Slow Fingerprint unlock after April update FIX - Samsung Galaxy Note 9 Guides, News, & Discussion

So, after April update I my fingerprint sensor unlock went from <1s to +3s.
If you are experiencing the same issue disable Lift to Wake and re-enable again.
Hope this helps :highfive:
P.S I ended up disabling Lift to Wake because after restart I had the same lag again.

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Fingerprint Scanner Issue

Has anyone noticed a issue with the fingerprint scanner just not working? I have had it twice. I have a friend on a S8+ with the same issue. It requires a restart to fix it.
Yeah, it happened to mine when I went to the gym. My phone was a little wet from sweat and it would not work. A quick reboot fixed it. A little annoying, something that will hopefully get squashed.
I had this issue for a few days, but I don't think I've had issues after I updated. Since I updated, when I thought it wasn't going to work, I'd either slightly change my finger position or hold my finger on the sensor longer, and it would unlock. It's just a crap location lol.
I had the same issue. I did some research and found that dialing *#0*#, clicking on sensor, then scrolling to the bottom under FingerPrint test and clicking normal scan seems to have helped. I haven't had the issue since and it's been a few days.
I had to turn the swipe down for notifications w/ fingerprint to get it to work again.
Happened yesterday, after I touched it with a wet finger. Restart fixed it.
I am having the same issue
Sent from my SM-G950U using Tapatalk

Screen wake up time has increased significantly

After the latest update (.140) I have noticed that the fingerprint sensor has slowed down awfully. It takes like 2 seconds to unlock. But it seems to be snappy if you manually turn on the screen and then unlock.
Meaning the screen wake up time is the issue here. It won't just wake up as soon as I press the fingerprint sensor. And it's getting super annoying.
Has anyone else noticed this issue?
Model : COR - AL00
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Update : As I suspected it's not the fingerprint sensor after all, it's the screen itself. The screen is taking much longer to wake up, even when I try by pressing the lock button it takes a significant amount of time to wake the device up and turn on the screen, is anyone experiencing this issue?
Sakshat Shinde said:
After the latest update (.135) I have noticed that the fingerprint sensor has slowed down awfully. It takes like 2 seconds to unlock. But it seems to be snappy if you manually turn on the screen and then unlock.
Meaning the screen wake up time is the issue here. It won't just wake up as soon as I press the fingerprint sensor. And it's getting super annoying.
Has anyone else noticed this issue?
Model : COR - AL00
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Click to collapse
I am on the latest update (.140) on Cor Al-00.
I do not face such an issue and did not face it even on the (.135).
Try to update then check again.
tsameer14 said:
I am on the latest update (.140) on Cor Al-00.
I do not face such an issue and did not face it even on the (.135).
Try to update then check again.
Click to expand...
Click to collapse
Oh sorry I just noticed, I'm on .140 not 135
YES, I have the same issue
i am on .140.. facing no issue.
I think there's a new update (.141) let's wait and see if that fixes our issue.
Mine it's pretty snappy
Sakshat Shinde said:
After the latest update (.140) I have noticed that the fingerprint sensor has slowed down awfully. It takes like 2 seconds to unlock. But it seems to be snappy if you manually turn on the screen and then unlock.
Meaning the screen wake up time is the issue here. It won't just wake up as soon as I press the fingerprint sensor. And it's getting super annoying.
Has anyone else noticed this issue?
Model : COR - AL00
--------------------------------------
Update : As I suspected it's not the fingerprint sensor after all, it's the screen itself. The screen is taking much longer to wake up, even when I try by pressing the lock button it takes a significant amount of time to wake the device up and turn on the screen, is anyone experiencing this issue?
Click to expand...
Click to collapse
It is the face unlock. The phone processes the face first before waking screen in order to skip the lockscreen after unlock. Disable it if it bothers u too much and it will be normal again

How to turn off fingerprint scanner activating on lift after new update?

Anyone know if there's a way to disable the fingerprint scanner activating any time I pick up the phone now? Never did that before the update, it's pretty annoying. Already have lift to wake turned off, but that doesn't fix it. Went through every setting and didn't see a way to fix it. And it's not the lift to wake option, the whole screen doesn't turn on, just the fingerprint scanner and icon. Seems to be making my battery life way worse.
paulson64 said:
Anyone know if there's a way to disable the fingerprint scanner activating any time I pick up the phone now? Never did that before the update, it's pretty annoying. Already have lift to wake turned off, but that doesn't fix it. Went through every setting and didn't see a way to fix it. And it's not the lift to wake option, the whole screen doesn't turn on, just the fingerprint scanner and icon. Seems to be making my battery life way worse.
Click to expand...
Click to collapse
Because Blu cust support has not duplicated it, others with update didn't duplicate it.
Makes it seem like just your phone.
Did you try to factory reset it.
Fully. Remove saved fingerprint remove accounts,
Reboot to recovery and do factory reset. Setup phone again
paulson64 said:
Anyone know if there's a way to disable the fingerprint scanner activating any time I pick up the phone now? Never did that before the update, it's pretty annoying. Already have lift to wake turned off, but that doesn't fix it. Went through every setting and didn't see a way to fix it. And it's not the lift to wake option, the whole screen doesn't turn on, just the fingerprint scanner and icon. Seems to be making my battery life way worse.
Click to expand...
Click to collapse
Late reply I know but I found out how to disable this option.
In the settings go to:
Display->Ambient Display
Turn off the option for New Notifications.
I have no idea why it is called this as new notifications (SMS at least from my quick test) still wake the screen,but the fingerprint sensor no longer shows when you lift or move your phone. Completely mislabeled but hey at least you can turn it off.

Face unlock not working when screen off

Anyone else having this issue? I have to either tap phone or tap power button to get screen to turn on, then face unlock will work. Previously I would be able to just hold it up to my face with screen off and it would just unlock. After most recent update it no longer does this. Very frustrating.
Check maybe lift to wake phone is turned off in the settings.
cwburns32 said:
Anyone else having this issue? I have to either tap phone or tap power button to get screen to turn on, then face unlock will work. Previously I would be able to just hold it up to my face with screen off and it would just unlock. After most recent update it no longer does this. Very frustrating.
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Click to collapse
Mine was doing that too...along with auto brightness stuck and the proximity sensor wasn't turning the screen on and off during calls. As a last resort before sending it back (since I had to wipe it anyway) I tried the first android 11 beta (not 1.5). It almost completely fixed everything but the proximity sensor. Still had to occasionally tap the phone or power it on to face unlock though. Google replaced it because of the proximity sensor. The replacement phone is working fine on latest update of 10
redskykiter said:
Mine was doing that too...along with auto brightness stuck and the proximity sensor wasn't turning the screen on and off during calls. As a last resort before sending it back (since I had to wipe it anyway) I tried the first android 11 beta (not 1.5). It almost completely fixed everything but the proximity sensor. Still had to occasionally tap the phone or power it on to face unlock though. Google replaced it because of the proximity sensor. The replacement phone is working fine on latest update of 10
Click to expand...
Click to collapse
Good to know. Haven't wiped just yet, may do what you did there.
cwburns32 said:
Good to know. Haven't wiped just yet, may do what you did there.
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Click to collapse
I really didn't have ANY bugs that I found with beta 1....read 1.5 has some issues. Is your proximity sensor working? I used androsensor to confirm
edit I did wipe face data before erasing
redskykiter said:
I really didn't have ANY bugs that I found with beta 1....read 1.5 has some issues. Is your proximity sensor working? I used androsensor to confirm
Click to expand...
Click to collapse
My prox sensor is working fine. It just won't face unlock with screen off. Turned on lift to check phone and now screen wakes without me having to do anything but still, there was a time where I had that feature off and face unlock would unlock with screen off
cwburns32 said:
My prox sensor is working fine. It just won't face unlock with screen off. Turned on lift to check phone and now screen wakes without me having to do anything but still, there was a time where I had that feature off and face unlock would unlock with screen off
Click to expand...
Click to collapse
I never had lift to wake off. That sounds like a solution to me
redskykiter said:
I never had lift to wake off. That sounds like a solution to me
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Click to collapse
Yah maybe I am just imaging things idk hahah lift to wake works, along with various other setting so not a huge issue. Thanks

Question Fingerprint sensor unresponsive after update

I'm running MIUI 12.5.6, and since the last update the fingerprint sensor has become temperamental.
Previously, just touching my thumb to the power button would unlock the screen.
Now it will sometimes unlock, but other times I actually have to click the button.
Anyone else experiencing this?
Thanks
Try unregistering and registering from scratch.

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