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My screen randomly turns on and sits at the lock screen for a few seconds for no apparent reason. There are no pending notifications, etc. I assume there might be a rogue app causing this, but I don't have that many installed and even less apps doing any background tasks. Any idea on how to find the culprit?
I found this bug report where some apps are mentioned, but I'm not running any of them.
https://code.google.com/p/android/issues/detail?id=39625
On the Galaxy Nexus this issue was sometimes caused by a flaw in the micro-USB connector. I sincerely hope that is not the case with the Nexus 4.
I noticed that the phone wakes up whenever it reconnects to Wi-Fi. I was changing some router settings last night and I constantly saw the phone waking up shortly after the router rebooted. However, this is not the only scenario where it does it.
Mine has done the same, no idea why, only seen it the once, but it certainly happened, sitting three feet away from me, and suddenly Bingo! its on.
Mine wakes every few minutes. Certain apps (tasker, facebook etc) and syncing seem to cause it to happen more often but even if I disable most apps it still happens. I've been unable to identify the source with better battery stats. It happens bone stock and on CM10.1. I'm still getting better battery life than my GNexus but it's maddening.
Mine too. It will do it a few times in succession then be still for a while before starting again. No apps open and google sync off.
ludovicien said:
Mine too. It will do it a few times in succession then be still for a while before starting again. No apps open and google sync off.
Click to expand...
Click to collapse
So my Nexus 4 doesn't want to go to sleep.
- I have sleep set to 15 seconds
- Dream is off (just in case)
It just stays on. It doesn't matter if it's on the the lock screen or at the home screen. I'm guessing some app is keeping it awake. It just started last night, but I don't think I have installed any new apps. Maybe it from an update.
solved
My phone's screen also used to wake up randomly. it was very annoying, especially at midnight
finally, I found out the reason by using "Wakelock detector" app which is freely available in market.
here is XDA thread about WLD: WLD at XDA Thread
the cause of problem was ad Notification, it was holding "full wakelock" (you can see it in screenshot)
good Luck!
Refer Wakelock Detector at XDA
Ramdom screen wake up issue solved
Dear all,
I was experiencing random screen wake issue in my XOLO PLAY smartphone.
The problem was with the AppLock software. After upate is this issue appreard. Earlier AppLock was there and no issue was experienced.
I am writing to AppLock team to fix the bug.
:angel:
All the best
Regards
nitin5062
hcedillo said:
On the Galaxy Nexus this issue was sometimes caused by a flaw in the micro-USB connector. I sincerely hope that is not the case with the Nexus 4.
Click to expand...
Click to collapse
U made an account to post THIS only?
Dear all,
a few days ago I started again using Cyanogenmod, first latest stable (10.1.2) and today also latest nightly.
In Settings lockscreen is enabled with cLock-Widget, till now I tried normal unlock (move only), pattern, PIN and Password but in 90% of all cases, if I switch of my Nexus with Power, it is NOT locked. Pressing Power again, after a few seconds, minutes or just hours still show homescreen oder latest app which was open. Same if I do not use Power but waiting for automatic Lockscreen.
Do anyone has the same problem or just know how to fix that?
sc4ry said:
Dear all,
a few days ago I started again using Cyanogenmod, first latest stable (10.1.2) and today also latest nightly.
In Settings lockscreen is enabled with cLock-Widget, till now I tried normal unlock (move only), pattern, PIN and Password but in 90% of all cases, if I switch of my Nexus with Power, it is NOT locked. Pressing Power again, after a few seconds, minutes or just hours still show homescreen oder latest app which was open. Same if I do not use Power but waiting for automatic Lockscreen.
Do anyone has the same problem or just know how to fix that?
Click to expand...
Click to collapse
What are your settings for under Security for:
"Automatically Lock after ## after sleep" and do you have "Power button instantly locks" checked?
clockwork58 said:
What are your settings for under Security for:
"Automatically Lock after ## after sleep" and do you have "Power button instantly locks" checked?
Click to expand...
Click to collapse
standard was automatically after suspend, but i tried both settings now and nexus wasn't locked after both
I just went back and used Widget Locker again, no more problems with that.
sc4ry said:
Dear all,
a few days ago I started again using Cyanogenmod, first latest stable (10.1.2) and today also latest nightly.
In Settings lockscreen is enabled with cLock-Widget, till now I tried normal unlock (move only), pattern, PIN and Password but in 90% of all cases, if I switch of my Nexus with Power, it is NOT locked. Pressing Power again, after a few seconds, minutes or just hours still show homescreen oder latest app which was open. Same if I do not use Power but waiting for automatic Lockscreen.
Do anyone has the same problem or just know how to fix that?
Click to expand...
Click to collapse
I've noticed this as well. Since around the time of the 10.1.2 release.
Basically, I've changed the default settings so there's a lock screen and it works at first, but then, seemingly randomly will stop working, ie no lock screen whatsoever. I can leave the phone for hours, and there's no security.
Seems like a pretty serious flaw to me. I've actually upgraded my CM installation, as well as done a complete reinstall, doing a factory reset, and updating to the latest nightly, ie last nights, and this issue is still there.
Basically means I can't rely on CM for keeping my phone secure. I've changed the settings back and forth, tried different security settings, reset things, reinstalled, etc. Tried everything I can think of.
Yes, all the proper settings are there, basically CM's default settings once you turn the lock screen on should work, power button instantly locks, timeout etc.
About ready to go back to an earlier version or different rom completely.
Anyone have any thoughts?
bikevan said:
I've noticed this as well. Since around the time of the 10.1.2 release.
Basically, I've changed the default settings so there's a lock screen and it works at first, but then, seemingly randomly will stop working, ie no lock screen whatsoever. I can leave the phone for hours, and there's no security.
Seems like a pretty serious flaw to me. I've actually upgraded my CM installation, as well as done a complete reinstall, doing a factory reset, and updating to the latest nightly, ie last nights, and this issue is still there.
Basically means I can't rely on CM for keeping my phone secure. I've changed the settings back and forth, tried different security settings, reset things, reinstalled, etc. Tried everything I can think of.
Yes, all the proper settings are there, basically CM's default settings once you turn the lock screen on should work, power button instantly locks, timeout etc.
About ready to go back to an earlier version or different rom completely.
Anyone have any thoughts?
Click to expand...
Click to collapse
I just loaded my first rom on my Note 2 today. Getting the same thing. The quick fix is to close all the open apps, then it kicks you right back into the lock screen. I double click, then button in the top right and closes them all auto for me. I think it might be FB Messenger causing the issues but I can't say for sure. LMK if you that helps in the short term?
Am not running FB Messanger, so that's not causing it for me.
I'm using a pattern on my lock screen, not sure if this issue exists with all types of lock screens.
Hi all,
I've just installed CM 10.1.2 on my SGS2 (GT-I9100) yesterday and I had the exact same problem.
I've just figured out where the problem is:
I use Handcent SMS app, and when I receive a text, a quick reply window pop up. If I type my reply in it and hit send, it deactivate my lock screen.
Hope my answer helps!
I have the same issue. Disabled the popup function in Handcent settings and lockscreen i working.
sc4ry said:
Dear all,
a few days ago I started again using Cyanogenmod, first latest stable (10.1.2) and today also latest nightly.
In Settings lockscreen is enabled with cLock-Widget, till now I tried normal unlock (move only), pattern, PIN and Password but in 90% of all cases, if I switch of my Nexus with Power, it is NOT locked. Pressing Power again, after a few seconds, minutes or just hours still show homescreen oder latest app which was open. Same if I do not use Power but waiting for automatic Lockscreen.
Do anyone has the same problem or just know how to fix that?
Click to expand...
Click to collapse
I install CM 10 on my Xperia P
and i have the same problem.
any one can help me plz
usama-aj said:
I install CM 10 on my Xperia P
and i have the same problem.
any one can help me plz
Click to expand...
Click to collapse
There is an app that is bypassing the lock screen.
For me it was a proximity screen of app...
When I have my phone plugged in over night and then hit the unlock screen button, the screen doesn't turn on.
I have to hard reset to get the phone on then everything is fine.
What is causing this and how do i stop it?
Running totally stock rom 4.3
Which apps do u have installed on your Nexus? I saw the freezing issue with touch control. If U had no apps it could have just been a bad flash
Have you got any overclocking apps?
Sent from my Nexus 4 using Tapatalk 4
I have been dealing with this for a while. It has made me late to work since I use my phone as my alarm and the alarm does not go off when this occurs. I've tried everything. Toggled daydream mode to ensure it was off, done a factory reset and installed no apps, done a full factory image flash to make sure there was no issue with the system files, tried a different charger, tried not charging, etc... it still occurs about once a week. I plan to call Google to ask if this is a warranty issue.
kthejoker20 said:
When I have my phone plugged in over night and then hit the unlock screen button, the screen doesn't turn on.
I have to hard reset to get the phone on then everything is fine.
What is causing this and how do i stop it?
Running totally stock rom 4.3
Click to expand...
Click to collapse
Download and install Safe Charge from Google Play https://play.google.com/store/apps/details?id=com.sash.sodeliminator. Open Safe Charge after installing the app and click the Enable Safe Charge check box. The developer has an explanation at http://forum.xda-developers.com/showthread.php?t=2226698 of how his app prevents the Nexus from entering deep sleep while the phone is plugged in. I installed his app after experiencing two sleep of death episodes in my first week with the Nexus and have not had one since.
I tracked it down that it only happens when wifi is enabled. When it's not enabled the phone doesn't freeze.
Try disabling location access? Wifi might have connection with that. No harm trying right?
Wifi on at night isn't good for human deep sleep anyway so I off it.
Hi, I've been using the essential phone for several days. I've installed lots of apps and other than a random glitch now and then, thinks have worked well. The system seems to be considerably faster than a Galaxy S8.
Two problems have recently surfaced. Smart lock is totally messed up (It was working for a while.) Now, when I get to the point in Security settings where I enter my pin, I get a blank screen. I've tried all sorts of things save a system reset. Smart Lock itself doesn't work any longer.
The other issue is intermittent freezes that last several seconds. Whatever the system is doing, it isn't responding at all. If I wait for a while, it proceeds to work fine.
Has anyone seen similar behaviors? Any suggestions short of a hard reset?
Thanks
charlie.s said:
Hi, I've been using the essential phone for several days. I've installed lots of apps and other than a random glitch now and then, thinks have worked well. The system seems to be considerably faster than a Galaxy S8.
Two problems have recently surfaced. Smart lock is totally messed up (It was working for a while.) Now, when I get to the point in Security settings where I enter my pin, I get a blank screen. I've tried all sorts of things save a system reset. Smart Lock itself doesn't work any longer.
The other issue is intermittent freezes that last several seconds. Whatever the system is doing, it isn't responding at all. If I wait for a while, it proceeds to work fine.
Has anyone seen similar behaviors? Any suggestions short of a hard reset?
Thanks
Click to expand...
Click to collapse
Did you perhaps add a company exchange account or add some other device administrator? I've seen this issue on some of my previous devices where smart Lock is setup but my company's exchange policy disables it
Sent from my PH-1 using Tapatalk
For smart lock goto settings -> security - >trust agents
Toggle smart lock off, return to settings, go back and toggle it back on. Smartlock is back to normal, atleast this did the trick for me.
Thanks to both of you for ideas. I disabled two device administrators, both related to Lookout. I also deleted my fingerprints and all security. When I re-entered everything, all seemed fine. I will see if it behaves and then narrow it down.
StephenMilone said:
For smart lock goto settings -> security - >trust agents
Toggle smart lock off, return to settings, go back and toggle it back on. Smartlock is back to normal, atleast this did the trick for me.
Click to expand...
Click to collapse
I had to do this but I had to reboot instead of just exiting out of settings.
I'm running into this issue as well. Sometimes I can get it to come back, but then after a restart, it's broken again...
---------- Post added 6th September 2017 at 12:14 AM ---------- Previous post was 5th September 2017 at 11:32 PM ----------
Ok, so it seems like the same issue is showing up for OnePlus devices since recently: https://forums.oneplus.net/search/13954406/?q=smart+lock&o=date&c[title_only]=1
I can get mine to freeze consistently by using chrome and browsing to flipboard.com. After I login the whole phone will freeze, not even the power button doesn't do anything. I've tested it out on a few other devices and I get the same response from my Nexus 9, also running 7.1.1. In this case at least I don't believe it's the phone but something to do with Android itself.
I'm getting the freeze as well but my power button works, when I turn off the screen and turn it back on it works for a few seconds and then freezes again
Sent from my PH-1 using Tapatalk
charlie.s said:
Hi, I've been using the essential phone for several days. I've installed lots of apps and other than a random glitch now and then, thinks have worked well. The system seems to be considerably faster than a Galaxy S8.
Two problems have recently surfaced. Smart lock is totally messed up (It was working for a while.) Now, when I get to the point in Security settings where I enter my pin, I get a blank screen. I've tried all sorts of things save a system reset. Smart Lock itself doesn't work any longer.
The other issue is intermittent freezes that last several seconds. Whatever the system is doing, it isn't responding at all. If I wait for a while, it proceeds to work fine.
Has anyone seen similar behaviors? Any suggestions short of a hard reset?
Thanks
Click to expand...
Click to collapse
You had the Smart Lock issue too?! I did a Factory Reset to fix it here, no amount of powering off/on the device, toggling Smart Lock in "Trust Agents" did the trick, it just...was blank one day. I've had the freezes as well, haven't noticed those after the Factory Reset now that I think about that.
RMarkwald said:
You had the Smart Lock issue too?! I did a Factory Reset to fix it here, no amount of powering off/on the device, toggling Smart Lock in "Trust Agents" did the trick, it just...was blank one day. I've had the freezes as well, haven't noticed those after the Factory Reset now that I think about that.
Click to expand...
Click to collapse
Interestingly, the pauses and stuttering disappeared at the same time. It is exceedingly difficult to convert these anecdotal comments into a meaningful diagnosis.
In any case, so far, so good.
Thanks! This is one of two major bugs driving me nuts!
Disabling then directly restarting worked for me, thanks for the tip!
Sent from my PH-1 using Tapatalk
I updated to NMl64c yesterday and both problems I refer to in the original post appear to have been fixed
charlie.s said:
I updated to NMl64c yesterday and both problems I refer to in the original post appear to have been fixed
Click to expand...
Click to collapse
The Smart Lock blank bug happened to me again yesterday, and I've been on NMI64c for a couple of days. De-activating Smart lock and rebooting got it working again.
Same problem with smart lock here and only solution seems to disable it, restart the phone and re-enable it...
Weird
Deppi0 said:
Same problem with smart lock here and only solution seems to disable it, restart the phone and re-enable it...
Weird
Click to expand...
Click to collapse
You should be able to disable it in the trust agents settings, back up one menu the enable it again without needing to restart the phone. Someone else pointed this it out a few posts back and it's always worked for me.
StephenMilone said:
For smart lock goto settings -> security - >trust agents
Toggle smart lock off, return to settings, go back and toggle it back on. Smartlock is back to normal, at least this did the trick for me.
Click to expand...
Click to collapse
1. Turn off all Smartlock agents that are on the list.
2. Reboot.
3. Turn them back on.
I have experienced a few freezes. Only after the phone sits for an extended period of time and it goes to sleep and after a restart. I actually haven't had this happen lately, seems like things some how worked themselves out. As far as smart lock I haven't had any such issue. I do have a question regarding smart lock. Do you guess have an option for enabling it when it is connected to a specific Bluetooth device?
jglazer said:
1. Turn off all Smartlock agents that are on the list.
2. Reboot.
3. Turn them back on.
Click to expand...
Click to collapse
Didn't have to reboot. Just turned it off then back on
Sent from my PH-1 using Tapatalk
jasonevil said:
Didn't have to reboot. Just turned it off then back on
Sent from my PH-1 using Tapatalk
Click to expand...
Click to collapse
All the on/off tinkering with trust agents has worked for me, but the fix has always been temporary. Smart Lock will be OK for a day or so before returning to its broken state/blank screen in the settings. Wish there was someone (a company) who knew what this was about and could fix it.
Anyone else having a bug where the screen does'nt turn off after the designated time out is reached? I have set mine to 15 seconds but it only dims down after 7 seconds and remains dimmed forever and ever.
Only way to get phone to work normally is to restart it. But the bug keeps coming back every day, sometimes serveral times a day.
Now I have to turn off screen manually by pressing the powerbutton.
Update Solution:
I actually had locked(in recents) Edge browser into the memory so it always would be available lightning fast. I just unlocked and closed it from recents app, and now the screen shuts off normally. Apparantly there was probably a hidden ads-page active somewhere keeping the screen from shutting off properly.
corb06 said:
Anyone else having a bug where the screen does'nt turn off after the designated time out is reached? I have set mine to 15 seconds but it only dims down after 7 seconds and remains dimmed forever and ever.
Only way to get phone to work normally is to restart it. But the bug keeps coming back every day, sometimes serveral times a day.
Now I have to turn off screen manually by pressing the powerbutton.
Click to expand...
Click to collapse
Any developer options turned on?
dottat said:
Any developer options turned on?
Click to expand...
Click to collapse
Not much, only the Force all apps to be resize:able.
The screen awake while charging is off. USB-debbuging also.
corb06 said:
Not much, only the Force all apps to be resize:able.
The screen awake while charging is off. USB-debbuging also.
Click to expand...
Click to collapse
I have encountered this bug occasionally, a few times this happened some web page was open (No video was playing) not sure if this was the case with you sometimes some ads or something on the web page can keep the browser active. I did not think much of it nor explored it much but will keep an eye out if it reoccurs.
Turn off Developer options for now.
Does it happen in Safe Mode?
Make sure a 3rd party app isn't the cause.
Clear system cache on the boot menu.
.
warriorvibhu said:
I have encountered this bug occasionally, a few times this happened some web page was open (No video was playing) not sure if this was the case with you sometimes some ads or something on the web page can keep the browser active. I did not think much of it nor explored it much but will keep an eye out if it reoccurs.
Click to expand...
Click to collapse
Big Thanks! I actually had locked Edge browser, Telegram and File Manager+ into the memory so they would never be killed off. I just unlocked and removed them all, and now the screen shuts off normally. What a relief [emoji846]!
Using Adguard adblock and Edge content blocker so it might have been a hidden ad of sorts keeping phone screen active.
Sent from my SM-N986B using Tapatalk
corb06 said:
Big Thanks! I actually had locked Edge browser, Telegram and File Manager+ into the memory so they would never be killed off. I just unlocked and removed them all, and now the screen shuts off normally. What a relief [emoji846]!
Using Adguard adblock and Edge content blocker so it might have been a hidden ad of sorts keeping phone screen active.
Sent from my SM-N986B using Tapatalk
Click to expand...
Click to collapse
Glad it worked, I suggest copy paste above text, what you observed the reason was for this to happen and what you did to fix it and add that information to the first post. Trust me it will help many.
Also change the title to: [Solved] - Screen won´t turn off - only dim down