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Need help samsung galaxy s proximity sensor not working

I need help with identifying the problem why my proximity sensor isnt working. This gets annoying because my phone turns the screen off when making a call and you can turn it back on since it thinks something is all the time in front of it. Is it maybe dust? On which side is the sensor located? Is there any software update for a proximity sensor?

If I type in *#*#0588#*#* that runs the proximity sensor test. The screeen goes green, vibrates and stays on 1 all the time( doesnt flick between 1 and 0 if I i move it). What can I do?

I've got a problem with mine aswell. It is always 0 in the test (it can't sense if i put anything over it).
It use to work but suddenly sort of died. I'm not sure what the problem is too but I would like a fix if anyone can come up with one
Funny thing though, my proximity sensor worked fine for 1 call this afternoon, but failed again soon after. :/

Looks like this is one big riddle for the samsung galaxy users. :/

I made a discovery.. If i shone a bright light on my sensor and held it really close to it (like 0.5-1cm away) then the proximity sensor would react and say something is covering it. Only works with a bright light though :/

How bright is that light? May I ask you what are the other 3 values of your sensors?

ciksas said:
How bright is that light? May I ask you what are the other 3 values of your sensors?
Click to expand...
Click to collapse
hmm it was the flash from my digital camera. I think any decent light would work. Try a torch, if that doesn't work try something a bit brighter.
As for the values, which 3 values do u mean?? sorry

Light, magnetic, accelerometer.
Which rom do you have?

ciksas said:
Light, magnetic, accelerometer.
Which rom do you have?
Click to expand...
Click to collapse
oh, the values for accelerometer work fine, the xyz values react as they should when i move the phone.
Light sensor goes as high as 15000 lux when I shine the light on it.
Magnet sensor: 2 and the xyz change and react as they should. same with Azimuth Pitch and Roll.
As for the rom, I'm on darky's 10.1 Extreme Edition

As I thought my light sensor is also faulty. It goes only from 0-22lux

My solution
ciksas said:
I need help with identifying the problem why my proximity sensor isnt working. This gets annoying because my phone turns the screen off when making a call and you can turn it back on since it thinks something is all the time in front of it. Is it maybe dust? On which side is the sensor located? Is there any software update for a proximity sensor?
Click to expand...
Click to collapse
I don't know if this helps, I had a similar problem.. After i made a call my screen would not auto turn back on for me to disconnect the call.
It may have been coincidence, but after i disconnected "Increase volume in pocket", everything started working properly again.

bcosta76 said:
I don't know if this helps, I had a similar problem.. After i made a call my screen would not auto turn back on for me to disconnect the call.
It may have been coincidence, but after i disconnected "Increase volume in pocket", everything started working properly again.
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Click to collapse
Android version?

ciksas said:
Android version?
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Click to collapse
Sorry, I should had given this information. This happened on a S4 (I9505) android version 4.2.2.
I don't know if this particular phone has the same menus has mine, but its how i solved my problem.

Having this issue too.
Nothing mentioned so far has worked for me.
Galaxy S4 SCH-I545 on VZW running 4.2.2.
Unfortunately I don't know when it started so I can't pinpoint any apps as possible triggers. However I have tried out all sorts of apps status bar apps, active notifications apps, launchers (Apex is my current now)

In call screen problem after JB .. i think..

Hello,
when i call, the screen became black because of proximity sensor. when i took of the phone from my ears.... the screen don't turn on. if i puh the sensor with my fingers.. many and many times sometime it turn on..
i've a protector on screen but isn't on the sensor..

gattobau said:
Hello,
when i call, the screen became black because of proximity sensor. when i took of the phone from my ears.... the screen don't turn on. if i puh the sensor with my fingers.. many and many times sometime it turn on..
i've a protector on screen but isn't on the sensor..
Click to expand...
Click to collapse
Yea this happens to me too. I just use Hardware Disabler to stop the proximity driver. So the screen never turns off in a call until the screen time out. And you can turn it back on by pressing the power button. Keep in mind though, that app makes the phone laggy...it's annoying at times, but less annoying then waiting on people to hang up or leaving them a long voicemail when they don't pick up

Turn on the proximity sensor
The proximity sensor on V20a is disabled by default. you can enable it by going into the secret menu and your problem will be solved.
Dial 3845#*880# ---->Device Test ---->All Auto Test Menu-Full --->ALC/Proximity Test --->Enable the proximity sensor here
Done

mahendrabiradar said:
The proximity sensor on V20a is disabled by default. you can enable it by going into the secret menu and your problem will be solved.
Dial 3845#*880# ---->Device Test ---->All Auto Test Menu-Full --->ALC/Proximity Test --->Enable the proximity sensor here
Done
Click to expand...
Click to collapse
Omg thank you!! lol i was doing it the hard way haha

let's try! thanks

Strange. It works properly in my case for JB. I never activated it in hidden menu. Anyways thanks for the info.

ynkamat said:
Strange. It works properly in my case for JB. I never activated it in hidden menu. Anyways thanks for the info.
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Click to collapse
Same ! and indeed really strange

i've had the same problem. it sometimes happens, sometimes doesn't. no change after i enabled it in secret menu, still unreliable.

Screen stay dark after phone call

I am coming from a Galaxy Note 2 and i received my One this week. I do have an issue with it. Too hang up a call i have to wake up the screen manually, it seems the proximity sensor is not working correct, i tried another One and same issue. Does anyone have a solution? Normally the screen should turn on when i take the phone from my ear. Thank you for feedback.

larsheat said:
I am coming from a Galaxy Note 2 and i received my One this week. I do have an issue with it. Too hang up a call i have to wake up the screen manually, it seems the proximity sensor is not working correct, i tried another One and same issue. Does anyone have a solution? Normally the screen should turn on when i take the phone from my ear. Thank you for feedback.
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Click to collapse
is there anything blocking the sensor?

larsheat said:
I am coming from a Galaxy Note 2 and i received my One this week. I do have an issue with it. Too hang up a call i have to wake up the screen manually, it seems the proximity sensor is not working correct, i tried another One and same issue. Does anyone have a solution? Normally the screen should turn on when i take the phone from my ear. Thank you for feedback.
Click to expand...
Click to collapse
Go to your dialer and type *#*#3424#*#* find the sensor test and run it.. there are also proximity sensor calibration apps in market
In the past I've had HTC device (just one) with faulty sensor but it's the opposite to where the screen wouldn't respond to the sensor covering up.
Sent from my HTC One using xda premium

Thank you i did the test, everything works
Sent from my HTC One using xda premium

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?
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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.
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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.
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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