[Q] Light glowing on upper part - Galaxy S 4 Q&A, Help & Troubleshooting

Does anyone else see a light glowing when looking through a camera.
It's infra red for sure, but I don't know remember using any app to activate it.

I think it's a sensor for smartpause/smartscroll/air view etc.
you can deactivate these on setting>my device go to sensor setting.

It's all turned off but the light still glows

I'm sure the light you're referring too is the Proximity Sensor. It can't be seen normally but can be seen with a camera/infra-red etc...

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[Q] Status LED ?

I tried looking in the forum for any info on the status LED next to the speaker on the front side but I don't see any posts on this. Is this LED supposed to flash or do something? On my HD it has never worked? Is it supposed to work?
I remember on my Artemis it would flash green for good reception, blue for bluetooth and red if the battery was low.
FrancoBollo said:
I tried looking in the forum for any info on the status LED next to the speaker on the front side but I don't see any posts on this. Is this LED supposed to flash or do something? On my HD it has never worked? Is it supposed to work?
I remember on my Artemis it would flash green for good reception, blue for bluetooth and red if the battery was low.
Click to expand...
Click to collapse
I may be wrong but i was under the impresion that this was a sensor rather than a LED.
No, that's entirely correct, it is the light sensor. The LED is in the power button.
the status led is on the power button on the top right hand side of the blackstone...the place u highlighted is a sensor as what scotia has point out..
I think that it is a proximity sensor used to blank screen when you put the phone on your ear to talk.
It's actually the light sensor used for when you have automatic display brightness enabled. When it's dark, it turns down the brightness... And when it's a sunny day it cracks it up. I am not sure whether it's used to blank the screen during a call... This seems to happen after a period of time has elapsed.
Gav
ok thanks for the info.
So does the power LED on the top side flash any color to show the status of the reception or does it only light up orange when it charges?
Thanks.
doesn't do anything for reception..although mine flashes green hen I have a message/email/reminder
pity though, a decent LED to show such things was probably high on everyone's wishlist
No, the HD is perfectly unobtrusive. On my last PDA the LED had to be tweaked to stop flashing.
Too bad this isnt a LED diode Since I got on my Diamond a light notification (on the bottom of device)... when I recieved new sms... now on HD there is no way I can figure do I have new sms or notification unless I turn the screen on. The only hardware flaw by mine opinion
When its lying down, I agree with you. Then I have to turn on the screen. However when its lying next to me I'm usually not in a place were I can't use my phone, so the sound is on anyway.
I actually think its quite good the LED is on the top, it's easelly visible when the phone is in my pocket. I just have to pull the phone up a little and look down to see the LED (no need to get it out and turn the screen on). I like it on the top, nice and discreet, and not anoying me when I'm looking at the device while using it.
Perhaps a combination would be nice? Front and top That would sattisfy most people I guess...

[Q] Ambient light sensor and backlight

According to the Leo/Linux status wiki (http://htc-linux.org/wiki/index.php?title=Leo/Status) the Ambient Light Sensor is still not working properly.
That would explain why auto backlight adjustment does not work.
However, when in the phone screen the light sensor seems to work in that the screen goes dark when I cover the light sensor, as expected.
So I am curious as to the status of this regarding auto backlight specifically, does anyone have any more concrete info?
Perhaps there are separate light sensors? Or perhaps the light sensor only works in a limited fashion for the time being?
Just curious, not complaining
(P.S. the free "Battery Level" widget from the Market has worked well for me in the absence of auto backlight adjustment, in case others find it useful)
well there's a proximity sensor on the phone that comes into play while you are in an active call. it disables the back as you put the phone to your ear. you were simply simulating that action by covering the sensor with your hand.
Ah ok! Thats what the proximity sensor is. That is indeed marked as working on the status wiki, so that makes sense.
Thanks!

Red Light on one of the Sensors

i just noticed when i awnsered my phone for a call one of the two sensors at the top(the one on the Left) turned a dim red light and went off when i hung up. What is that? Is it suppose to be a LED Notification Light like on other phones?
Probably the proximity light sense...the thing that turns the screen on and off when you put the phone on your ear and pull away. To my knowledge there is no led light on the phone oddly enough.

[Q] Anyone able to locate just where the light sensor is?

This may be a total noob question, but I was just curious to know the exact location of the light sensor because I cant seem to figure out where it is located.
EricSS619 said:
This may be a total noob question, but I was just curious to know the exact location of the light sensor because I cant seem to figure out where it is located.
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Click to collapse
That dot that looks like a front facing camera (FFC) - that is your sensor there that controls screen on/off on calls and the auto brightness.
riggsandroid said:
That dot that looks like a front facing camera (FFC) - that is your sensor there that controls screen on/off on calls and the auto brightness.
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Click to collapse
Are you sure, because when I ran sensor test that dot did change the proximity sensor values, but the light values wouldnt change even if I covered it completely.
The only way I was able to change the light value was to move the whole phone into a darker or brighter location, but not by finding a pinpoint sensor on the phone.
Edit 2: When I cover the proximity sensor dot (the obvious one) with my finger and shine a light at the phone, nothing happens, and when I remove my finger from the dot and shine a light right on it, the screen gets brighter. I suspect both sensors are in the same spot (the plastic dot you see probably transmits ambient light to the light sensor as well as housing the proximity sensor, in the way many computers use a little clear/frosted plastic piece to indicate the status of an LED that is buried in the chassis.
Try it with a flashlight and see if you get different results.
If you are interested in disabling the light sensor go into settings and manually set your brightness.
I have to say the proximity sensor works much better than on my Hero.
Sent from my HTC Evo Shift 4G
i noticed the proximity sensor responds much faster than the one on my Evo
The light sensor is just to the right of the proximity sensor under the speaker grill. Turn on auto-brightness and test it with your finger.
Sent from my PG06100
BrandoKC said:
If you are interested in disabling the light sensor go into settings and manually set your brightness.
I have to say the proximity sensor works much better than on my Hero.
Sent from my HTC Evo Shift 4G
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Click to collapse
thats because i dont believe there is a proximity sensor on the hero.
karnoff said:
thats because i dont believe there is a proximity sensor on the hero.
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Click to collapse
I guess that's why it would be working better!

proximity sensor red light

hello
my sgs2 have a problem he brings a light by my camera the proximity sensor.
and he brings red light what is this is this a wetness warning or what?
my olde sgs2 hes in the water falls. and i have a new sgs2. only he gives to red light in the sensor and he was wet.
is that the problem or what?
Ehh.. What?
Sent from my GT-I9100 using XDA Premium App
My sensor gives red light the proximity sensor. Sorry for my english. Id this normal?
Sent from my GT-I9100 using XDA App
He is saying his proximity sensor is red. Mine is red too. I think its normal. I can only see it when its dark though
Sent from my GT-I9100 using XDA App
Yep, very weak red light is normal. That's because it rather bright near infrared light.
Okay i can see i call and sometime when my phone is in standby have anyone this problem?
And when i test the sensor with AndroSensor than can i see rhe redlight. Some people says on a forum that the sensor cans see of the phone wet is with water...
Sent from my GT-I9100 using XDA App
rvosde1993 said:
hello
my sgs2 have a problem he brings a light by my camera the proximity sensor.
and he brings red light what is this is this a wetness warning or what?
my olde sgs2 hes in the water falls. and i have a new sgs2. only he gives to red light in the sensor and he was wet.
is that the problem or what?
Click to expand...
Click to collapse
when you are making call or sensor is activated somehow it' became red.
thats normal. dont panic.
It has nothing to do with water.
Okay. I will thank our now i can good sleep have a nice night or day!
Sent from my GT-I9100 with (Litening Rom 5.0) using XDA App
My proximity sensor will lit up the red light whenever I open up TalkBox app, I don't understand why as that app doesn't even use proximity sensor, maybe a bug or coding error in the program.
xsaintzx said:
My proximity sensor will lit up the red light whenever I open up TalkBox app, I don't understand why as that app doesn't even use proximity sensor, maybe a bug or coding error in the program.
Click to expand...
Click to collapse
Most probably .. contact the maker ..
rvosde1993 said:
hello
my sgs2 have a problem he brings a light by my camera the proximity sensor.
and he brings red light what is this is this a wetness warning or what?
my olde sgs2 hes in the water falls. and i have a new sgs2. only he gives to red light in the sensor and he was wet.
is that the problem or what?
Click to expand...
Click to collapse
i guess its a wetness sensor.. as i just experienced this issue some time back...
i had just taken a bath n my cell starting ringing, i went ahead n received the call without drying myself. As soon as i ended the call my screen went off, there was this red light coming out of one of the sensors, and the phone wasn't even switching on. I had to remove the batteries and place them back after which it started like normal.
xsaintzx said:
My proximity sensor will lit up the red light whenever I open up TalkBox app, I don't understand why as that app doesn't even use proximity sensor, maybe a bug or coding error in the program.
Click to expand...
Click to collapse
Talkbox uses the proximity sensor to determine how you are listening to your messages. If you hold the phone up to your ear then it will play the message through the earpiece. If you hold it away from your face then it will use the speaker.
karakemal said:
when you are making call or sensor is activated somehow it' became red.
thats normal. dont panic.
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Click to collapse
thx bro. i almost freaked out wen it happened again. and then i noticed that it only turns red wen m making a call ^_^
I have a problem with my proximity sensor too...
whenever im playing games/smsing/browsing with the phone...pretty much anything...
the red light is up...the only time its off is when lock...i used lcd test...it works fine(except ppl's proximity is 'null'...mine was '0')...anyone had this type of problem?
thx...=)
xWishx said:
I have a problem with my proximity sensor too...
whenever im playing games/smsing/browsing with the phone...pretty much anything...
the red light is up...the only time its off is when lock...i used lcd test...it works fine(except ppl's proximity is 'null'...mine was '0')...anyone had this type of problem?
thx...=)
Click to expand...
Click to collapse
null = 0 -.-
then any idea why is my proximity sensor light always on?i don think its normal...=)
xWishx said:
then any idea why is my proximity sensor light always on?i don think its normal...=)
Click to expand...
Click to collapse
It may be a bug or something... Did you try updating your phone, or flashing a new stock/custom ROM to see if the problem remains ?
Proximity sensor which is located beside the front facing camera will always be activated whenever you're in a call. It's slightly red in colour, and more noticable in a dark room. To see the proximity sensor in action you can go to the phone dialer and key in *#0*# and it will bring up the LCD test. Select sensor and you can see the red light of the proximity sensor being lit up. Hover your finger or an object over the proximity sensor (need not to be covering the sensor) and the phone will vibrate and so will the background change to green.
SGS-II said:
Proximity sensor which is located beside the front facing camera will always be activated whenever you're in a call. It's slightly red in colour, and more noticable in a dark room. To see the proximity sensor in action you can go to the phone dialer and key in *#0*# and it will bring up the LCD test. Select sensor and you can see the red light of the proximity sensor being lit up. Hover your finger or an object over the proximity sensor (need not to be covering the sensor) and the phone will vibrate and so will the background change to green.
Click to expand...
Click to collapse
Lol at you... Did you even bother reading the first page of the thread ? Guess not, since you're just repeating what we already told the guy

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