[I9505] xxuamdm locked after voice call end - Galaxy S 4 Q&A, Help & Troubleshooting

I have a pin code lockscreen due to exchange policy which ive set to 30 minutes delay. Usually works well however after a phone voice call if the screen is off due to proximity sensor the pin code lock is enforced immediately.
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seilat said:
I have a pin code lockscreen due to exchange policy which ive set to 30 minutes delay. Usually works well however after a phone voice call if the screen is off due to proximity sensor the pin code lock is enforced immediately.
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Nothing new here ... always been same on my SGS2

Actually there is something new. On s2 and s3 the delayed lock 30 minutes didnt work. On s4 it does work except in this specific case.
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Related

Delays and lags

It takes a good few seconds
- Pressing the home button to wake up the screen
- calling someone
- answering the phone
- when a call is disconnected
Is this common?
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What r u guys doing with your devices. I just did everything on your list and no lag. The only thing that happens is after a call ends, theres another screen that pops up with call back/videocall/message. Ive been running my device for 2 days now with zero problems.
Out of sudden there are so many thread about delay and lag. LOL. Never experience before with my device. Wonder what you all did. Hmm..
I didn't do anything. It was like this out of the box
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Ask for exchange? Haha
Try a hardreset.
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Problem unlocking N7?

Has anyone gotten this problem? Sometimes, when I try to unlock my Nexus 7, it doesn't actually unlock and turns off the screen. This happens several times before it finally does unlock. (Sometimes you have to activate Google Now before it will unlock) I would like to report this to Google but I am unsure how to do that by email. Just wondering if anyone else had this problem too. Thanks!
Surely someone must have had this problem too.
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Nope, are you on a custom ROM or kernel?
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No, not even rooted. It seems to happen most frequently with third party apps.
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Maybe it is a problem with the third party app? ...
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I've noticed it especially with skpye, but it has happened with stock apps like chrome and gmail too.
EDIT: just had it happen with the Twitter app. It seems it goes to sleep earlier than it should when the unlocking problem happens.
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I had the same issue. Let me guess...you have a folio case with the magnetic smart cover feature?
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No problem here...
I also at times have problems with the unlock screen.
The lock screen at times is just in a frozen state.
To fix I press the power button to turn of the screen and hit it again to turn back on the screen.
The lock screen then functions as usual.
Note: This happens even when I have no apps open.
Well as it turns out, a lot of the folio cases with the sleep/wake function use magnets that are too powerful. When the case is folded all the way back, the magnet is activating the sleep function. I almost sent my tablet in for RMA but then I realized it was the case. If it happens again, just let the flap hang and you should be able to unlock your device hope I helped.
Vugari said:
Well as it turns out, a lot of the folio cases with the sleep/wake function use magnets that are too powerful. When the case is folded all the way back, the magnet is activating the sleep function. I almost sent my tablet in for RMA but then I realized it was the case. If it happens again, just let the flap hang and you should be able to unlock your device hope I helped.
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I do not have the smart case and I have a frozen lock screen issue.
LCD often has wake up lag.
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I have a folio case. Never thought that could be the issue. I'll try letting it hang freely from now on. Could someone tell Google about this so they can release an update to fix it? (since people without the case are having the same issue)

4.2 lock screen bug (music controls)

Is it just me? Or is anyone else having problems with music controls on the new lock screen in 4.2. when I resume a song from play music in the lock screen the the camera gets mixed in with the lock screen and the volume goes to maximum for a second then returns to normal. Its done it a few times now.
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Mine just covers the unlock button sometimes, just a new software thing, it will be fixed
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Yea that's sort of what mine dose plus the outburst of sound when I've got earphones in
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I had this happen just a little bit ago at the gym. It almost seemed like it locked up. I was able to launch Google now and get to the main screen though. Hopefully they add an on/off button for the lock screen widgets, I won't ever use them so it would be nice to disable them.
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Disable Lock Screen Camera and Widgets
Found an article by Droid Life about Lockscreen Policy, an app created by Chislon Chow.
Been using it for a couple days. It is free and seems to work perfectly fine. Did not even need root privilege. The effect is not "permanent" in that if you disable/freeze or uninstall it, the widgets come right back, and you'll have to reboot before they can be removed again.

[Q] Stuck after phone call

I bought a Nexus4 a couple of weeks ago. I constantly got this issue, it will be stuck and not return to the normal screen even I keep pressing the power button. However, if the other side of the call hangs up quickly, it normally works fine. but if it is directed to a voice mail box, it will be stuck forever until I shutdown the phone.
Just wondering has anyone experienced the same issue ?
Have you put a screen protector on it?
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It sounds like the proximity sensor on your phone is being blocked you might want to try not using your case and see if its make any difference
nuclearmonkeyuk said:
Have you put a screen protector on it?
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Turns out the screen protector is the evil.
Thanks a lot!

Change lockscreen method.

Hi,
Not sure I'm writing the right place.
-Sorry...
Is there a way to change the way you lock the screen ?
I stead of one single push on the power button, I could really use something like 2 press...
I keep locking the screen by accident when I fooling around , or if I'm in a store and buying my coffee for free (7 eleven, using a app with a QR code..) and the staff accidentally lock the screen - I will lose that QR code, cause I only have 2 min to use it, when the staff press "show code"..
Soooo...
Is it possible to tweak/hack/nuke it ?
-FYI, only had the S4 for about a month, and only got rooted
-again, if I'm in the wrong place, I'm really sorry..
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Still nothing ?
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