turn off and on the screen to get it working again.
Sent from my SM-G935T using Tapatalk
exzacklyright said:
https://youtu.be/vxmW0Cp703s
Still no idea how to replicate it. Seems to happen randomly. I usually have to turn off and on the screen to get it working again.
Sent from my SM-G935T using Tapatalk
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Click to collapse
Strange issue, in thinking it could be the screen protector, or maybe you have all in one gestures enabled or a similar app that allows you to tap on statusbar for something. , or could just be defective. That's all I got. There was an awesome update today for T-Mobile
It fixes screen sensitivity and palm rejection as well as battery and performance upgrades. Its a great update but don't take it if you are gonna want root because they might find a vulnerability on the old software. Or maybe they find it on later software. No one really knows right now. Its up to u but I upgraded. Its worth it to me.
sent from the sm-g935t unrootd.
Some guys on Reddit said it could be cerebrus. Status lock messes with it
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