Screen awakening from sleep.. - Galaxy S III Q&A, Help & Troubleshooting

If i have my phone in sleep mode, and pass my hand across the screen without touching it - it awakens to the lock-screen sometimes.
Is this usual behaviour? Is there a setting to stop this, or is the phone extremely sensitive?
Thanks.

JCM800 said:
If i have my phone in sleep mode, and pass my hand across the screen without touching it - it awakens to the lock-screen sometimes.
Is this usual behaviour? Is there a setting to stop this, or is the phone extremely sensitive?
Thanks.
Click to expand...
Click to collapse
Touching the screen shouldn't wake up the phone, even if you intentionally touches it.
Maybe you have some proximity sensor controled apps running, don't you ?
Do this test: Try to swipe your hand across the screen, far away from the proximity sensor and see if this happens.
If not, now try the opposite.

Does it take a screen shot when this happens?
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if you mean that screen automatically turns on without doing anything, then it refers to a recent buggy installed app.

Could be caused by apps that you installed. Try identify the apps 1st.
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I find this when there is a strong breeze across the phone...

Read this somewhere it seems it maybe to do with static discharge. Dunno how true it is it doesn't happen to me. Are you Raiden by any chance?
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Related

[Q] Does your ICS S2 wake when receiving an sms?

stock LP7 ICS here. Every time I receive a SMS the screen wakes. Not normally a problem, but recently have found the lockscreen is staying on whilst in my pocket. Must be the fabric of my suit, so its killing my battery.
A friend of mine who is also on LP7 swears his S2 doesn't wake when receiving an SMS. Am i missing a setting somewhere? I'm sure this wasn't a problem on GB.
I am running stock Messaging app.
My S2 wakes when I receive an SMS. It's done that since GB and continues to do that in ICS
Screen time-out?
It could also be your screen time-out being set too high. Try setting the timeout to a lower value and see how that goes
Yup..it will awake around 15 secs
Sent from my GT-I9100 using Tapatalk 2
The screen wakes on Samsung ROMs, although I've noticed it doesn't on the AOKP ROMs I've been using. Perhaps your friend is using one of them?
As for the issue with the screen staying on, check screen timeout (although I'm sure this is separate for screen and lock screen). Or else try a different pocket
Yes your right re screen time out, it is separate for screen and lock screen. But the time-out isn't the problem. Either I have electrically charged legs or the screen sensitivity has increased in ICS. The phone is waking when SMS arrives, then the screen is staying on because it senses a touch through the fabric against my leg. Small movements (ie walking) keep the screen on without unlocking the phone. Obviously easily sorted by keeping phone in a jacket or glass facing outwards rather than against leg.
Just wondered if there was a way to disable the screen on function. After doing a bit of research it looks like GO SMS has the option to disable screen waking.
flashflash said:
After doing a bit of research it looks like GO SMS has the option to disable screen waking.
Click to expand...
Click to collapse
Go SMS can indeed do that- I use it and the screen does stays off if the option is selected
Sent from my GT-I9100 using xda premium

[Q] Screen very dim after unlocking?

Hello,
the following problem appears when i try to unlock the phone after some hours: i can see my home screen, but the screen stays extremely dim. When i try to start an app (e.g. browser) the screen turns black. I can unlock it again, but the screen stays dim. after some unlocking the screen becomes normal (normal brightness) and also the apps are startable.
i am using autobrightness, the stock firmware, 4.1.1 (i9300xxdlih) power saver is not turned on.
thx, i hope you can help me solving this problem
fanbayer
Fanbayer said:
Hello,
the following problem appears when i try to unlock the phone after some hours: i can see my home screen, but the screen stays extremely dim. When i try to start an app (e.g. browser) the screen turns black. I can unlock it again, but the screen stays dim. after some unlocking the screen becomes normal (normal brightness) and also the apps are startable.
i am using autobrightness, the stock firmware, 4.1.1 (i9300xxdlih) power saver is not turned on.
thx, i hope you can help me solving this problem
fanbayer
Click to expand...
Click to collapse
i updated mobile phone to android versiopn 4.1.2. this morning. Unfortunately the problem still appears.
Maybe its a hardware defect?
Try to disable somehow light sensor and change settings to non auto brightness.
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d0hn said:
Try to disable somehow light sensor and change settings to non auto brightness.
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Click to expand...
Click to collapse
i disabled auto brightness and set the brightness to the highest level. But its still same: very dim and after a while a black screen; after a few times of unlocking, the display works normally
I have just seen the same issue on a friend's S3.
Anyone else? I feel like this is a very big issue that is still lurking in a lot of devices.
I tried it myself and I toggled the power button to turn the screen on and off.
It doesn't take long but sometimes when the screen turns back on, it's super dim and you can faintly see the lockscreen image.
You have to cycle the screen several more times to get it to the 'correct' brightness, and no it is NOT a brightness setting.
It's some hardware issue in the phone.
Sorry for the necrobump, but I only found this thread. I have this problem too since about a week back. It makes my phone useless at times. I first thought it was a software issue. I have an app (called Twilight) for dimming the screen more than normal settings and also toning it, for nightime use, and I thought that was the culprit first, but nope. I have flashed rom, recovery, wiped all caches I can think of. Still happens, just now I was in the middle of installing android revolution hd, and the screen ultradimmed on me so I can't finish the process
Thing is, a few months ago I managed to crack my screen by way of gravity and concrete. I let the samsung brand service centre in Stockholm repair it for me (it is out of warranty) and this issue with the dimming never happened before that. Then again, it didn't happen directly afterwards either... but still. So, I am thinking: either me dropping it caused more damages and this is because of that. Or the service center did a bad install of the new screen. Or, the replacement screen that was installed has a defect in itself. I am leaning a bit towards the third explanation... maybe different batches of screens?
Does anyone have any ideas? If I am to contact the service center and complain about their work I would like to be able to point towards a "known problem"...
8Fishes said:
I have just seen the same issue on a friend's S3.
Anyone else? I feel like this is a very big issue that is still lurking in a lot of devices.
I tried it myself and I toggled the power button to turn the screen on and off.
It doesn't take long but sometimes when the screen turns back on, it's super dim and you can faintly see the lockscreen image.
You have to cycle the screen several more times to get it to the 'correct' brightness, and no it is NOT a brightness setting.
It's some hardware issue in the phone.
Click to expand...
Click to collapse
Take it back, if it didn't happen before then the new screen is most likely.
It isn't a common problem

Question regarding clean rom

I'm currently using the latest version of clean rom. Lately I have noticed that sometimes when I grab my phone without waking it up, there is kind of a light that comes on towards the top of the screen and it displays missed calls and missed texts the light stays on for a few seconds then fades away by itself. What makes this wierd is I have not been able to force this to happen and sometimes it does it and sometimes it doesnt. This happens prior to me waking up the phone when the screen is black. I think it might have something to do with a motion sensor. Any ideas on what feature this is.
Sent from my SCH-I605 using xda app-developers app
kbauman said:
I'm currently using the latest version of clean rom. Lately I have noticed that sometimes when I grab my phone without waking it up, there is kind of a light that comes on towards the top of the screen and it displays missed calls and missed texts the light stays on for a few seconds then fades away by itself. What makes this wierd is I have not been able to force this to happen and sometimes it does it and sometimes it doesnt. This happens prior to me waking up the phone when the screen is black. I think it might have something to do with a motion sensor. Any ideas on what feature this is.
Sent from my SCH-I605 using xda app-developers app
Click to expand...
Click to collapse
It's called QuickGlance and can be found under Settings --> Motion. The way to activate it is to reach for your phone while it lies flat, covering the sensors in the top-right corner, you can pull your hand back and it'll show up. Interesting thing, if you use an app that forces auto-rotation, such as rotation locker or what have you, you can get the QuickGlance screen to show up in landscape.

Proximity Sensor Calibration

Hey guys, I recently replaced my screen and its all working perfectly except for the proximity sensor. I replaced the screen with a white one so I don't know if that's why its acting funky, but no matter what app to test it I use, it never shows any values for the prox sensor. This leads me to believe its always in the 'on' state, so that when I make a call the screen instantly goes black (thinking that my face is up to it) and doesn't come back on until the call ends. I was just wondering if anyone came across how to fix this maybe with a kernel setting or app, just so I don't have to worry about it anymore.
Thanks for anyone's help in advance!!
Sent from my Galaxy Nexus using xda premium
Well just in case anyone runs into this problem again, here's how to fix it. After I tried to take it apart again and add scotch tape colored with black sharpie, it didn't seem to do anything. So I went and looked for an app that can do it, and I found 'Rezound proximity sensor calibrator' it allows you to set the threshold of how close an object is to the sensor and will tell you if its triggered (near) or not triggered, (far). Just trial and error the settings until it changes state and test the sensor with a phone call!
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Can the auto light detector be turned off?

off or on it still auto darkens or lightens the screen. Also mine screen seems to flicker sometimes. They are sending a mnew one just wondered if anyone else had this problem
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darchur said:
off or on it still auto darkens or lightens the screen. Also mine screen seems to flicker sometimes. They are sending a mnew one just wondered if anyone else had this problem
Click to expand...
Click to collapse
Turn off auto-brightness.
The flicker is a different problem. I sometimes get that when I play Real Racing 3, but it's momentary.

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