[Q] Proximity sensor - XPERIA X10 Q&A, Help & Troubleshooting

not sure if any of you noticed. but when your on a call. the screen doesnt actually turns off...it turns black. its easily seen at nite. its slightly backlit, so the screen doesnt actually turn off completely. is there any way to mod our phone so the screen actually turns off completely. been an issue since i upgrade to 2.1..with all firmwares so far. havent tried with the lastest .435 tho

i guess no one else has this issue. try this in the dark. while on a call, not with bluetooth or a headset. while on a call. put the phone down and put ur finger over the proximity sensor. the screen will go black but the backlight is still on. so the screen doesnt turn off, but when your using bluetooth and just let the phone dim itself, the screen actually goes off...or hit the power button and u will see a difference with off and just black with backlight on.

i have the same problem...........any solution?

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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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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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Click to collapse
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.

My phone don't vibrate

My phone is rooted and everything was ok, I must mention that phone was never droped or something..
Haptic is ON, power saving is OFF and vibration is not working.. does anyone have a clue what could be?
I search here over the forum, but I didn't find any solution..
Last option is service, but I need reset phone tu original software (is there any simple tutorial?)
thx
Not sure if it's the case of your ROM, but check if you don't have any software that turns screen off e.g. with proximity sensor.
I noticed on stock rom vibration stops when screen goes off. I had to enable the phone to manage screen off/on during calls (and the screen generally stays on at the "answer" screen") as I'm using ProximityScreenOff.
the issue was vibrating motor, not software, they replace it in service

Strange screen behavior

Hello,
Yesterday I have unlocked my phone with my finger print (like I always do) and it took about 5-6 seconds for the screen to show something. The backlight turned on rather quickly but the screen remained black. After the screen turned on, it had a bad case of screen retention, the colors were also darker and I could not use the buttons from the bottom of the screen. A reboot solved all this problems.
Also, sometimes when I turn on the screen, it quickly goes dark and the slowly comes back to the initial state. During this time I cannot use the touch screen. It is like it does the wake up of the screen all over again.
I think this is a software issue (I have V20C on H850) and it might be related to the always on display. Also, all of these problems happened when I woke my phone using only the finger print (not pressing the button or knocking on the screen).
Did anything like this happen to you?

Screen flicker when waking phone

I've notice my screen flicker when waking my phone. It only does it when ambient display is set to always on. I've been able to reproduce it by unlocking the phone then pressing the power button to turn the screen off. As soon as the ambient display comes on press the power button again and the screen flickers just before it comes on.
Has anyone else got this problem?
Check the video in the link showing the issue.
https://youtu.be/WWuTusSMIGg
Sent from my Pixel 3 using Tapatalk
I have it but not as bad. For me its like very thin white almost like static lines once AOD is enabled and I turn on the phone either by the power button or the fingerprint. Once I turn off the AOD then it all goes away. It is something with the AOD but I am sure Google will say it is a feature and not a bug. Thats if they even acknowledge it.
Duplicate Thread
This is being discussed at length here:
https://forum.xda-developers.com/pixel-3/help/pixel-3-screen-flash-t3859441/page3

Telephone is turning screen backlight off when under sun

I have a Xiaomi Redmi Note 9S which has the following behaviour: it works normally until the moment it goes under the sun, then (apparently only) the backlight of the screen is turned off and never turns on again until I restart the smartphone, where it works normally until the very moment it "detects" a bright light like under the sun, then the screen goes black. When this happens, sometimes you can still see the shape of what was on screen, but most times it only goes totally black.
When the screen is black, the telephone keeps working normally (music keeps being played, receives calls, vibration responses keep working, etc...(confirmed it using scrcpy and all is working normally)), only that the backlight is turned off and it keeps totally black. During the night, i.e. with artificial light, the telephone works normally (I was able to replicate the error using a strong flashlight above the telephone, the screen also went black the very moment I turned it on).
What I tried to resolve: restarted many times, disabled every auto brightness (also one that I think is a Xiaomi MIUI only, sunlight detector, something like this) settings that are in the configuration menu, restarted using vol up + power button. Factory reseted the smartphone. Disabled pocket mode before and after factory reset.
Any idea how to proceed? What is killing me is that it seem to be a software issue, like, why the screen don't turn on back after a while, but every time you restart it, or why the phone works all night long (i.e. there no strong light on it)?
How to capture the telephone log (logcat perhaps?) and be sure of what is the exact event that is disabling screen? Maybe I can manipulate it to prevent from happening, or to make screen goes back to normal after a while, as I work as a software developer.

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