[Q] Cannot disable face unlock, wrong pin - LG Optimus L9 P760, P765, P768, P769

When face unlock does not work on my stock ics LG Optimus L9 I just enter my pin and all is well.
I decided to remove face unlock and pin unlock and change to swipe to unlock. When I go into settings, I tap on lock screen, then on select screen lock. It asks for my pin, i enter it and hit next, it says "wrong pin"
I know it's not the wrong pin because I unlock my phone with it 20 times a day. I always use the same pin for years. It seems like a bug but it sucks because now I am stuck with face unlock.
Is there anyway around this or has anyone else experienced this problem?
thanks

Hard reset
chrismcnally said:
When face unlock does not work on my stock ics LG Optimus L9 I just enter my pin and all is well.
I decided to remove face unlock and pin unlock and change to swipe to unlock. When I go into settings, I tap on lock screen, then on select screen lock. It asks for my pin, i enter it and hit next, it says "wrong pin"
I know it's not the wrong pin because I unlock my phone with it 20 times a day. I always use the same pin for years. It seems like a bug but it sucks because now I am stuck with face unlock.
Is there anyway around this or has anyone else experienced this problem?
thanks
Click to expand...
Click to collapse
Do a HARD RESET. It will solve your problem.

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Still can't get faceunlock

I've got cyanogenmod 12.1 with android 5.1.2. Normally I use a PIN to unlock my phone but when I'm at home I'd like to just use my face. This doesn't work because I can't get the option for faceunlock.
In Settings -> Lock screen -> Smart lock, trusted faces is on
but in 'choose lock screen', it's not there
and 'Smart lock (Google)' is enabled
Questions:
How do I get faceunlock to work?
How can I use a PIN, except when I'm at home when I want to use faceunlock? I tried setting up trusted places but it didn't work.
imgoingtowin said:
I've got cyanogenmod 12.1 with android 5.1.2. Normally I use a PIN to unlock my phone but when I'm at home I'd like to just use my face. This doesn't work because I can't get the option for faceunlock.
In Settings -> Lock screen -> Smart lock, trusted faces is on
but in 'choose lock screen', it's not there
and 'Smart lock (Google)' is enabled
Questions:
How do I get faceunlock to work?
How can I use a PIN, except when I'm at home when I want to use faceunlock? I tried setting up trusted places but it didn't work.
Click to expand...
Click to collapse
Face unlock is a part of smart lock. Since it's not as secure as pin or password Face unlock (and other unlock methods like trusted place) should be used with a pin or password.
If face unlock is switched on under smart lock and configured. That's mean it's working. To confirm it's working lock with the power button and unlock. Then at the bottom instead of a padlock symbol you will see a small face icon. That means the camera is on and searching for your face.
http://androidwidgetcenter.com/android-tips/enable-face-unlock-android-5-0-lollipop/
Smart unlock methods stops working if u lock your phone using 3rd party apps. Instead of the lock button.
IreshS said:
Face unlock is a part of smart lock. Since it's not as secure as pin or password Face unlock (and other unlock methods like trusted place) should be used with a pin or password.
If face unlock is switched on under smart lock and configured. That's mean it's working. To confirm it's working lock with the power button and unlock. Then at the bottom instead of a padlock symbol you will see a small face icon. That means the camera is on and searching for your face.
http://androidwidgetcenter.com/android-tips/enable-face-unlock-android-5-0-lollipop/
Smart unlock methods stops working if u lock your phone using 3rd party apps. Instead of the lock button.
Click to expand...
Click to collapse
You're linked to instructions didn't work.
Link worked for me. As explained face lock is now an additional unlock method, you need set a primary one first (pin, pattern, password). Then you can select to use trusted face. I have a pattern lock but if the phone recognises my face when I wake it I can just slide to unlock without enter pattern as it recognises me.

Device security does not work - can get in without entering my pin - need help

I have a Galaxy Grand Prime with PCS Metro. I set up a pin number (4 digit code) as my lock so nobody can get into my phone unless the code is entered.
HEre is the issue - If I tap the side button it asks for the pin. If I tape the middle button on the bottom of the phone and then select the lock and swipe up it asks for the pin. However if I select somewhere on the screen above the little lock symbol and then swipe up the phone openes with no need for a PIN.
I tried a password as well and teh same thing happened. I have no idea why this is but my phone is not locked in any way shopw for form.
Hoping somebody can help me fix this issue.

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