Fingerprint option missing from settings Huawei Nova 3i - Huawei Nova 3i Questions & Answers

Okay first the fingerprint sensor was working pretty fine. A few minutes later, it sometimes work and sometimes don't. After restarting the phone this option has completely disappeared. I tried updating the software to the latest version. The fingerprint option is back in settings but only work for a few minutes then doesn't work at all. I took the phone to the huawei service center and they changed the back cover of the phone. It worked at first, after that it happened what already happened before. It's like nothing has been changed with the device.
Does anyone know what the problem could be? Cause at that center I think nobody knows?. Please help!
Btw sorry if this thread is in the wrong section?

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Fingerprint hardware not available and screen locks itself immediately!

Hi everyone!
I have a OP 2 for more than one and a half years now and never had any issues with it(stayed stock...) until recently. I didnt update the phone to the latest version and was putting it off, and today in the afternoon when I tried to unlock my phone it said the 'Fingerprint hardware is not available' and after unlocking the phone with the pattern, it IMMEDIATELY LOCKS ITSELF BACK !!! after split second it just locks the screen while everything is working like connection, wifi, messages, notifications, etc. but due to this I cannot access anything on the phone, can't go to settings and switch to onscreen nav bar buttons, can't force stop/wipe cache the com.fingerprints.serviceext either, tried restarting it several times, downloaded the update but can't even install it because the phone just locks!:crying: I have no idea what would fix it and I am avoiding a full reset and wipe on the phone(also based on all i have read, dont think it would fix it anyways)
If anyone knows whats the problem or has dealt with it or knows someone who has, please help me out here on how to fix this and what to do. I did not root it or flash custom ROM's on it yet and never had a flip cover or any sort of case so literally don't know why it happened.
Thanks in advance,
Max
Hi
I had the exact same issue with mine, I was on LineageOS and could access the logs so I was able to determine it was an hardware failure.
Went to a repair shop to replace the home button, and Bam it worked again.
If you didn't flash a custom ROM it is likely an hardware issue just like I had.

After Oreo update AOD stopped working

How do I fix this? After updating to Oreo yesterday. My AOD stopped working. I have to restart my phone to make it work and after a few hours it will stop displaying in the screen again.
Anyone experiencing the same issue?
Any workaround for this?
Sent from my SM-G950F using Tapatalk
anyone experiencing the same issue?
I had the same issue. I shutdown and restarted the phone and AOD started displaying so far.
I have the same issue. Have not found a solution anywhere yet.
If I restart AOD works for some time(1-2hrs) and stops working again. Very weird
Just wanted to clarify this with you guys, does AOD consume more batt then switch it off? Sorry if this is a stupid question.
It's so irritating that I have to restart my phone everytime AOD stops displaying. I'm a busy person and I find AOD a very useful feature, i dont have to touch my phone to check the time and notifications.
I will do a factory reset later. I will let you know if the problem still exist.
Sent from my SM-G950F using Tapatalk
My AOD worked all day after I did a shutdown and restart. However overnight it seemed to stop working, when I woke up this morning it was not working. I rebooted and it did not resume. I shutdown and restarted, it did not seem to work right away but after about thirty minutes is started working again.
i have done factory reset and so fat it is working, no issues.. I guess i'll give it a week and see if it will still have issues.
Just found out the cause of this issue.
AOD stops working after I take screenshots using bixby button. (Yep, I remapped my bixby to take a screenshot via bxActions)
Sad I have to disable it. Actually just the single press, i still use the long press as flashlight and AOD seems to be working fine.
Sent from my SM-G950F using Tapatalk
I had the same issue. A reboot fixed it though.
A word to the wise ...
funkybone said:
Just found out the cause of this issue.
AOD stops working after I take screenshots using bixby button. (Yep, I remapped my bixby to take a screenshot via bxActions)
Sad I have to disable it. Actually just the single press, i still use the long press as flashlight and AOD seems to be working fine.
Sent from my SM-G950F using Tapatalk
Click to expand...
Click to collapse
It is always a good idea to do a factory reset after you either do a major OS update (like Nougat to Oreo) or switch carriers to take care of any funky issues like this. It may help you out on this. Just paying it forward.
Cindy
cindylike24 said:
It is always a good idea to do a factory reset after you either do a major OS update (like Nougat to Oreo) or switch carriers to take care of any funky issues like this. It may help you out on this. Just paying it forward.
Cindy
Click to expand...
Click to collapse
Yes I just realzed that. Did a factory reset and my device works like charm. [emoji1303]
Sent from my SM-G950F using Tapatalk
funkybone said:
Yes I just realzed that. Did a factory reset and my device works like charm. [emoji1303]
Click to expand...
Click to collapse
Well that's great!
Cindy
Same problems with my J5 2017 + AOD Installed separately
So yeah, after installing the oreo update I got yesterday, the AOD stopped working. And yeah, the AOD did not come with my j5, but I wanted it so badly. Now, the only worry is that it doesn't work and cannot install the latest version of that. Please help ?
AOD Problem after update
So i found that my AOD isn't showing after the Oreo Update, so i kept on searching for the cause in my Settings and gladly i found the solution.
Go to your Settings- Lock Screen- AOD Settings - Display Mode, switch to Show always.
It was set on "Tap Display " which requires you to tap your screen then shows for 30 seconds, after the update.
Try it! Hoping that this would help some
-Rey

Somebody else having problems with their fingerprint reader?

Hi, first of all I apologise if this question has been asked but I don't know how to search just this place.
I'm using everything stock, no root, stock launcher.
I have my phone set up to ask for the password on reboot. I have my fingerprint reader set up to unlock my phone. I also have the fingerprint reader set up to wake the screen.
However under certain circumstances the fingerprint reader does not unlock the phone. The most reliable way to trigger this behavior is to plug the phone in to charge.
I exclusively lock the screen with the power button.
The fingerprint reader is still responsive and it still wakes the screen but there's no vibration feedback and it does not unlock. After I unlocked the phone with my password and lock it again the reader works again.
So what's going on here? How should I debug this?
After reboot it is normal to ask for password first time. Sometimes i have also seen this but when i unlock with pattern (my backup way) and lock again it works fine. I can not trace this to be related with charging or something else and it happens rarely but i have seen it also. Maybe a software bug.
Looking back to the days when i have LG V10 i remember that i had the same problem with fingerprint sensor not working sometimes. It was more frequently related to heat buildup as it was hot phone anyway.
I had the same problem these days, I think the fingerprint reader won't work if your hands are really cold.
Hmm I don't think my U Ultra is getting particularly hot and, no, my hands are certainly not very cold either. This behavior happens indoors.
It's just extra security plan and simple
Sometimes, not very often though, my fingerprint reader refuses to respond. Not even a misread where you get haptic feedback and not a lot else.
Just using the power button and entering my back up security (pattern in my case) and it comes back to life.
I don't particularly worry about it, but I suppose it's nice to see that it's not just me
Will see if the upgrade to 8.0 fixes it.
I met this problem.The solution was very interesting.I use Yandex.disk app.This problem did occur after the Yandex.disk app is update.I hard reset my phone.The problem was not in my phone.But I setup Yandex.Disk app the problem repeat occur.İf you installed Yandex.Disk, uninstall the application.if you don't use Yandex.Disk,The last apps update uninstall to try.
Good Lord I have so many apps installed though...
Then go to a full factory reset and see if it helps, thats the 1st thing you do when you have problem.
After a bit of experimentation this behavior seems to have stopped after I disabled/removed all Smart Lock Trusted Places -- a feature that is already known to be buggy.
I have it too, once a day it puts me to enter the password, its a security or a bug idk.
No more, no less, every time when its charging. I installed some 3rd party apps, its possible that they are to blame.
We will see when 8.o strikes and i will hard reset.
Garkan said:
I have it too, once a day it puts me to enter the password, its a security or a bug idk.
No more, no less, every time when its charging. I installed some 3rd party apps, its possible that they are to blame.
We will see when 8.o strikes and i will hard reset.
Click to expand...
Click to collapse
8 fixed this bug for me but i found more bugs in oreo so i am thinking to roll back to 7.0 and meet fingerprint sensor bug again because oreo problems are disgusting - car bluetooth does not works as it should - i can't read addressbook in my car head unit - it shows error. i found that is some bluetooth software parts was not included in 8.0 but successfully fixed in 8.1. and i'am pretty sure we will never receive 8.1 for u ultra.
in russian 4pda forum i found some reports (unconfirmed yet) that fingerprint bug disappeared. maybe somebody here can confirmed it?
No i have android 8 and issue still occurs sadly did not found a fix.
I've suddenly had this issue a couple of days ago a couple of times. I didn't do anything (except a couple of reboots) and it was fixed again.
Now after updating to Oreo and again using leedroids ROM, i didn't experience theissue again..
I talked to a htc representative and said to clear credentials from security/encryption and credentials seems to be a conflict in security certificates. For the moment it works.

[FIX] If your home button stopped working

Last week, I took my phone off the charger and noticed that the home button was not working. Did multiple reboots, clean wipes and also reinstalled the stock ROM, nothing worked. Did the *#808# fingerprint test and found that the figerprint sensor was not responding which led me to believe this could be a hardware issue. I did not have the time to go to the service center so I turned on the on-screen navigation bar and used it like this for a few days.
Today, I thought I'd try to sort this out one more time before I take it to the service center. The *#808# fingerprint test still showed the sensor not available. Rebooted the phone and turned the on-screen nav bar off. Lo and behold the home key started working. I do not know how this happened, I'm just glad that it did.
Just thought I'll post here so that if anyone has issues they could try this out and it might help someone.
Cheers.:good:
I got the same problem. My OP5 Home button(with fingerprint scanner) stopped working suddenly. It got stock android since purchase. I never tried to root it. It suddenly became unresponsive. Will try to use nav bar for few days. Im getting ghost touches as well. Any Help appreciated.
Hi. I have the same issue on my op3t, looking for idfeas.
finalmoksha said:
Last week, I took my phone off the charger and noticed that the home button was not working. Did multiple reboots, clean wipes and also reinstalled the stock ROM, nothing worked. Did the *#808# fingerprint test and found that the figerprint sensor was not responding which led me to believe this could be a hardware issue. I did not have the time to go to the service center so I turned on the on-screen navigation bar and used it like this for a few days.
Today, I thought I'd try to sort this out one more time before I take it to the service center. The *#808# fingerprint test still showed the sensor not available. Rebooted the phone and turned the on-screen nav bar off. Lo and behold the home key started working. I do not know how this happened, I'm just glad that it did.
Just thought I'll post here so that if anyone has issues they could try this out and it might help someone.
Cheers.:good:
Click to expand...
Click to collapse
Hi. I have the same issue on my op3t, Oxygeos Version 9.05. My home and recents buttons do not work but fingerprint works fine. I turned on the on-screen nav bar and the home and recents buttons don't work there as well. Turning it off didn't solve anything. Any idea? Thanks
Facing exactly the same issue after upgrade to 9.0.5. home and recent buttons are not working, but fingerprint is working fine. Did you resolve this issue by any chance? if yes, please let me know as well how it was resolved. thanks. -ramesh
Try doing a factory reset, but take a backup before doing that.
Sent from my OnePlus 3T using XDA Labs
I am also facing this issue. It started off with a boot loop into the recovery every time i try to start the phone. It stopped after i cleared cache from recovery, but the default launcher doesnt work properly, no notifications in my drawer, and many other issues. the hardware buttons are responding (it lights up when i tap on it) but the OS doesn't do anything with it. I have tried with switching to the soft keys and it behaves the same way as well. the fingerprint scanner and back button works so far.
i'm having this problem too Got a OP3T, i found out a bit of info, it has to do with the screen, i'm still facing this problem so im gonna buy a replacement screen and see how it goes, ive already replaced the earphone jack board that houses most the flex cable connections and i also replaced the speaker, home button, and the usb c flex cable to no avail. what i haven't tried was to replace the battery and the main/sub flex cable inside. i'd really like a fix for this.
go to Settings -> Apps -> All Apps (ie including System apps)
look for com.android.fingerprint... or com.oneplus.fingerprint...
"Force Stop" it. and go to its storage and "Clear Cache" , "Delete Data" .
Now restart the Phone.
Worked for me on OnePlus3T running OxygenOS 9.0.5.
Phone was also on charging through out the procedure .. I doubt if it would have any significance though.
Good Luck.
I could not force stop this app.
MY SOLUTION
this is what it worked for me with OP5
I deactivated fingerprint, reboot to recovery, wipe cache+dalvik, restart (without fingerprint anymore) and it seems to be working just fine again.
I have observed this issue too in my oneplus 3 with oxygen os 9.0.6 and also in previous releases. The only thing that works for me is just to reboot the phone.
cincauhangus said:
I am also facing this issue. It started off with a boot loop into the recovery every time i try to start the phone. It stopped after i cleared cache from recovery, but the default launcher doesnt work properly, no notifications in my drawer, and many other issues. the hardware buttons are responding (it lights up when i tap on it) but the OS doesn't do anything with it. I have tried with switching to the soft keys and it behaves the same way as well. the fingerprint scanner and back button works so far.
Click to expand...
Click to collapse
I am facing the exact same problem. Have tried all the other fixes/solutions mentioned in this thread except the 'Factory Reset'.
Please let me know what did you finally do to resolve it.
Thanks
Something new? I Have flash Havoc ROM, but problem still exist :/
back button and recent button does not work on mine.
I have to turn on screen navbar..
The home button was not working.. but it started working after i enabled onscreen navbar...
The phone went to frantic vibrate the first time it boot after flashing new rom..
the light can be seen on these 2 non functional h/w key during boot , but then it turn off, then the h/w back and recent key would not function..
I don't even know what happened to this phone...
Guess i'll keep using the onscreen navbar...

lg v20 ls997(sprint version) unlocked. system issue??? please help

ok so ill explain everything step to step (what happened to phone) please someone help me
so i heard that if you disable bloatware apps (like amazon kindle amazon music etc.) phone could get faster and have more free ram. i did disable everything i could and yes phone got faster but week after i noticed that knock on stoped working...
i searched for it and heard that if i restart my phone it would work again. it didnt help. 2 weeks after second screen STOPED RESPONDING when main was off (second screen was on but did t respond it only showed time i couldn't go to quick settings) when main is on i can use second screen normally and it works as it should. then i noticed that knock off still worked and got confused (knock on isn't working but knock on is). i restarted one more time and heres wtf happened. my phone couldn't read sim card ( got locked to sprint again??? or is it software issue because they told me i my phone is unlocked when i talked to sprint agent) the bloatware apps were gone, HOW ARE THEY EVEN GONE THEY ARE PART OF THE SYSTEM YOU CANT DELETE THEM and fb and messenger were disabled even though i didnt disabled them before factory reset. it still has the second screen and knock on issue. phone otherwise phone still functions but i don't have knock code knock on and second screen when main is turned off and i cant call anyone . to be more specific second factory reset that caused all this **** was done with recovery mode. please help ?.

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