I've just got the HTC One S from Three in the UK, when I went into the Settings>Security>Screen lock there was no option for face unlock. The only options were none, pattern, pin and password.
I had completely forgotten about this feature, until I was scrolling through the all apps list under Settings> Apps. I saw the settings logo and 'face unlock' but when I tried to find it, it was no where to be seen.
I have rebooted the phone a number of times and done a factory reset as well, but it hasn't made any difference. The only thing I could think, potentially, is it's not connected to the internet yet as I'm still waiting three to unlock it. But then again, I can't see how that would make a difference.
I was wondering if anyone else had come across this issue?
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Something strange and unexpected has happened with my Nexus 5... Upon first setting up my device after unlocking it and rooting it, I encrypted the phone before ever adding any of my info or apps to it, full knowing that I would forever have to use a locked screen etc. To side step the annoyance and lack of security that Android has with having the Encrypted boot time password being the exact same as the lockscreen's password I used this app 'Cryptfs Password' to change the boot time password to something much more lengthy and secure, while allowing me to have a standard simplified passcode for simple screen unlocks.
As time went on I found myself in need to wipe the device to troubleshoot an issue I was having with my wifi and wireless tethering no longer functioning properly, I wished to go back to an initial factory state to begin doing restores from Titanium to find the culprit per say and figur eout where I went wrong and borked my ability to toggle wifi.
Upon wiping the phone in TWRP (standard dalvik, cache, and ROM - not system or data) I rebooted and flashed my Titanium Backup.zip and Super USer.zip and then proceeded to set up the device again when I noticed something very odd...
I still needed to enter my previously exact password upon booting the device, however the lock screen no longer any security of any kind!
When I checked in settings this is what I found:
https://i.imgur.com/RR2SFxL.png
Clearly you can see the device is still encrypted however the default "slide" screen lock is now able to be used? Whaaaaat?!?!
Opening the Screen Lock settings menu reveals:
https://i.imgur.com/FtOqUY5.png
I have not yet sleected to change it to a PIN or PASSWORD as I am home and wanted to see if I could gather any other information about this first. I have a feeling that upon changing to a PIN or PASSWORD that I would not be able to change it back again.
Is this a flaw or error of some kind? I do not see any huge security vulnerability, I mean even though this does allow you to bypass the lockscreen, you still need the password at boot to even get into the phone or any Recovery - but this is interesting nonetheless. I was under the impression that it was IMPOSSIBLE to have both device encryption and essential NO LOCK SCREEN?!?!
I have seen threads such as this one: http://forum.xda-developers.com/showthread.php?t=1873700 where it is shown and discussed how to use the pattern lock for example, but this is obviously much different.
Can anyone else replicate this with their own android device?
EDIT:
Was able to find this thread https://groups.google.com/forum/#!topic/android-security-discuss/G4N5pBreyhM
where someone was able to essentially achieve a similar situation by using a 3rd party lock screen....
Great...... Got this message appearing and can't rescan a fingerprint I need to. Can't do anything with the scanner now really. It still works with the prints that are scanned but I've noticed it's unpredictable.
I'm trying not to root this phone as I would like to use Samsung pay when it comes, so don't want to trip Knox. However, if I was rooted I reckon this would be a fairly easy fix. As it is, I can't find a way. I've deleted cache and data for the fingerprint app but it's having no effect. I could factory reset but this started for no reason, so it will start again after a factory reset no doubt.
Did you reboot? What carrier/model do you have?
Clean the button?
Reflash your firmware that should fix it use smart switch
In case this happens to anyone else - I found a fix.
I had enabled developer options and then enabled oem unlock. I had done this as I was going to install TWRP and then root the phone, but decided not to for reasons mentioned in my first post.
Anyway, I disabled oem unlock and developer options and now the scanner works again. Worked for me - hope it works for you.
But oem option not see in my phone s6 edge G925W8
This happened to me before and I spent quite a while googling different ways to fix it with no luck...I had to just wipe and start again. I changed to a pattern lock today whereas normally I go without, however for various reasons I wanted it on. When I have went to change it back to just swipe, its greyed out and says 'disabled by administrator, encryption policy or credential storage'.
I know its not the end of the world but I'm so used to just swiping, so its a bit of a pain. Anyone know how to fix it or will I have to factory reset and start again?
Did you ever figure this out? I just dug up my old p8max and want to use it as a tablet for the kids. Would be nice to not have a pattern, pin, etc...
I'm very surprised that no one else mentioned this problem. As to me, it's a greatest bug of this phone.
Look at the Developer options - Screen lock.
It becomes gray after a couple days of use.
I tried factory reset, changed region and firmware several times, but the result is the same - two or three days, and this switch becomes unreacheable again.
Maybe someone knows how to make it working again?
As in, even after a full reset you can't disable screen lock? or you're resetting, and then after using your phone for a couple days you notice you can't turn it off?
After resetting screen lock is active, and becomes inactive after a couple of days of using.
And I can't find out what app or setting causes this trouble.
Once I had only three apps installed and noticed the same grayed item after a couple of days.
Hext time I checked screen lock just after installing these 3 apps - it was active, so they were not responsible for this.
But it became inactive after installing all the rest apps.
I'm having an issue getting into my lock screen and security settings. Every time I try to open it, it crashes. I can get into every other setting besides lock screen and security. Also can't use the search feature without it crashing. Galaxy S8+here. Anyone know a work around without having to factory reset my device?
LouieC5 said:
I'm having an issue getting into my lock screen and security settings. Every time I try to open it, it crashes. I can get into every other setting besides lock screen and security. Also can't use the search feature without it crashing. Galaxy S8+here. Anyone know a work around without having to factory reset my device?
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strange,
please give more details
I'm having the exact same problem on my s8+. Cannot use search function in settings menu or settings just crashes. Only discovered today actually, that I can't access lock screen and security now. Clicking on lock screen and security causes settings to crash. Have you been able to fix this? I really don't want to have to do a reset.
try safe mode so you can find out if it is caused by an app
If you forgot the login password , you can not access your phone
I'm having the exact same problem. Only noticed after installing bixby and it recommending setting up smart lock from the lock screen and then not being able to get in to the settings. Was working fine when I used it just a couple days ago, not sure if bixby has anything to do with it but have tried wiping cache and safe mode with no luck?
Edit: so just after getting a new firmware update the problem seems to be fixed. Not sure if this was an actual issue with the old firmware or any update would have fixed it.
D-GTI38 said:
I'm having the exact same problem on my s8+. Cannot use search function in settings menu or settings just crashes. Only discovered today actually, that I can't access lock screen and security now. Clicking on lock screen and security causes settings to crash. Have you been able to fix this? I really don't want to have to do a reset.
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So this has actually happened to me 2x. It's effecting my phone currently. The first time it just kinda fixed itself after an update thru T-Mobile. Sucks. Can't use Google Maps or Inbox at all either. So frustrating.
My settings crashes when I go to set "Emergency Alerts" and the Advanced settings in Mobile Hotspot. Wiping cache doesn't help. Anyone else have this happen?