Screen staying blank during phone calls - Galaxy S 4 Q&A, Help & Troubleshooting

When I take the phone away from my ear during a phone call, or after a phone call has ended, my screen stays blank - I need to use the power button to turn it back on. Does this mean that there's a problem with my proximity sensor, or could there be another explanation?
I'm running I9505XXUBMF8, rooted stock ROM

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How to turn off the screen when talking via headset?

Hi guys,
how do you turn off the screen, when you are having a conversation via the headset?
Now I have to walk with the phone in hand instead of putting it back in my pocket. Also if the phone is in my pocket and I receive a call, then when the call is finished the phone doesnt lock resulting in calling random people.
Thanks.
I have the same issues.
Anyone with a good solution?
there are some utilities going round that enable you to shut the screen by the touch of a button... can't remember any of the names though.. sorry
I find when talking on my bluetooth headset, when I place my phone close to my pocket the screen turns off automatically, hence being off when in my pocket. Take the phone out, the screen turns back on.
Using shipped ROM.
Try it.... when talking on your bluetooth, place your hand over the phone (top of the phone has the sensors) and see if the screen turns off.

HTC HD2 End Button

Is there a way to enable sleep during a call? Right now if I am on call and I want to put the phone to sleep (turn the screen off) it would end the conversation.
Sleep
datzent83 said:
Is there a way to enable sleep during a call? Right now if I am on call and I want to put the phone to sleep (turn the screen off) it would end the conversation.
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Something is wrong? It should turn off when put it up to you cheek? sensor might not be working?
I am sorry if I didn't provide enough information. All that works properly. Its just that when I use the phone with my car's bluetooth I want to be able to turn off the screen to preserve battery life. But instead it ends the call.
well my handset if nothing passes in front of the sensor then after 10 seconds or so the screen turns off anyway. however if something passes in front and then away again, screen comes back on again for around 10 seconds or so.

Screen turns off/on in call?

I got a question. When you're talking on the phone, does your screen goes off in 10 seconds, then 2 seconds later, the screen turns back on, then turns off in 10 seconds, and keeps going..
Cuz while I was talking on the phone using bluetooth, I just happen to noticed this and even using my finger to hide the proximity sensor, it does the same thing.
[EDIT] When I'm on a call and then hit the home button to get to the main screen (still on call), then it turns off like normal and it won't turn itself on. But for some reason, in the "Call Window" it just repeatedly goes off and on.. Hmmm
Problem 2: When I'm on a call, and have my phone in my pocket, when someone phones me, my leg would help me 'accept' the call. I did a test. When I'm on a call and block the proximity sensor, the screen locks up (which is fine) but when someone phones in (call waiting), the screen is accessible again even though the proximity server is still covered. This makes it so that it would still accidently accept the call when someone phones in while still in pocket.
Can anyone try it and see if it does it on your phone?
Yes mine does that. It sucks because frequently, I will hit the hang up button with my cheek. Annoying.
I hope they fix this asap...
its very annoying, mine does the same thing

[Q] Can u tell me what the file of controlling Proximity sensor,tks in abvance==

what is HD2' file of controlling Proximity sensor,Can u tell me the detail ?tks in abvance==
My English is very bad,Many do not understand
I also have problem...
Hello, I would also like to know the answer to this or if someone knows how to disable the proximity sensor
I have problem with the latest builds, currently I am using BOYPPC_SHIFTPDA Ginger.S. Almost everytime I start dialing the screen goes black and the phone locks. I can finish the call but the phone remains locked - black screen with the buttons light on.
I manage to wake it by calling myself from another phone and and sending busytone or by pluging in USB.
I managed to be able to wake the phone up with a program called Sanity. But I still cannot wake the phone during the call, for example to send DTMF tone.
This seems to be connected with the proximity sensor. When I check the status it isn't giving any values, or sometime gives some random values. I think it isn't broken because sometimes it works well.
I haven't had this problem with MIUI builds.
So probably removing the proximity sensor drivers would solve it
also have the same problem. Ending a call makes my phone keep its screen turned off... Until i find a lamp wehere i can holde the sensor under it so that it turns on the screen again.
I'd just like to have an option so that the screen doesn't turn off in a call. I mean it must be possible to deactivate the sensor...
Just press the middle button - the win flag button - and the screen goes on again.
not easy as that the phone doesn't react at all. Hardware keys lighten up but screen stays black. Looks funny when you search for a bright light source just to use your phone again after a phone call .

Cracked screen effecting proximity sensor, any ideas?

I am getting the phone replaced, but right now it has a crack on the top left of the phone where the proximity sensor is. So as soon as i enter a phone call the screen shuts off and I have no way of turning it back on to input numbers or even end the call. I am basically doing a hard reset after every phone call. Most of the time, even when the other person hangs up, I don't regain control of the phone until a reset. Any way to shut off the sensor or access the screen while it's on?

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