Noticeable delay after pressing screen lock button. System reset does not help. - Samsung Galaxy Note 9 Questions & Answers

This issue has been driving me mad for the past couple weeks. I'm at my wits' end and I need some expert help to figure this out. Please read this post thoroughly to understand my situation, as this is not a simple matter of uninstalling some apps.
When I first got my Note 9, the screen lock button worked perfectly. The screen would immediately turn on when I pressed the button, and it would immediately turn off when I pressed it again. However, once I got the Android Pie update, the screen lock button stopped working properly. The screen still turns on immediately, but there's about a 0.5 second delay after I press the button to turn it off. It's a relatively small issue, but it's enough to bother me.
I attempted to fix this by performing a system reset. But this did not help. In fact, this issue is still present even before completing initial setup of the phone.
When you perform a system reset, the first screen you see when your phone restarts is the welcome screen. It contains a "start" button that you press to begin setup. On this screen, the lock button issue does not happen. My phone locks and unlocks correctly. On the next screen, you connect to a wifi network. After connecting to a wifi network, the lock button issue becomes present. In other words, this issue with the lock button is present before I even start using the OS, or install any apps, or really do anything at all. It seems to be triggered by connecting to a wifi network during setup.
So I figured there must be something wrong with the firmware. So I used Odin to flash an earlier firmware version. This did not solve the issue. I even tried installing an unlocked firmware version, on the offchance that my carrier (AT&T) was doing something weird. This did not help either.
I have no idea where to go from here. I thought that a system reset is supposed to completely wipe everything from your phone, so that it behaves exactly how it did when I first got it. But that's not the case. It seems like something is carrying over that's causing this issue. Does anybody have any idea what I should do?

Do you have lock instantly with power key on?

funkyverb said:
This issue has been driving me mad for the past couple weeks. I'm at my wits' end and I need some expert help to figure this out. Please read this post thoroughly to understand my situation, as this is not a simple matter of uninstalling some apps.
When I first got my Note 9, the screen lock button worked perfectly. The screen would immediately turn on when I pressed the button, and it would immediately turn off when I pressed it again. However, once I got the Android Pie update, the screen lock button stopped working properly. The screen still turns on immediately, but there's about a 0.5 second delay after I press the button to turn it off. It's a relatively small issue, but it's enough to bother me.
I attempted to fix this by performing a system reset. But this did not help. In fact, this issue is still present even before completing initial setup of the phone.
When you perform a system reset, the first screen you see when your phone restarts is the welcome screen. It contains a "start" button that you press to begin setup. On this screen, the lock button issue does not happen. My phone locks and unlocks correctly. On the next screen, you connect to a wifi network. After connecting to a wifi network, the lock button issue becomes present. In other words, this issue with the lock button is present before I even start using the OS, or install any apps, or really do anything at all. It seems to be triggered by connecting to a wifi network during setup.
So I figured there must be something wrong with the firmware. So I used Odin to flash an earlier firmware version. This did not solve the issue. I even tried installing an unlocked firmware version, on the offchance that my carrier (AT&T) was doing something weird. This did not help either.
I have no idea where to go from here. I thought that a system reset is supposed to completely wipe everything from your phone, so that it behaves exactly how it did when I first got it. But that's not the case. It seems like something is carrying over that's causing this issue. Does anybody have any idea what I should do?
Click to expand...
Click to collapse
It is probably the double tap power button to open camera feature. You can toggle it off and locking will be instant.
If its already off, there my be an accessibility service listening key presses.

xantrk said:
It is probably the double tap power button to open camera feature. You can toggle it off and locking will be instant.
If its already off, there my be an accessibility service listening key presses.
Click to expand...
Click to collapse
Oh my god, that fixed it... Can't believe I spent so much time trying to diagnose this. Thanks!

funkyverb said:
Oh my god, that fixed it... Can't believe I spent so much time trying to diagnose this. Thanks!
Click to expand...
Click to collapse
This delay issue is so silly but it annoys the hell out of me. Where did you turn off this feature in Pie?
Update: Found it. Just use the search box in settings and type in "camera" (or whatever it is in your language). The "double tap power" setting will get listed.
Thanks alot,
Watz

I even turned off the double press for camera app but I'm still noticing a 0.5 sec lag when i press the side key
I even restarted after changing the setting
Nothing is happening
Please help

xantrk said:
It is probably the double tap power button to open camera feature. You can toggle it off and locking will be instant.
If its already off, there my be an accessibility service listening key presses.
Click to expand...
Click to collapse
Thank you bro.

Related

Power Button- slow?

i noticed recently that if i press the power button, it sometimes takes a really long time to turn the screen on. i know the hardware works because the backlight in the soft buttons turns on immediately, but the screen remains black for up to 10 seconds. this happens rarely. however, im fairly sure it isnt a software problem because ive wiped completely and installed a fresh rom and the problem seems to persist. perhaps i just recently noticed, and the problem was always there? does anyone else have this problem?
three threads above yours.
http://forum.xda-developers.com/showthread.php?t=681723
could be a hardware issue.
Mine does this every few days.. I am still on the stock 2.1 rom.
Mine also does this, I only noticed it after flashing Cyanogenmod 5.0.6. so I thought it might have been a bug. I also assumed it was a bug because the phone seems to act strangely when you are touching the screen and try to hit the power button.
Hopefully this isn't a hardware issue, I've had the phone since release.
Is anyone else experiencing similar issues?
It happens to me as well, but very infrequently. Maybe every few days... so it doesn't bother me enough to worry about it.
I'm on stock ROM btw.
I am leaning towards thinking this may be software related. A few minutes ago I was at the lock screen and tried about 50 times (yes I waited long enough after each press) and simply could not get the screen to turn off. I then tried long pressing the power button and, sure enough, each time it would bring up the shutdown menu (yes, over the lock screen). Must be a bug right?
Hmm, my problem's slightly different. Around half of the time, I have to press the power button twice to turn the screen on. Sometimes, pressing it the first time doesn't turn the screen on, had to press the power button firmly again.
This started only recently. On stock n1 and bought it during feb.
that means that your power button is dying, like many others' (including mine)
this is the first time, it takes 2 clicks to work....than it will increase.
Expect a repair soon...
Well i am having the issue other way around. i am not been able to put my phone in stand by mode by clicking on it and it is do a hard press then i get options to shut off the phone
any suggestions what might be causing it ?
I'm happy I haven't received this problem yet
-------------------------------------
i want my yogurt lol froyo time
negroplasty said:
Mine also does this, I only noticed it after flashing Cyanogenmod 5.0.6. so I thought it might have been a bug. I also assumed it was a bug because the phone seems to act strangely when you are touching the screen and try to hit the power button.
Hopefully this isn't a hardware issue, I've had the phone since release.
Is anyone else experiencing similar issues?
Click to expand...
Click to collapse
I am having the same issue and i wonder if you were able to find the cause for it. I have the same rom as you do on your phone
negroplasty said:
I am leaning towards thinking this may be software related. A few minutes ago I was at the lock screen and tried about 50 times (yes I waited long enough after each press) and simply could not get the screen to turn off. I then tried long pressing the power button and, sure enough, each time it would bring up the shutdown menu (yes, over the lock screen). Must be a bug right?
Click to expand...
Click to collapse
I have a similar problem. When I unplug the N1 from the charger, the screen comes on showing the lock screen, and I can't get it to turn off. If I unlock the phone, however, then the power button works normally. I don't think it was doing this until recently (I bought it in January the first day it was offered and am running the stock update1 ROM).
So here is my theory if the power button is a problem then it needs to act up both ways and not only one way. right now i can put the phone in sleep mode but i can wake it up. i will post the issues on the development forum and might be able to find an asnswer to it
So seems like the issues is because of Cyanogenmod 5.0.6 because since i have flashed another rom it is working just fine. i will be doing some more testing before i can be certain
Another problem I am experiencing is when I long press the power button, it pulls up the phone options menu but also turns off the screen. It's extremely frustrating as it does this quite frequently; right after I power on the screen again and unlock the device it works properly every time - so much so that I am convinced this is a software issue.
I am now running froyo, rooted with Cyan's minor root patch. I can also say for sure I experienced the same problem on CM 5.0.6, but it definitely occurred less frequently.
Am I alone here?
di2356 said:
i noticed recently that if i press the power button, it sometimes takes a really long time to turn the screen on. i know the hardware works because the backlight in the soft buttons turns on immediately, but the screen remains black for up to 10 seconds. this happens rarely. however, im fairly sure it isnt a software problem because ive wiped completely and installed a fresh rom and the problem seems to persist. perhaps i just recently noticed, and the problem was always there? does anyone else have this problem?
Click to expand...
Click to collapse
I just started having this problem after upgrading to 2.2.
I have this every so often. But sometimes wonder if it is flyscreen doing it
You guys should all just be running the app no lock to take the power autumn out of the equation.
Ahhhhh! I just need trackball wakeup!
I have a similar issue where my screen will turn on but will be unresponsive. When i turn it on and off, the backlight jut comes and goes. If it times out it won't turn back on for a bit(the backlight will come on still).
I just wiped my phone, hoping that'll fix it since it only started happening on a regular basis since I updated to Froyo

Screen won't timeout

Very odd...
My screen won't timeout anymore, unless I manually press the power button. It doesn't matter whether the phone is plugged in or not, and it isn't dependent on the screen I am on either. The screen just stays on forever.
Is there a way I can see if a certain program is preventing the screen from sleeping? Has anyone encountered this type of thing before?
Thanks!
yakkamut said:
Very odd...
My screen won't timeout anymore, unless I manually press the power button. It doesn't matter whether the phone is plugged in or not, and it isn't dependent on the screen I am on either. The screen just stays on forever.
Is there a way I can see if a certain program is preventing the screen from sleeping? Has anyone encountered this type of thing before?
Thanks!
Click to expand...
Click to collapse
Did you check the screen time out settings, maybe you got it at 30mins ?
Yeah, it's set to 30 seconds. It must be some program that tells my phone not to sleep?
Even more odd...
It fixed itself!
Rebooting the phone for the last couple days had no effect on the timeout issue I was having, but doing it this afternoon somehow resolved the issue.
Add this to the list of idiosyncrasies that my SGS has.
I'm having this annoying problem with my SGS (JPY) at the moment. Sometimes it'll go to sleep and turn off the screen by itself, but 9 times out of 10 I have to manually turn it off with the power button.
Has anyone else experienced this with JPY? I'm reluctant to wipe and start again, but it's really starting to piss me off now...
might be an old topic, but i am experiencing this right now
i just installed gingerreal guerilla version yesterday and it works fine
however when i connected my phone to usb for charging this morning, it wont turn off the screen unless i do it manually by pressing the power button
weird thing is as far as i remember there's a setting on USB debug mode to turn off the screen when connected to usb. i think it might be related to the rom or is it always like that on gingerbread? i assume that is the root cause,
although i couldn't post the issue directly on the gingerreal thread due to minimum post count.

N1: Screen issues (Stops working)

Hello,
I was wondering if there is some way to track what is happening on my phone? Since my screen stops working when waked up from standby. i.e. if i press the button at the top to standby and then when i press it again and reach the lock screen the touchscreen is not working, it is simply not registering touch and neither are the 4 small buttons on the bottom (back, settings, home, search). However, the OS in itself is still running as I think since I can still see the time move and if I hold the off button the menu comes up for reboot etc.
Anyone heard of anything like this or any tips how to solve this? I am rooted and running CM6 I think at the moment.
Thank you,
Svarto
Svarto said:
Hello,
I was wondering if there is some way to track what is happening on my phone? Since my screen stops working when waked up from standby. i.e. if i press the button at the top to standby and then when i press it again and reach the lock screen the touchscreen is not working, it is simply not registering touch and neither are the 4 small buttons on the bottom (back, settings, home, search). However, the OS in itself is still running as I think since I can still see the time move and if I hold the off button the menu comes up for reboot etc.
Anyone heard of anything like this or any tips how to solve this? I am rooted and running CM6 I think at the moment.
Thank you,
Svarto
Click to expand...
Click to collapse
so the only way to escape this is by pulling the battery and rebooting? when you do reboot and dont go in standby, the touchscreen works fine?
You can check the issue using logcat and /proc/kmsg.
Also, you can read my threads on the subject, describing the same error with logs, and see if your logs are the same.
I'm currently trying to check if the error repeats itself after full wipe and starting from scratch. In the meantime it didn't show up until I applied a theme, and then after reflashing the ROM it's gone again - I'm still checking, only a day has passed.
Yes, the only solution is to pull out the battery and reboot. Then it works fine and I can go in and out of standby. I havent found a particular pattern to it happening so it is hard to reproduce.
I will have a look at that logcat and your other thread!
Just to guide you - when it happens to me, the phone gets stuck with mmc0 access that receives "CRC error" reply and doesn't go through. Pressing power button for a long time several times and playing with trackball / touching the screen between presses "releases" the "lock", and you'll be able to work with the phone again until you put it to sleep again. If you turn WiFi and BT off and then back on - the problem seems to disappear.

[Q] phone will not power off or on properly. Shut down menu pops up constantly

I have searched this exact title and came up with 10 pages and I never saw anyone else with this problem. Surely I cannot be the only one.
After the Gingerbread upgrade I was getting the tethering message/force close, during that time my phone started to randomly shut off ( settle down Beavis, this isn't the same question thats been asked a thousand times ) and reboot. I lived with the tethering message problem for as long as I could but my phone became more ignorant day by day. I finally found a fix for the tethering issue and haven't had a return problem with that but now my phone either stays in standby mode ( dark screen ) and refuses to respond to the hard button to wake it up OR once on it refuses to go into standby mode and stays on until I pop the battery or I go into settings and time the screen out in 15 seconds ( often times this doesn't shut it down either ). Sometimes I can get it to come on by multiple pressing the power button ( this can't be healthy ) and the lock screen will flash momentarily just long enough for me to unlock the screen. Other times it will go to the lock screen while I'm in the middle of something.
Every day at some point while it's on and I'm using it, the power button option screen pops up ( silent mode, flight mode, power off ). When I'm done with a call I try to go into standby and it just sets there...ON.
The thought has crossed my mind that the button doesn't work or has a short but I really think it's something else ( I hope ). Can somebody help me? I am not very techie although I have updated the phone three times myself. It is unrooted and 2.3.5
Thank you in advance
I would go with the power button. It's a known issue on captivate.
mrhaley30705 said:
I would go with the power button. It's a known issue on captivate.
Click to expand...
Click to collapse
I stopped by the AT&T store the other day to check on insurance (ends up I didn't have it) and told them about my button not working properly and how the Captivate was notorious for this problem and they all said "We've never heard that". So the gadget gal is in there so she offers to take it apart and check it. She claims there isn't anything wrong with it and that it has the same amount of spring as the volume buttons. She then noticed that when she put the battery back in the phone came on automatically, I said it's not supposed to do that and she agreed but fortunate for me since I cannot turn it on. She then says I'm eligible for an upgrade and try's to sell me a new phone. I don't want a new contract.
So should I try and buy a new button and change it or could it be something else? Thank you in advance.
Are you using a case for your phone by any chance? If yes, is it too tight? Maybe the power button gets stuck because of that sometimes? Just a long shot! You stated that power menu pops up once in awhile when you're using it, is it possible that the way you grip the phone causes that? (Just trying to help and not trying to offend you btw.)
You might want to try flashing UCKK4 with bootloader(use it from the one click master collection of stock rom's) just to make sure that there is no issue with the firmware. It is not likely to fix your problem but it's good to have a clean start. At least that's what I would do to begin with.
Since you're willing to change the power button, why not do an experiment? Remove the power button and see if there is any change? If it works fine then it's the power button that's faulty else it's a hardware problem.

Power button doesnt wake up the phone.

Hi,
My note 8's screen got damaged a month ago, but
from past two days the power button seems to be
unresponsive.
I have to press it atleast 10-15 times for my screen
to wake up.
Even if the screen doesnt turn on by a single click,
the usual touchscreen functions still work.
Ex: I can still open the particular app by clicking the screen
on the specific area.
Kindly help.
rockz1991 said:
Hi,
My note 8's screen got damaged a month ago, but
from past two days the power button seems to be
unresponsive.
I have to press it atleast 10-15 times for my screen
to wake up.
Even if the screen doesnt turn on by a single click,
the usual touchscreen functions still work.
Ex: I can still open the particular app by clicking the screen
on the specific area.
Kindly help.
Click to expand...
Click to collapse
There's nothing any of us can do to help you when it's a hardware issue like this. You need to open the back of the phone using a heat gun to loosen the glue and then take the power button out and replace it with a new one.. There's nothing else that can be done and I would suggest that you not shut the phone down or let the battery die out because then you may not be able to turn it back on until you get the power button taken care of!
MrMike2182 said:
There's nothing any of us can do to help you when it's a hardware issue like this. You need to open the back of the phone using a heat gun to loosen the glue and then take the power button out and replace it with a new one.. There's nothing else that can be done and I would suggest that you not shut the phone down or let the battery die out because then you may not be able to turn it back on until you get the power button taken care of!
Click to expand...
Click to collapse
Hi MrMike2182,
Thanks but let me elaborate the issue.
The power button seems to be working fine because it takes approximately 10 to 15 clicks to turn on the screen (sometimes 1 or 2 click)
Let's say that I click the power button and the screen doesn't turn on, the screen functions work fine despite showing black screen.
Ex:
1. If I click on screen location where samsung music is placed and open it, and if I and click on the location of the play button, it plays the music just fine.
2. If I click on the restart button when the screen is black (not turned on), the phone does restart. The Samsung logo lits up just fine. (Mensing to say, the bootup process is not affected)
Also, note that if I successfully manage to turn on the screen after clicking the power button 10-15 times and if I put it to sleep again. I can easily turn on if I click the power button immediately (within the span of 2 seconds).
The problem persists only if the phone is kept I'd for 5 to 10 minutes.
rockz1991 said:
Hi MrMike2182,
Thanks but let me elaborate the issue.
The power button seems to be working fine because it takes approximately 10 to 15 clicks to turn on the screen (sometimes 1 or 2 click)
Let's say that I click the power button and the screen doesn't turn on, the screen functions work fine despite showing black screen.
Ex:
1. If I click on screen location where samsung music is placed and open it, and if I and click on the location of the play button, it plays the music just fine.
2. If I click on the restart button when the screen is black (not turned on), the phone does restart. The Samsung logo lits up just fine. (Mensing to say, the bootup process is not affected)
Also, note that if I successfully manage to turn on the screen after clicking the power button 10-15 times and if I put it to sleep again. I can easily turn on if I click the power button immediately (within the span of 2 seconds).
The problem persists only if the phone is kept I'd for 5 to 10 minutes.
Click to expand...
Click to collapse
Ok based on what you said now I don't believe there's anything wrong with your power button and when you press it and the screen doesn't turn on, in reality it actually is on and it's possibly damaged which is why you can still use the screen functions with the black screen. Whatever type of damage you say happened to it could be causing the backlight to not work but the screens touch function is fine.. Try rebooting into recovery mode and select to clear the phone's cache only and see if it helped anything.. If it doesn't help anything it's pretty much a screen hardware problem and you'll still have to get into the phone's internals..
MrMike2182 said:
Ok based on what you said now I don't believe there's anything wrong with your power button and when you press it and the screen doesn't turn on, in reality it actually is on and it's possibly damaged which is why you can still use the screen functions with the black screen. Whatever type of damage you say happened to it could be causing the backlight to not work but the screens touch function is fine.. Try rebooting into recovery mode and select to clear the phone's cache only and see if it helped anything.. If it doesn't help anything it's pretty much a screen hardware problem and you'll still have to get into the phone's internals..
Click to expand...
Click to collapse
Thanks,
Unfortunately, even factory resetting the phone didn't work out.
Anyway, I will take for service.
Hopefully it might resolve the issue
rockz1991 said:
Thanks,
Unfortunately, even factory resetting the phone didn't work out.
Anyway, I will take for service.
Hopefully it might resolve the issue
Click to expand...
Click to collapse
Since the factory reset didn't work, then unfortunately it really is a hardware issue.. I think you need a new screen..
I have the official led cover case, just opening the case will turn the screen on... Just a temp fix until you can get it repaired maybe.
stonedpsycho said:
I have the official led cover case, just opening the case will turn the screen on... Just a temp fix until you can get it repaired maybe.
Click to expand...
Click to collapse
Thanks stonedpsycho. I will have a look at it.

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