[Q] Keeps requiring password/pin - Samsung Galaxy Note 8 Questions and Answers

Ever since the update to Oreo I've been constantly having this issue and it's extremely irritating and can't figure out how to stop it from happening. Basically at least once a day now, sometimes more than once it refuses to use the fingerprint scanner and wants me to enter my password or now my PIN since I switched to the less secure pin just to make it less of a pain everytime this happens and I just want it to go back to working properly so I can have the password again, does anyone know how to fix this issue? It's an unlocked note 8 and it's not rooted or anything, just a stock phone.

It's probably because you're phone has restarted and requires a pin after a restart before it'll use biometrics - It's a problem on Oreo, it's basically just a completely cr*p update that's broken so many things.
Samsung as usual, don't seem to give a stuff!

Nope, it's not a restart that's causing it, that's an entirely different message, especially since the phone's encrypted so the phone won't even start up on a reboot till the encryption password is entered. This is just a it randomly won't accept the fingerprint to unlock, I've turned the phone off then turned it right back on to unlock it and this has happened, 100% certain it had nothing to do with rebooting.
I've read some people saying they had an app that force locked the phone and that causes this and removing it fixed the problem, but I don't have any app that does that.

I have an unlocked note 8 too, I only use iris validation (finger print does not reliably work for me because of my eczema), the only time i have ever encountered this was when the phone went to lock screen while trying to access bio-metric validation (banking app, only ever happened once, i disabled fingerprint after due to unreliability relating to eczema as previously mentioned)

Maybe not the same issue but fingerprint unlock never works for me reliably. I get that message when my fingerprint can't be recognized. I have working hands so often my fingers get knicked, scratched, etc or even just wet causing my fingerprint not register. If I reregister fingerprint with out a perfect fingerprint, after my fingers heal, can't be recognized again. Happened on my Note 5 as well so I stopped using fingerprint to unlock.

Don't think that's the issue for me, I never have any issues with the fingerprint reader normally, it always works great when it actually lets me use it.

Related

[Q] NFC Issues

I have bought and configured many nfc stickers to do the necessary usual tasks for me.
Although i have issues with MotoX reading it, it works sometimes but fails to recognize the sticker many of the times.
When it fails to read the NFC tag/sticker , i restart my phone and it all starts working well for sometime. NFC
Is there some issue with my phone or you guys face the same with your MotoX.
Also if any known solution there then please share.
trojans said:
I have bought and configured many nfc stickers to do the necessary usual tasks for me.
Although i have issues with MotoX reading it, it works sometimes but fails to recognize the sticker many of the times.
When it fails to read the NFC tag/sticker , i restart my phone and it all starts working well for sometime. NFC
Is there some issue with my phone or you guys face the same with your MotoX.
Also if any known solution there then please share.
Click to expand...
Click to collapse
I use nfc tags to unlock my X (on 5.0 Lollipop using Smart Lock) and sometimes it fails. Unlocking my phone with my pin solves the issue for me. The nfc chip sleeps when the screen is off. Seems that there are times when the chip doesn't wake when it should.
Quite possible .. but other mobiles seems to be quick and consistent in picking the tags
I am seeing similar spurious NFC unlock failures. Sometimes, PIN unlock changes to Swipe in the settings on its own. Running stock 5.0, not rooted or unlocked (yet)

LE S3 random reboot itself & fingerprint lost function.

LE S3, unrooted, using nova launcher. Two sim cards: one is ATT, the other is China Unicon(roaming on ATT). Just had the phone about three weeks.
My S3 often reboot itself, during text message, or browsing, or playing youtube, or in some apps, or even it is screen off resting on my desk. I couldn't find a pattern.
I performed factory reset and install about 10 frequently used apps. It has just 1 reboot over last 24 hours. I was cast youtube to chromecast and the phone was screen off and resting.
Another annoying issue is the fingerprint randomly lost function, it refuses my fingerprint. If I tried to add a new fingerprint, it prompted let me clean my finger and fingerprint identifier. Usually a reboot will solve the issue. But sometime it lost fingerprint function after a reboot.
Does anyone have similar experience? what could be the cause of those two issues? Is there any debugging log that can be checked? Should I contact support to get a fix/replacement?
Any help is appreciated!
Thanks.
Replace You're Phone..

Facial recognition issues anyone?

Anyone else getting face unlock issues? It works fine then suddenly stops working. Says it can't recognize a face. If I try to delete and re program the facial recognition, an error shows up saying the feature isn't working and the phone needs to be restarted. After restart, it works fine again. Happens now once daily.
twistanesh said:
Anyone else getting face unlock issues? It works fine then suddenly stops working. Says it can't recognize a face. If I try to delete and re program the facial recognition, an error shows up saying the feature isn't working and the phone needs to be restarted. After restart, it works fine again. Happens now once daily.
Click to expand...
Click to collapse
yes, I am having the same issue though it's perhaps once every three weeks.
I tried clearing the cache and data in the App manager but did nothing.
I am thinking it might be the app that scans for apps and it they are not used within three days it puts them to sleep. But that shouldn't cause it not to even run.
I think this is why Samsung put an option in the settings to auto restart your phone weekly or what not.
Mine acts up once in a while, so just switched back to IRIS. Anyone notice that there is no Preview Screen now? Just text at the top of the screen with instructions. (I like it better without the preview screen, thought it was tacky).
Have had this problem intermittently from day one, on this and another note. It's not so reliable. Fingerprint still the fastest.
Seriously facial recognition is garbage
Sent from my SM-N950F using XDA-Developers Legacy app
there is a setting which lets you make a less secure faster facial recognition. I use this with no problem...

Annoying Pop-Up each time I use fingerprint to unlock my phone.

Hello,
As the title says, I get the pop-up attached to this post each time I use the fingerprint to unlock my device. It appeared one hour after I installed an app called light flow. It doesn't happen when I unlock it with my pin, it only happens with my fingerprint AND when my WiFi is off. I Did a virus scan and of course it came up with nothing. I need help cause it is annoying the hell out of me.
Thanks.
Ok so I came across this:
https://forums.androidcentral.com/g...8-annoying-wifi-scanning-popup-wont-stop.html
Which basically says that disabling WiFi+ will work until Huawei and Google fix the Google play services bug.
Thanks for nothing:highfive:

Fingerprint login randomly disappears

So I've had my ROG Phone 2 for over a month now, and I've noticed something odd about the fingerprint login... About once every two or three days, the fingerprint login stops working (doesn't show up on the lock screen) and I have to login with my pin. As soon as I login with my pin the fingerprint login immediately starts working again. At first I thought my phone must be randomly restarting itself (cause at first login you have to use the pin) but it's not doing that because all my apps are still open when I log in and I never hear the Asus ROG bootup sound. Has anyone else had this happen?
bluegizmo83 said:
So I've had my ROG Phone 2 for over a month now, and I've noticed something odd about the fingerprint login... About once every two or three days, the fingerprint login stops working (doesn't show up on the lock screen) and I have to login with my pin. As soon as I login with my pin the fingerprint login immediately starts working again. At first I thought my phone must be randomly restarting itself (cause at first login you have to use the pin) but it's not doing that because all my apps are still open when I log in and I never hear the Asus ROG bootup sound. Has anyone else had this happen?
Click to expand...
Click to collapse
Same here....I am using 8/128 GB Tencent Variant.
This is a new security feature in the current versions of Android, to insure the correct person is still logging in. I've yet to see a way to bypass it on any phone.
Mr_Mooncatt said:
This is a new security feature in the current versions of Android, to insure the correct person is still logging in. I've yet to see a way to bypass it on any phone.
Click to expand...
Click to collapse
Oh ok! Good to know, at least it's not a malfunction or anything then. It is only mildly annoying so I can live with it.
rOman2205 said:
Same here....I am using 8/128 GB Tencent Variant.
Click to expand...
Click to collapse
Also using the 8gb/128gb Tencent version. As Mr_Mooncatt posted though, I guess this is a new security feature of Android.
I can confirm this is not any fault with your phone.
Even Samsung have this similar thing that when you login few times with fingerprint, then it will all of sudden ask for you to type in your password or pin or w.e you got as second login method.
This is to make sure no one has been able to copy your fingerprint and then using it to keep accessing your device. So once this comes, they will be locked out from your device until they type in your password or pin or so.

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