Face Unlock periodically doesn't work. - Samsung Galaxy Note 8 Questions and Answers

After my last factory reset, my face unlock will just periodically not work. I can hold it right to my face, but it won't unlock. In fact, last time it wouldn't even let me register my face. It gave me an error and told me to restart if the problem persisted. Usually a soft reset will work, but I want to know why this issue keeps happening.

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UNLOCK my device? please help me

My device has been working perfectly till suddenly & without any early notice the device has been locked with some kind of locking.
After reset the device goes into the locked status showed in the pictures, no option to do hard reset,
Tried all options, seems like one of the keys is defective and that’s why can’t perform hard reset.
The device is locked and the 90 minutes limit don’t go down, you can’t do anything.
However if there is a incoming call, you see it on the screen and you can answer the call.
Does anyone familiar with this lock screen ? how do i pass it & relase the device? please advise & help me ....
Try to use ActiveSync and look for suspicious files in \Windows\StartUp.

Password?

so.. I woke up today and looked at my Kaiser and it's telling me to enter a password to unlock it... I never set any password for it.. and I've tried 3 times.. and no luck..
If I continue trying will it lock my phone?
and what caused this?
I just woke up and it was like this.
probably somebody.... got ahold of your phone and set a password on it . I believe u can unlock it by just calling ur phone, or soft reset
No one touched my phone. I always have it on me.. soft reset doesn't work.. I have to take out the battery, but why would it automatically pop up like that? it was fine before I went to sleep.. then when I woke up it says enter password. Ohh.. calls didn't work either.
If you keep trying, nothing will happen, it's not a SIM PIN code, so don't worry about locking your phone. Soft reset won't help.

two problems out of the blue! anyone else?

YESTERDAY my phone locked when i turned hit the power button. i havent used a password device lock since i got the phone months ago so i have no clue how it happened. no passwords would work but i simple soft reset solved the problem.
TODAY i noticed that i didn't have a data connection like usual, since i always have push email running. opened up active sync and all server info was missing.
all i did was a system restore and got everything back to normal.
I have never had any of these problems and i figure i would share them with you in case its a bug of some sort.
every now and then my phone will say its locked; i am unsure if its a button i hit or what; but i then have to use my stylus to be able to hit the small icon that says unlock (or something like that) (it is frustrating when you are driving and the phone becomes lock and you are trying to hit that small icon with you finger to unlock it).
I must say though i have never entered a password for locking nor has my phone required to enter a password when it says it has become locked; but still is wierd that sometimes my phone says its locked and i have to exit out of the lock through the small icon (which is difficult to hit with your finger)......
hello77 said:
every now and then my phone will say its locked; i am unsure if its a button i hit or what; but i then have to use my stylus to be able to hit the small icon that says unlock (or something like that) (it is frustrating when you are driving and the phone becomes lock and you are trying to hit that small icon with you finger to unlock it).
I must say though i have never entered a password for locking nor has my phone required to enter a password when it says it has become locked; but still is wierd that sometimes my phone says its locked and i have to exit out of the lock through the small icon (which is difficult to hit with your finger)......
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your situation is probably that you are holding in the red phone button too long. that will lock the phone. mine on the other hand locks and asks for a password.
You know, I had this today. Got my phone out and the screen was much darker than normal. After a bit of prodding I noticed the left softkey had changed to "unlock".
I have no idea why this happene, though just tried holding down the red button as you said and it did indeed lock. How strange!
Yep. Holding the END key results in your phone locking. I used to use this method to lock my phone before S2U2 did it for me.
I believe pretty recently, someone found a way to re-map holding the END key. Do a bit of searching and I'm sure you'll find it.
FYI- back to the topic. has anyone experienced either situation?

upgraded to lollipop yesterday, phone factory resets in pocket today.

So after upfront to lollipop yesterday. I'm listening to music on my phone, it's off in my pocket. My music stops and disconnects from my Bluetooth. I check my phone only to find it in the middle of a factory reset and all my apps and data are gone. Most of it is recoverable but this is still a nightmare. Has anyone else experienced this?? My phone has a pin so I'm not sure how it got to the factory reset screen. My new apn was set to euinternet after. Any suggestions, should I send it in for service?
braveally said:
So after upfront to lollipop yesterday. I'm listening to music on my phone, it's off in my pocket. My music stops and disconnects from my Bluetooth. I check my phone only to find it in the middle of a factory reset and all my apps and data are gone. Most of it is recoverable but this is still a nightmare. Has anyone else experienced this?? My phone has a pin so I'm not sure how it got to the factory reset screen. My new apn was set to euinternet after. Any suggestions, should I send it in for service?
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Did you have double tap to wake enabled?
Sometimes, I'd find that having double tap to wake while having my phone in my pocket would totally screw with a bunch of random settings like my clock settings in my lock screen etc. Could be possible that your phone somehow factory reset itself in the same way.
It was enabled but still had a pin that I'm surprised if my pocket entered this correctly. Screw tap to wake of this is the reason.
Edit: and now I realize that it also wiped my SD card in the process.
If the unlock PIN is entered incorrectly too many times, a factory reset is performed to make sure your data doesn't end up in the wrong hands. This feature prevents an unauthorized person from systematically guessing your PIN by limiting the amount of retries within a certain period of time. It is built-in to Android and not a Sony feature.
Double tap to wake probably woke your phone up in your pocket and went crazy entering the wrong PIN over and over again until a factory reset was triggered.
Sent from my D5803 using Tapatalk
Blackberrys had a feature where you had to type the word 'blackberry' after 5 incorrect pins to prevent pocket lockouts.
Sent from my D5803 using Tapatalk

Unable to set BIOMETRICS or a new PIN.

I had my S10 in auto restart mode. When I happened to check my mobile in morning it was not ACCEPTING my PIN. Ultimately I had to FACTORY reset my phone. Now the problem is that it is not ACCEPTING any new PIN or BIOMETRICS. With a message saying "SCREEN LOCK WAS ALREADY CHANGED. PLEASE TRY AGAIN WITH THE NEW SCREEN LOCK". ANY SOLUTIONS?
I have the same problem, I have not changed the PIN and now i can't unlock the phone, restart... funny joke
SOLVED: restart the phone (Power and Volume down key for up to 45 seconds.) + factory reset
But i havent saved my data. How could i have it restarted without loosing my data? Help. Ayuda

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