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Screen turns off as soon as call connects. Proximity sensor issue?

Anyone know how to troubleshoot proximity sensor issues? My ATT One's screen turns off as soon as a call connects. It wont turn on unless i hit power. It's like the proximity sensor isnt working. Any one else experiencing this?

nugzo said:
Anyone know how to troubleshoot proximity sensor issues? My ATT One's screen turns off as soon as a call connects. It wont turn on unless i hit power. It's like the proximity sensor isnt working. Any one else experiencing this?
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Click to collapse
I believe it was my Nexus 4 that had this problem also. I got a screen protector that covered the proximity sensor and it was doing the same exact thing. I would say you are correct and your prox sensor isnt functioning properly. There are apps on the market to help you test this but I cannot remember the names off the top of my head.

nugzo said:
Anyone know how to troubleshoot proximity sensor issues? My ATT One's screen turns off as soon as a call connects. It wont turn on unless i hit power. It's like the proximity sensor isnt working. Any one else experiencing this?
Click to expand...
Click to collapse
silentsnow31802 said:
I believe it was my Nexus 4 that had this problem also. I got a screen protector that covered the proximity sensor and it was doing the same exact thing. I would say you are correct and your prox sensor isnt functioning properly. There are apps on the market to help you test this but I cannot remember the names off the top of my head.
Click to expand...
Click to collapse
you can use the built-in diagnostics: in dialer type *#*#3424#*#* (3424=DIAG) that will take you to HTC's built-in diagnostics, then run the the "Light-Sensor" test.

silentsnow31802 said:
I believe it was my Nexus 4 that had this problem also. I got a screen protector that covered the proximity sensor and it was doing the same exact thing. I would say you are correct and your prox sensor isnt functioning properly. There are apps on the market to help you test this but I cannot remember the names off the top of my head.
Click to expand...
Click to collapse
Thanks. The one's sensor is next to the speaker, no screen protector covering that unfortunately
nkk71 said:
you can use the built-in diagnostics: in dialer type *#*#3424#*#* (3424=DIAG) that will take you to HTC's built-in diagnostics, then run the the "Light-Sensor" test.
Click to expand...
Click to collapse
Ran the diag and it passed. Lux was 320 then dropped to 220 when I covered sensor as instructed. I dont remember this issue with 4.1 or 4.2.. maybe its a 4.3 issue. Ill reinstall using a different version and try again. If it was a 4.3 issue seems like there would be more complaints though. Thanks for suggestions.

[Q] Screen stays off during call no matter what I do!

When I am in a call, putting the phone to my face turns the screen off using the proximity sensor. However, removing the phone from my face does not turn the screen back on. Nothing turns it back on even if I push all the buttons or hold them or do anything unless the other person hangs up. I cannot remember when it started....before or after the recent update.....but it did start very recently. Any ideas? If I turn off the proximity sensor during calls it works fine by locking and unlocking the screen with the buttons.

MNDZA said:
When I am in a call, putting the phone to my face turns the screen off using the proximity sensor. However, removing the phone from my face does not turn the screen back on. Nothing turns it back on even if I push all the buttons or hold them or do anything unless the other person hangs up. I cannot remember when it started....before or after the recent update.....but it did start very recently. Any ideas? If I turn off the proximity sensor during calls it works fine by locking and unlocking the screen with the buttons.
Click to expand...
Click to collapse
Is anything covering the front facing camera, or light sensor? Like a case, bad screen protector, etc....
Does your front facing camera work just fine as a camera?
How about air gestures? Do they work?
I'm asking these things because it seems your proximity sensors aren't working properly. Your phone thinks it's next to your head all the time, so it's not waking the screen until the other person ends call. We need to find out which one is acting up and why.

The front camera works, but in my office it seems VERY sensitive to light. The lights are glaring heavily. I never use the front camera so I don't know if that's normally how it was. Air gestures work when the screen is on (swiping left and right to view my photos), but the quick glance won't work when the phone is locked. The weird thing is that quick glance works when I do the "try it" tutorial only.
440bro said:
Is anything covering the front facing camera, or light sensor? Like a case, bad screen protector, etc....
Does your front facing camera work just fine as a camera?
How about air gestures? Do they work?
I'm asking these things because it seems your proximity sensors aren't working properly. Your phone thinks it's next to your head all the time, so it's not waking the screen until the other person ends call. We need to find out which one is acting up and why.
Click to expand...
Click to collapse

Ok now it seems quick glance DOES work when the phone is off....I just couldn't do it correctly.
Main problem still exists though.

What rom are you using
Sent from my SAMSUNG-SM-N900A using Tapatalk

My note 2 started like this also. I don't know what's wrong with it.
Sent from iNew V3 using Tapatalk

My phone is completely stock and not rooted.

MNDZA said:
My phone is completely stock and not rooted.
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Click to collapse
then i would contact att and get a warrenty replacement

jerrycoffman45 said:
then i would contact att and get a warrenty replacement
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Click to collapse
I was thinking that, but I'm tempted on resetting my phone and seeing if that helps. The problem is that I would lose all my app data and I'd hate to deal with that.

MNDZA said:
I was thinking that, but I'm tempted on resetting my phone and seeing if that helps. The problem is that I would lose all my app data and I'd hate to deal with that.
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Click to collapse
att will ask you to do that when you call

MNDZA said:
When I am in a call, putting the phone to my face turns the screen off using the proximity sensor. However, removing the phone from my face does not turn the screen back on. Nothing turns it back on even if I push all the buttons or hold them or do anything unless the other person hangs up. I cannot remember when it started....before or after the recent update.....but it did start very recently. Any ideas? If I turn off the proximity sensor during calls it works fine by locking and unlocking the screen with the buttons.
Click to expand...
Click to collapse
Unfortunately this sounds like a bad proximity sensor. This can be verified by testing the sensor by dialing *#0*#
I had this happen to my last Note 3. The only difference was I could turn the screen back on with the home button.

done12many2 said:
Unfortunately this sounds like a bad proximity sensor. This can be verified by testing the sensor by dialing *#0*#
I had this happen to my last Note 3. The only difference was I could turn the screen back on with the home button.
Click to expand...
Click to collapse
I tried that *#0*# test and I can activate the proximity sensor, but it seems to stay on after that.

This is a known issue with our phone. I had this issue myself. Plenty of times. Just call ATT and ask for a replacement.

Yeah I just found this:
http://forums.androidcentral.com/sa...-3-proximity-sensor-issue-during-calls-5.html

It's not a software issue use canned air and blow by the speaker and the headphone jack als o press on the back of the phone . This has happened to me
Sent from my SAMSUNG-SM-N900A using xda app-developers app

i stumbled upon this thread and took my phone apart and sure enough there was lint in it. in the dial pad using the *#0*# method, when i covered the sensor the screen would light green, vibrate, and stay that way after i moved my hand away. i cleaned it and everything is perfect!!!

Try this
https://www.youtube.com/watch?v=fls4NIRJ1IQ&feature=youtube_gdata_player
Sent from my Note 3 SM-N900A rooted by Designgears

proximity sensor issues? att varient

Anyone notice their proximity sensor is very flaky?
The screen will not shut off when I close my wallet cover over it. It will shut off when I start talking on the phone, but then will not "wake" when I move it away to hang up. I actually couldnt find anyway to wake it up so i just waited until the other side hung up (it was a recorded msg).
Any ideas? I may just shut off the proximity sensor and wait till I can swap it in store. Of course this was right after i installed a tempered glass screen .... would that impact it at all??thx!

http://forum.xda-developers.com/showthread.php?t=2922645
It seems that certain brands of tempered glass screen protectors are causing the same issue that you describe.

k2buckley said:
http://forum.xda-developers.com/showthread.php?t=2922645
It seems that certain brands of tempered glass screen protectors are causing the same issue that you describe.
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Click to collapse
thanks. mine was from extremeguard. i removed it. wait and see until the next person calls me. i contacted ATT and they said i have 11 days to return it (no exchanges available), and to try a master reset first

didnt seem to work after moving the glass. did a full reset and now it works....
ill try the glass again tomrrow and see if it stops working again. bizarre.

k2buckley said:
http://forum.xda-developers.com/showthread.php?t=2922645
It seems that certain brands of tempered glass screen protectors are causing the same issue that you describe.
Click to expand...
Click to collapse
this fixed the problem. thank you for saving me time and anguish returning the phone

eb50 said:
this fixed the problem. thank you for saving me time and anguish returning the phone
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Click to collapse
You're welcome. I'm glad you got it straightened out

k2buckley said:
You're welcome. I'm glad you got it straightened out
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Click to collapse
My tempered glass has a cutout for the 2 sensors on the left, are there any sensors on the right of the speaker? My proximity sensor also is not working. I will probably return my tempered glass also if this is the case...

This is happening to me and I don't have a screen protector. It's really getting annoying.

I'm having issues as well.... Not using any screen protector or whatsoever...

Yeh same here.. Looks like the sensor is maybe too sensitive. Hope sw can fix this.

+1 for the issue.
Cannot hang up after a call because the screen is black. Have to push the power button to wake it up first.
No screen protector.

mikkelwe said:
+1 for the issue.
Cannot hang up after a call because the screen is black. Have to push the power button to wake it up first.
No screen protector.
Click to expand...
Click to collapse
I just restored a backup of the original rom and the problem went away. So it's probably an issue with cm. Was on cm nightly from 01-13-2014

Did you try going to settings , accessibility , power button ends call, toggle that on and off.
After completing the above mentioned step. Reboot your phone and try making a call. I hope the issue get resolved.
I tried this step on an unrooted phone, which was recieved just yesterday.
I got this fix from some other thread.

Is there a way to turn off proximity sensor without rooting? Looked through setting and must have missed it. Thanks in advance.

Still having this issue as well. I tried toggling the power button option then restarting my phone, it seems to help for a very short period of time (few hours maybe). I have tried several different screen protectors, the most recent ones having a cut out for the sensor and there is a decent gap between the two. Reloaded my phone several times and installed 5.0.1
The sensor doesn't really work to turn on the display when I go to pickup the phone and is spotty when making a call. In the first minute or so of the call, I can take the phone away from my head and it will register, illuminating the screen, after that it stops working.
I can't understand how it could be the screen protector at this point, it's no where close to obstructing the sensor.

Guess it's time to send this thing back. I must be nuts because I keep trying this power button suggestion and it just doesn't work for me longer than a few hours.

Same here, using a plastic rinkage screen protector no bubbles in it and the edge falls a good few MM from the sensor.
CM12 nightly builds still do it I'm on the 2/19th build with Franco kernel.

Best solution is get rid of the junk and get a Note 4. Mine is such a crap phone. It doesn't even do anything special except be big.

Hi,
Just to tell that I've got this pb since I installed the Spigen crystal protection, not even a tempered glass.
Before that I still had the original cheap film you get when you unbox, with the white corner.. the crystal is really nicer but it screws the sensor...

I believe it is software related. I have a tempered glass screen protector that does not cover the proximity sensor. I have noticed that about 60% of the time the screen does not turn back on when I move the phone away from my head. It seems to happen more when the phone call is longer than one minute. I also had a tempered glass protector that covered the sensor and had the same behavior. I did use an app to test the proximity sensor and with both screen protectors it worked 100% of the time using the app.
Sent from my Nexus 6 using XDA Premium HD app

Dt2w always wakes in my pocket.

Hello guys, as the title says my phone always wakes up in my pocket and starts dialing and doing stuff...
Any way to fix that?

ProRules said:
Hello guys, as the title says my phone always wakes up in my pocket and starts dialing and doing stuff...
Any way to fix that?
Click to expand...
Click to collapse
When there is something magnetic in your pocket the phone is activated by the magnet sensor.
When you carry the phone in the pocket with screen turned to the skin then the phone is activated by yourself, because the screen is capacitative.
Belt case ?

NLBeev said:
When there is something magnetic in your pocket the phone is activated by the magnet sensor.
When you carry the phone in the pocket with screen turned to the skin then the phone is activated by yourself, because the screen is capacitative.
Belt case ?
Click to expand...
Click to collapse
Can't I somehow make it work with proximity sensor?
I dont have magnets i n my pocket.

ProRules said:
Can't I somehow make it work with proximity sensor?
I dont have magnets i n my pocket.
Click to expand...
Click to collapse
Turn the screen away from your body/skin.
The proximity sensor works when activated after dialing to turn the screen OFF.

Or turn ambient display off
Sent from my Nexus 6 using XDA-Developers mobile app

ProRules said:
Hello guys, as the title says my phone always wakes up in my pocket and starts dialing and doing stuff...
Any way to fix that?
Click to expand...
Click to collapse
Try this
http://forum.xda-developers.com/android/apps-games/app-wake-gestures-t3030399

NLBeev said:
When there is something magnetic in your pocket the phone is activated by the magnet sensor.
When you carry the phone in the pocket with screen turned to the skin then the phone is activated by yourself, because the screen is capacitative.
Belt case ?
Click to expand...
Click to collapse
blanco2701 said:
Try this
http://forum.xda-developers.com/android/apps-games/app-wake-gestures-t3030399
Click to expand...
Click to collapse
Thanks man! That fixes the issue, BTW I know it might be a bit off topic but.. What is xposed? I've seen it everywhere and in that link too, cheers.

ProRules said:
What is xposed? I've seen it everywhere and in that link too, cheers.
Click to expand...
Click to collapse
Xposed*is a framework for mod's that change the behavior Android. Root needed and downloading xposed-modules.
Never tried it, because I prefer a system close to stock. Therefore I use the prerooted lite stock rom of Danvdh.
http://forum.xda-developers.com/showthread.php?p=59561445/

I personally use Sweep to wake (up) rather than double tap to wake. It seems more reliable and doesn't trigger by accident.

Dopamin3 said:
I personally use Sweep to wake (up) rather than double tap to wake. It seems more reliable and doesn't trigger by accident.
Click to expand...
Click to collapse
That's right. But it works well with 4 taps

NLBeev said:
Turn the screen away from your body/skin.
The proximity sensor works when activated after dialing to turn the screen OFF.
Click to expand...
Click to collapse
This is my best suggestion. Turn the back of the phone towards your skin in your pocket. Absolutely the simplest solution.

Never had this happen nor should it happen. Ambient display is normally the cause and why most people turn it off. It is more likely that you are hitting the power button while it is in your pockets. Mainly to those dumb enough to keep it in their back pocket.

Always on Display dims, but doesn't turn off in pocket

did anyone notice the Always on Display dims, but doesn't turn off when turned face-down or put in your pocket?

Yes and looks as though that is how it will always be now. I read an article about how they did proximity sensor on this phone. The process sensor causes a white light to blink when it's on so it is only used when on a call.

Wait ... So the ALWAYS ON display is on ALWAYS and that's a problem??? Hmmmm

Try Gravity Screen.

vintagerock said:
Yes and looks as though that is how it will always be now. I read an article about how they did proximity sensor on this phone. The process sensor causes a white light to blink when it's on so it is only used when on a call.
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Click to collapse
This is bull s h i t! WTH!!

Yea, I was looking into this. The "behind the glass" proximity sensor isonly on when in calls etc. You'l see it's on by the flashing white dot near the battery icon when in a call etc. All other times it seems it's off. So AOD is always on as it doesn't use the proximity sensor any longer.
Really stupid on their part.

the_scotsman said:
Yea, I was looking into this. The "behind the glass" proximity sensor isonly on when in calls etc. You'l see it's on by the flashing white dot near the battery icon when in a call etc. All other times it seems it's off. So AOD is always on as it doesn't use the proximity sensor any longer.
Really stupid on their part.
Click to expand...
Click to collapse
I agree, Also I used the lift to call when in a persons sms thread in the stock messages app, now that does not work either because of this.... I can't find an option to turn it on. Never had an option on my prior galaxys as it just worked...

jstodda said:
Wait ... So the ALWAYS ON display is on ALWAYS and that's a problem??? Hmmmm
Click to expand...
Click to collapse
Yes because I want it always on WHEN I CAN SEE IT, not when it's in my pocket.
---------- Post added at 09:04 AM ---------- Previous post was at 09:03 AM ----------
Tel864 said:
Try Gravity Screen.
Click to expand...
Click to collapse
Have you tried it for this case?

This sucks... Only way I understand this it's that they decided that AOD and proximity sensor always on consume almost the same amount of battery.

I cover the proximity sensor on s9+ and turn off AOD in 30sec and then i try that on my s10+ and nothing happened and for now i turn it off because is all the time active.

Screen On In Pocket
My phone doesn't arrive until tomorrow so I have no report but, I am wondering if anyone has noticed accidental screen on in pocket or seen a setting to prevent. Older Galaxy phones had a setting to prevent this which relied on proximity sensor.

bsam55 said:
My phone doesn't arrive until tomorrow so I have no report but, I am wondering if anyone has noticed accidental screen on in pocket or seen a setting to prevent. Older Galaxy phones had a setting to prevent this which relied on proximity sensor.
Click to expand...
Click to collapse
Accidental touch is still an option on the S10, i have mine enabled but it never turns AOD off. It doesn't work like before. I'm hoping they can fix this as its getting on my nerves that I have to keep disabling AOD when leaving in my bag else it'll stay on wasting battery for nothing.
Sent from my [device_name] using XDA-Developers Legacy app

So basically if I use a wallet folio case then then AOD doesnt turn off when I close the cover?
What would be causing this?
Sent from my SM-G975U using Tapatalk

Limeybastard said:
So basically if I use a wallet folio case then then AOD doesnt turn off when I close the cover?
What would be causing this?
Click to expand...
Click to collapse
Probably need to be connected with proximity sensor but this time is under the screen who knows.

I just ran the Samsung inbuilt test *#0#* , there is no test under Sensors for the proximity sensor for this model, if I'm not mistaken other Galaxy devices did have this specific sub test under Sensors test menu
Sent from my SM-G975U using Tapatalk