Way to disable the proximity sensor during phone calls? - Atrix 4G Q&A, Help & Troubleshooting

The damn sensor is so sensitive, and with my otterbox case, everytime I am on a phone call the screen goes black and I have to hold it away from my head just perfectly and very still to get the screen to come on so I can end a call/look something up/use the dialpad for voicemail, etc etc.
Is there a way to shut the sensor off so the screen just stays on or will at least do a normal 30 seconds timeout and re-wake when I click the volume button? I dont talk enough for it to kill battery but the sensor is really, really annoying.

You can edit the file /system/build.prop
Search the line: mot.proximity.delay= VALUE
Change the value to an higher value.
Enviado de meu MB860 usando o Tapatalk 2

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Proximity sensor

When I'm in a call and put the phone to my ear the screen does not turn off instantly. Only after the screen timeout period has reached does the screen goes off. Is this normal?
Hello, and sorry for my english, i have the similar issue, when i put the phone on my ear the screen continue on, only in a few second appear lock the screen. I have another issue: the ambient senson, in darkness and sun light the automatic brightness doesn't change the bright of the screen, only when i enter to the brightness settings and change the bright automatic off and on go right, i believe that is problem of the firmware, my firmware version is the spanish vodafone version. Can i change to the generic firmware via Sonyericsson Update Service software??
kiwi45 said:
When I'm in a call and put the phone to my ear the screen does not turn off instantly. Only after the screen timeout period has reached does the screen goes off. Is this normal?
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I don't think the proximity sensor would switch off your screen instantly. It will ignore all touches to the screen so you wouldn't touch something by mistake. The screen will be off later. Can test it with your fingers on the sensor during a call.
shvyue said:
I don't think the proximity sensor would switch off your screen instantly. It will ignore all touches to the screen so you wouldn't touch something by mistake. The screen will be off later. Can test it with your fingers on the sensor during a call.
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I did that. If the sensor is blocked with my finger or ear the touch can't be used. But the screen turns off quite a bit later than that. I think it's the same screen off settings that you use normally when the phone is unlocked and you don't lock it.
I've notice that my sensor doesn't seem to work. Under the brightness option if I check the "Adjust automatically" the screen still does not adjust the brightness. Also noticed the screen goes dark a minute in on a call, when I move it from my head it does not go bright. Sometime I have to unlock screen if call is longer than a few minutes.
Yep normally proximity sensors (on Nokia, iPhones..etc) turn off the screen immediately when ur face is close. Some examples:
http://www.youtube.com/watch?v=6xakUmz1zwc
http://www.youtube.com/watch?v=YjlDm9zGLpc
kiwi45 said:
Yep normally proximity sensors (on Nokia, iPhones..etc) turn off the screen immediately when ur face is close. Some examples:
http://www.youtube.com/watch?v=6xakUmz1zwc
http://www.youtube.com/watch?v=YjlDm9zGLpc
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Click to collapse
Yeah, that's true. But I know that mine works! It's just not turning off the screen. Don't really know if it's supposed to do that though. But I think so!
Just spoke to vodafone and they are sending me a replacement tomorrow.I doubt that will sort the problem. But its worth s try!
Sent from my X10i using the XDA mobile application powered by Tapatalk
The Proximity sensor works fine. However it works differently from what you would expect:
-When making a phone call the sensor detects your big head and locks the screen (put your finger near the sensor to try it, you won't be able to push any buttons on the screen).
-It only locks the screen. The screen turns off after some time.
-When the screen is off during a call and you remove your head (or finger) from the sensor the display turns on again.
Works fine for me! Don't kill SE because they do it differently then other manufactures, it works just fine.
Well I wish I could disable the proximity sensor right now.
I am trying to make a call without my big head bloking the proximity sensor, as I need to dial a number get trough the switchboard. (right now its lying flat on my desk while I am dialing.. So no head at all, just roof)
and the screen is still locked so I cant press the number 1.
The strange thing it worked when I called SE support, but it doesnt work now.
But right now when I need it, it does not work.
Vin87 said:
The Proximity sensor works fine. However it works differently from what you would expect:
-When making a phone call the sensor detects your big head and locks the screen (put your finger near the sensor to try it, you won't be able to push any buttons on the screen).
-It only locks the screen. The screen turns off after some time.
-When the screen is off during a call and you remove your head (or finger) from the sensor the display turns on again.
Works fine for me! Don't kill SE because they do it differently then other manufactures, it works just fine.
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drfjeld said:
Well I wish I could disable the proximity sensor right now.
I am trying to make a call without my big head bloking the proximity sensor, as I need to dial a number get trough the switchboard. (right now its lying flat on my desk while I am dialing.. So no head at all, just roof)
and the screen is still locked so I cant press the number 1.
The strange thing it worked when I called SE support, but it doesnt work now.
But right now when I need it, it does not work.
Click to expand...
Click to collapse
That is indeed strange. I've just tested it several times:
Make a call> Let the screen turn off>remove from my big head>screen turns on >screen is unlocked and I can acces the 'dialer'.
Well as I wrote, sometimes I can do it sometimes I can't.
I will try to clean the proximity sensor (right side of the Sony Ericsson logo)
the next time it happens. Maybe its to over sensitive.
Right now it works to the same number I was trying earlier..
Vin87 said:
That is indeed strange. I've just tested it several times:
Make a call> Let the screen turn off>remove from my big head>screen turns on >screen is unlocked and I can acces the 'dialer'.
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Is it right to assume that the auto brightness is controlled by the proximity sensor. When I change my screen brightness to auto. It goes dull and stays dull.
Sent from my X10i using the XDA mobile application powered by Tapatalk
Ny88 said:
Is it right to assume that the auto brightness is controlled by the proximity sensor. When I change my screen brightness to auto. It goes dull and stays dull.
Sent from my X10i using the XDA mobile application powered by Tapatalk
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Click to collapse
I think that's another sensor actually.

After phone call proximity I get the lock screen

I am a new android owner. When I make a phone call the proximity sensor turns the screen off... great, no accidental screen pressing. However, when I finish the phone call or take the phone away from my ear... I get the lock screen. Why? Why doesn't the screen just go back on to whatever screen was on before the phone call... like the dial pad.
I find this annoying. To hang up a phone call, I have to unlock the screen first.
What phone are you using? Software version etc and are you rooted? This doesn't happen to me so it's not a general android issue.
Sent from my Galaxy Nexus
I have the Moto Droid X. Running CyanogenMod 7.1. Also using exDialer as a dialer replacement.
Does it happen with the stock dialer? If not that's your answer
Sent from my Galaxy Nexus
RTContent said:
Does it happen with the stock dialer? If not that's your answer
Sent from my Galaxy Nexus
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Click to collapse
Yep it happened with the stock dialer on ICS and it is happening with JB as well. I am really surprised it doesn't bother more people. What is most annoying is that, I initiated a new call and put my phone to my ear to only that the call did not even establish (e.g., due to network iss ue) and when I want to place the call again, it is already locked. It is definitely due to the proximity sensor, as the same thing doesn't happen if i never put the phone to my ear and just keep watching the screen to confirm that the call did get established (and started ringing).
njmsmith said:
I am a new android owner. When I make a phone call the proximity sensor turns the screen off... great, no accidental screen pressing. However, when I finish the phone call or take the phone away from my ear... I get the lock screen. Why? Why doesn't the screen just go back on to whatever screen was on before the phone call... like the dial pad.
I find this annoying. To hang up a phone call, I have to unlock the screen first.
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Click to collapse
If you are rooted, disable your Proximity Sensor in a call. To do so, add following line to /system/build.prop file:
Code:
gsm.proximity.enable=false
.
Plus, make sure to make screen timeout period long. You can use Widgetsoid app (or, other toggle apps) to make it infinite.
SachinShekhar said:
If you are rooted, disable your Proximity Sensor in a call. To do so, add following line to /system/build.prop file:
Code:
gsm.proximity.enable=false
.
Plus, make sure to make screen timeout period long. You can use Widgetsoid app (or, other toggle apps) to make it infinite.
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Click to collapse
I have display timeout set to 2 minutes, so that can't be the problem, as the whole experience when the call is not connected only takes 10 or 15 seconds to complete. However I have security setting to lock the screen in 5 seconds after the display goes to sleep. Perhaps that is somehow related, so I just increased it to 30 seconds, I will see if the problem goes away.

Prox sensor dead. App to turn off screen in call?

Hello every1.
So I got myself a galaxy s3 second hand, and I managed to drop it today from the first floor.
It's screen didn't got damaged, but my proximity sensor isn't working anymore.
When I am in call, my screen does not go off when the phone is at my ear because the sensor isn't working.
Is there any app, that will turn off my screen when certain events happen?(like getting a phone call)
I am too lazy to reach out to the upper sides to turn the screen off.
Is there any way I can do this?
tasker
EDIT:
Thank you very much.
I had problems but I figured it out. Too bad I cannot set the display minimum timeout less than 7 seconds, but it's okay.
So I set my screen timeout to 7 seconds when the call is answered and when the phone is idle, set it back to default.
Genius app!
Thank you so much!

Galaxy s4 screen turning on/off (keypad needed during call)

Hey. Thanks for reading!
I got an s4 recently and have not had any problems with it till now. I had to call a company today, and I thought the problem I had would not reappear. I'm posting here so...
On two calls lately I'v needed to input numbers during the call to give information. When I try to enter the numbers the screen turns off until I move it a little, then it turns on... until it detects my finger about to touch it, then it turns off again. The call continues through all of this. I could barely input the ten or so digit number I needed to provide. This only occurs during calls. Even when dialing my Voicemail I have a struggle to put in the 4 digit pin because the screen acts like a grinch, turning off when I try to press numbers. I turned off all the s4's "eye-monitoring" features and it still does this. Any ideas?
Thanks!
open your dialer
press the menu button
select call settings
uncheck "Autoscreen off during calls"
voila
seagypsy59 said:
open your dialer
press the menu button
select call settings
uncheck "Autoscreen off during calls"
voila
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This will work.. but then it'll produce another problem when your cheek starts to press buttons.. ending in a txt msg to your mom whereas the msg was created with speech to text... while you were talking to your g/f.
Found the option. I may just have to turn it on and off as needed.
Now to find the on screen keyboard sensitivity! Thanks!
I have s similar issue where my screen turns off when I start a call and doesn't come back on wheni pull they phone away from my face. It only comes back on wheni puts power button or home button, but then the screen doesn't turn back off when I put it close to my face again. Turning off auto off feature does what is supposed to but then what's the point of the auto off anyway. Still searching for answers for the last 2 weeks.
There should really be a way of adjusting the sensitivity of this. My wife's S4 just recently started doing this, and my guess is that it's picking up the palm of her hand as her cheek and preventing her from being able to actually press any buttons on the numpad while on a call.
nightspeed98 said:
I have s similar issue where my screen turns off when I start a call and doesn't come back on wheni pull they phone away from my face. It only comes back on wheni puts power button or home button, but then the screen doesn't turn back off when I put it close to my face again. Turning off auto off feature does what is supposed to but then what's the point of the auto off anyway. Still searching for answers for the last 2 weeks.
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Click to collapse
This is exactly what is happening to my two week old gs4. I make a call put it up to my face and the screen turns off correctly. Then when I pull it away from my cheek it stays off. The only way to turn it back on it to hit the power button or home button. It's like the sensitivity of the proximity sensor is off.
I just disabled the thing. Really sucks for my conference calls that I mute and unmute and also use have to key into the calls.
Sent from my SCH-I545 using xda app-developers app
.
does anyone have an actual solution for this? i've tried like 5 different custom roms trying to fix it without any luck it's so bad now that i can't even hang up anymore.
nlm842 said:
does anyone have an actual solution for this? i've tried like 5 different custom roms trying to fix it without any luck it's so bad now that i can't even hang up anymore.
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Click to collapse
You guys try using a can of air to blow into the ear piece? Dust gets in there and screws with the proximity sensor. People have fixed it that way. Also if you have a case on try making a call with the case off and see if that happens. Sometimes Even though you wouldn't think it...its too close to the sensor and messes it up. Had that happen to me
Sent from my SCH-I545 using XDA Premium 4 mobile app
Mistertac said:
You guys try using a can of air to blow into the ear piece? Dust gets in there and screws with the proximity sensor. People have fixed it that way. Also if you have a case on try making a call with the case off and see if that happens. Sometimes Even though you wouldn't think it...its too close to the sensor and messes it up. Had that happen to me
Sent from my SCH-I545 using XDA Premium 4 mobile app
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Click to collapse
I'll try it later today and get back to you on how it worked
Let us know if that works. I've been having this problem as well. However, I feel like it started happening after the last update to VRUEMK2. After that is when I noticed it, although that may just be a coincidence.
Basically no matter if I call someone or answer a call, the second I put it to my face and the screen shuts off(or if I hit the power button) it stays that way forever until the other person hangs up on their end. The screen won't turn back on until they hang up.
Sent from my SCH-I545 using xda app-developers app
My girls sprint s4 was the one doing this and like I said the compressed air thing worked. Poor design if dust can get into the ear piece and mess with a sensor that's not even right next to it. Oh well. Let me know how you guys make out
Sent from my SCH-I545 using XDA Premium 4 mobile app
compressed air works
Just tried the compressed air. It works. I agree that this is stupid.
Huge thank you to whoever mentioned compressed air in this thread. This was driving me nuts at work trying to manage through phone trees or switch calls without being able to get the screen back on. Compressed air was the fix.
THANKS!!!!!
Method 1.
As it happens due to dust so blow Air from ear speaker that will clear the dust from your sensor and solve your prob hopefully.
Method 2 (Root Needed).
go to samsung code *#0*#. then SENSORS and Read your Proximity sensor values.
Calibration is not needed if
your phone doesnt vibrate in normal but does so when u physically put your finger on the Sensor.
Calibration needed if
your phone is vibrating in this menu no matter what, you put your finger on the sensor or not
Follow these steps
1. download Android Terminal from store
2. type these commands to calibrate automatically
$ su
# echo 0 > /sys/devices/virtual/sensors/proximity_sensor/prox_cal
# echo 1 > /sys/devices/virtual/sensors/proximity_sensor/prox_cal
Reboot and see if it works.go to *#0*# and check if it continuously vibrating or only does so when you put your finger on the SENSOR.
I still continuously vibrating even after putting the upper comments use this manual maethod which always works
you need to manually put values in ur /efs/prox_cal.it Reads Hexadecimal value. so you have to convert your decimal values into HEX (which can be done by any online decimal to Hexadecimal converter).
FIND YOUR Decimal Values and pushing them into /efs/prox_cal
Method : finding two values for calibration . offset + normal value.
FINDING OFFSET
cat /sys/devices/virtual/sensors/proximity_sensor/prox_cal
note down the values it returns.. mine is 5,64,100.. you only need the 1st value which is 5.
FINDING NORMAL STATE
cat /sys/devices/virtual/sensors/proximity_sensor/state
note down the value if returns. mine is 64
now ADD OFFSET value + Normal Value
5 + 64 = 69
Convert in Hexadecimal which is 45.
Pushing the value in /efs/prox_cal
# echo -en $'\x45' > /efs/prox_cal (if not working try giving "space" after $ i.e. $ '\x45)
then
# chown system:system /efs/prox_cal
# chmod 644 /efs/prox_cal
# sync
# Reboot
All done. after that go to *#0*# then SENSORS and move your finger on the sensor, yout phone will Vibrate only when you put your finger on the sensors.
Source: click here

@#&* that proximity sensor

Proximity sensor is supposed to turn the screen off when held to your face, though I have yet to see it do that. On my phone the proximity sensor turns off the display every time I make a call or play a voice mail. This is really annoying, I almost hold the phone to my face, I have headphones, and sometimes I have to do a battery pull to end a call, and forgot about accessing other information on the phone while on a call.
I have found a patch that works with limited success by use of a startup script which resets the sensor, but it's not reliable. I understand that this is a bug in cm10,and I am running pacman based on cm10.2
Does anyone know of any other solutions? Like can I just turn it off? My old phone had no proximity sensor and accidental button presses were rare.
Kryxan said:
Proximity sensor is supposed to turn the screen off when held to your face, though I have yet to see it do that. On my phone the proximity sensor turns off the display every time I make a call or play a voice mail. This is really annoying, I almost hold the phone to my face, I have headphones, and sometimes I have to do a battery pull to end a call, and forgot about accessing other information on the phone while on a call.
I have found a patch that works with limited success by use of a startup script which resets the sensor, but it's not reliable. I understand that this is a bug in cm10,and I am running pacman based on cm10.2
Does anyone know of any other solutions? Like can I just turn it off? My old phone had no proximity sensor and accidental button presses were rare.
Click to expand...
Click to collapse
https://play.google.com/store/apps/details?id=com.incredicontrol.ProxSensorCalibrator&hl=en
It works. Mine is set to 100 on top and 0 on the bottom. I don't know what both of them do, but those values work for me. Haven't touched the app since first use, it sets on boot automatically.
thank you. i will benefit from this greatly

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