Weird red light... - Samsung Epic 4G Touch

I have noticed lately a little red light above the S in the *S*amsung logo above the screen. Anyone else notice this? A reboot fixes it but is this damaging my phone in some way?
*no its not the notification led* lol
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_dan said:
I have noticed lately a little red light above the S in the *S*amsung logo above the screen. Anyone else notice this? A reboot fixes it but is this damaging my phone in some way?
*no its not the notification led* lol
Sent from my SPH-D710 using XDA
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To my knowledge there is no l.e.d in that location. To the left of the "S" is the proximity light sensor. Could it be that light is reflecting off the screen and emitting itself in a way that seems like a light source?

xST4T1K said:
To my knowledge there is no l.e.d in that location. To the left of the "S" is the proximity light sensor. Could it be that light is reflecting off the screen and emitting itself in a way that seems like a light source?
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I only started noticing it in pitch darkness and it even stays lit when the screen is turned off and off of the charger. :0
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_dan said:
I only started noticing it in pitch darkness and it even stays lit when the screen is turned off and off of the charger. :0
Sent from my SPH-D710 using XDA
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You're the second person that I heard that has this problem, but that post goes way back though and can't remember what he did to trigger it. Almost doesn't make sense a proximity having any light source though. Maybe it's a sign the sensor is failing
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sol_671 said:
You're the second person that I heard that has this problem, but that post goes way back though and can't remember what he did to trigger it. Almost doesn't make sense a proximity having any light source though. Maybe it's a sign the sensor is failing
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I'm noticing my phones been getting hotter than normal so something might be wrong. Tomorrow calls for a fresh flash and I'll keep it posted if I ever see it again or my sensor failed. Thanks.
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sol_671 said:
You're the second person that I heard that has this problem, but that post goes way back though and can't remember what he did to trigger it. Almost doesn't make sense a proximity having any light source though. Maybe it's a sign the sensor is failing
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Just triggered the red light playing with the proximity sensor.
Weird how it was on without me being on a call but I found out the light is normal.
Thank you
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I honestly wouldn't worry about it. You might even not notice it if you switched to a dif rom with dif proximity sensor settings. I dont think its unheard of for an IR device to slightly glow red, prob just slightly more sensitive than another model. If you search for glowing proximity sensor you will see many devices that have it sometimes, and is even dependant upon updates/rom changes.
The only thing I would keep an eye on is, if you really think your phone is getting hotter than usual alot. It may be that the IR is receiving too much power, in which case it also may glow red, or the IR led may be dying and putting off visible light instead of IR
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sol_671 said:
You're the second person that I heard that has this problem, but that post goes way back though and can't remember what he did to trigger it. Almost doesn't make sense a proximity having any light source though. Maybe it's a sign the sensor is failing
Sent from my SPH-D710 using Tapatalk 2
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I was the one who posted about this a while back. It's the proximity sensor.
This guy has some application installed that keeps the proximity sensor on. It does pit out some light that you can see in a dark room.
For me I believe it was a notification application that I had set up to not go off if the phone was in my pocket hence the need to use that sensor.
If you make a call in the dark take a look, you will see that it may light up.
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proximity sensor or the light sensor, gotta be infared, normal tho, cause i can see mine sometimes at night too.

Yep it is the proximity sensor. You can actually go into tasker and tell it to turn the proximity sensor on or off and the red light will show up and go away. It has to be pretty dark to see it though.

No Hal 9000 references?

Related

Flash ligh

Ive downloaded a few different flashlight apps such as brightest flashlight, n torch but they don't stay on for no longer then minute or two.
What's a flashlight app that works with our phones n stays on till I tell it to shut off not when it decides to.
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bigfdaddy said:
Ive downloaded a few different flashlight apps such as brightest flashlight, n torch but they don't stay on for no longer then minute or two.
What's a flashlight app that works with our phones n stays on till I tell it to shut off not when it decides to.
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They turn off to protect your phone...
Who would want the camera led on for a long time?
I thought Brightest flashlight had duration options.
Sent from the future.
Well I would like more then a minute use....sometimes a minute just not long enough...so I didn't know if it was the phone doing it or the apps.....
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I use tiny flashlight + led it works perfectly, and has a widget.
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Ok thanxs will try it .....
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If you need a flashlight that bad, you should probably just buy one of those cheap LED flashlights for $15.00 rather than risk damaging the LED on your phone. I thought that using your flash as a flash light for a long period of time regularly could actually burn out the LED because it was not made for that.
Mship said:
If you need a flashlight that bad, you should probably just buy one of those cheap LED flashlights for $15.00 rather than risk damaging the LED on your phone. I thought that using your flash as a flash light for a long period of time regularly could actually burn out the LED because it was not made for that.
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I don't know why I totally overlooked burning out the LED. I actually used mine a few times but it was for 30 seconds. I was using Tesla LED
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I've got plenty of l.e.d flashlights but sometimes in a pinch the cell comes in handy and it never been on for Max of 10 mins...so please keep sarcasm to a minimum thnxs...
sent from my fingertips to you're eyeballs ..
Dont understand why you think what I wrote is sarcasm. It was giving you a generally advice of caution. I had an Evo before and everthing I read about using the LED as a flashlight for more than a mintue or two was that it could damage your device.
http://www.androidpolice.com/2010/0...-instead-hands-on-also-works-with-htc-desire/
"A Word Of Caution
The Internet seems to be split on the opinion of whether keeping the LED lights turned on for more than a few seconds can severely damage them or not but some people advise against using any flashlight apps that keep the light on permanently.
I am not a physicist and I won't be pushing the EVO's LEDs to that extreme of a test, but I think a caution for you, our readers, is definitely in order - proceed at your own risk."
I was only trying to help you out.
I put my phone on the cmcordrr app then put flash on and reduce the resolution to as small as it can get and hit record
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Mship said:
Dont understand why you think what I wrote is sarcasm. It was giving you a generally advice of caution. I had an Evo before and everthing I read about using the LED as a flashlight for more than a mintue or two was that it could damage your device.
http://www.androidpolice.com/2010/0...-instead-hands-on-also-works-with-htc-desire/
"A Word Of Caution
The Internet seems to be split on the opinion of whether keeping the LED lights turned on for more than a few seconds can severely damage them or not but some people advise against using any flashlight apps that keep the light on permanently.
I am not a physicist and I won't be pushing the EVO's LEDs to that extreme of a test, but I think a caution for you, our readers, is definitely in order - proceed at your own risk."
I was only trying to help you out.
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Click to collapse
Ok sorry was just in a piss poor mood so srry for jumping at ya like that....I had used my mytouch 4g l.e.d flash to do car repairs one night for about an hr and all was fine. If an l.e.d can't stay on for longer then minute or two then why make house hold lights l.e.d and things along them lines isn't all l.e.d the same....
sent from my fingertips to you're eyeballs ..
I can't see LEDs burning out unless you really user the hell pity of it. LEDs are popular because of the brightness and reliability. I can't think of a time i've seen LED anything burn out, not that it isn't possible.
Sent from my Epic 4G Touch.
gtuansdiamm said:
I put my phone on the cmcordrr app then put flash on and reduce the resolution to as small as it can get and hit record
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Exactly what i was about to say,
If the duration of damage is less than a minute, why are we able to record videos with the LED on?
i use Tesla led as well, works well with widget locker, can turn the led on from lock-screen with a nice slider, pretty sure it'll stay on as long as it needs to, also also has strobe and Morse code functions which are pretty cool.
Kikoshi said:
Exactly what i was about to say,
If the duration of damage is less than a minute, why are we able to record videos with the LED on?
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I was just thinking the same thing...unless the flashlight apps intensify the brightness
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Flashlight app..
I've always just used the one that forces your screen to full white. I never wanted to risk burning out the led, either. I've found that the full bright white of the screen has always been sufficient for me.. even with my old HTC Hero.
flashlight hd led works great

Led and vibrate = battery destroyers

I have been frustrated by battery life with the ics leaks, getting maybe 6 hours on a charge.... I thought it was maybe bad batteries but...
Turning off LED notifications and vibration on keypress has me at 7 hours of normal usage and at 91% battery.
Holy crap you guys, can it be this simple? Is anyone else seeing this kind of improvement?
Btw, gb roms never drained like I was seeing, even with keypress vibration on....
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I might try this but I do like haptic feedback. The LED I would question on being part of your gain in battery life though. It's power draw can't be much if even noticeable. For one they're not very bright (remember how bright Blackberry LED's were?) and also the flash timing is long but with a very short duration.
Just as a reference. My dad has this Pink Floyd CD with a red LED on the spine of the case. It's powered by 1 AA and that damn thing blinked every 2 or so seconds 24/7 for about 12(ish) years.
That vibe motor though... well I had a joke about women, BOBs, and batteries but I lost it. The words are there, you figure something out.
Someone else posted in another thread that it is not the led itself that drains battery but the fact that keeping it blinking prevents the phone from going into deep sleep. (I assume it is checking to see if there are active notifications.) That WOULD explain the difference...
I believe notification led blinking rely on a software timer thus keeps phone from going into deep sleep mode currently
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Yes, I usually did this on the leaks. Turn off all sound, all vibrations (haptic and notification) dim the screen to minimum and remove the led and you can last 24hours. You will miss every phone call. But who has time for phone calls? Anyway, battery life is fine on cm9 a5 even if I forget to charge at night.
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I've been keeping up with this myself with great interest. Led notification is pretty valuable for me as i typically work in a noisy environment. Anyone want to comment on whether this can be "fixed" once source is released.
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ClutchR1 said:
I've been keeping up with this myself with great interest. Led notification is pretty valuable for me as i typically work in a noisy environment. Anyone want to comment on whether this can be "fixed" once source is released.
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It might be fix once source is release as for me I dont use the notification led light at all if im away from my phone I just hit the power button and see if I missed anything whenever I get near my phone but luckily my phone is always on me
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http://device.sprintpcs.com/Samsung/SPH-D710/FF11.rdf
it has to stop sometime, doesn't it????
I feel so bad for our devs.
Can someone tell me where the led option is? I'm on AOKP
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Smurphjw said:
Can someone tell me where the led option is? I'm on AOKP
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On stock:
SEttings|Display|Pulse Notification Light
LED is known to cause wakelocks on ICS roms

Battery Drain Cause??

well i haven been noticing this for the past few months.......and wanted to finally post about it....
if u notice the front of the phone near the speaker to the left is a red little light a sensor then the camera....well the thing i have noticed while on CM9/ics roms(cant remember if it was on 2.3 or not) is that red light will come on when just doing normal phone things
now matter what app killer you use it stays on until u reboot...when the light is on the phone will start to run hot and battery drain is awfully quick.....now this only happens really while the red light is on...
now idk if anyone else here has noticed this aswell but if u are running any ics rom and ur phone gets hot and starts to drain quick take a look and see if its on
wow no one else?
imtjnotu said:
wow no one else?
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There is another thread on something very similar it has to do with either to much voltage going to the ir sensor or a faulty sensor. However this doesn't seem to be a wide spread issue
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imtjnotu said:
wow no one else?
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After an hour and a half waiting between posts I bet its your impatience burning up your battery...

what is the two lil sensors next to the fron facing camera??

I searched this thread and googled it but cant seem to find why there is a lil red light next to my front facing camera.. It comes on sometimes and the only way to turn it off is to reboot.. what is it from?? Should that light be coming on like that? Thanks.. o the lil red light i see is very dull its not brite at all but i can still see it
Nooblube said:
I searched this thread and googled it but cant seem to find why there is a lil red light next to my front facing camera.. It comes on sometimes and the only way to turn it off is to reboot.. what is it from?? Should that light be coming on like that? Thanks.. o the lil red light i see is very dull its not brite at all but i can still see it
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It's a sensor to detect distance from face or surfaces etc. It shouldn't be constantly on. Has your battery been draining quickly?
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Nooblube said:
I searched this thread and googled it but cant seem to find why there is a lil red light next to my front facing camera.. It comes on sometimes and the only way to turn it off is to reboot.. what is it from?? Should that light be coming on like that? Thanks.. o the lil red light i see is very dull its not brite at all but i can still see it
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One of them is the ambient light sensor (For use when you set screen brightness to auto). The other one is the proximity sensor, which is the red light you're seeing. It senses if something is in front of the phone (i.e the side of your face during a phone call, so it can turn screen off.). It may be on because of the direct call feature. Go into gestures and turn this off and it may turn your "red light" off. However it is not very hurtful, and is not usually a problem for most.
RS7JR said:
It's a sensor to detect distance from face or surfaces etc. It shouldn't be constantly on. Has your battery been draining quickly?
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yes sometimes it does bad.. I just got the phone few days ago.. Im woundering why it dont turn off sometimes? maybe thats why the dude sold me the phone!!
Nooblube said:
yes sometimes it does bad.. I just got the phone few days ago.. Im woundering why it dont turn off sometimes? maybe thats why the dude sold me the phone!!
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Hopefully just a bug. If you are stock, try a factory reset. If he sold it to you with a custom rom, reflash one from here that you like. Basically, start fresh.
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If you're in any messaging app or call log and have direct dial enabled it will be on as long ad you're in the app. If you have a flip cover screen off mod it'll be always on. It's called a proximity sensor and the red light you see is from the infrared sensor that detects distance from a surface to automatically turn the screen on and off such as when you're on a call.
☆SoA: Son's of Android™☆
I like to break stuff!

What is yellow-ish LED telling me?

When plugged into the charger the LED flashes Red until it's charged...Green when 100%...Blue when I have a notification. Sometimes I find it flashing on odd orange/green spot. What the heck is THAT?
I'm worried about it because in my earlier days of tinkering with electronics I found that when you overdrive a red LED it will look similar--right before it burns out
《sigh》
When charging blinking red very low battery orange is charging above 14% but below 90% green charging above 90%..
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Solid yellow even when in standby & not on charger.
guy48065 said:
Solid yellow even when in standby & not on charger.
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Check your notification settings. There is an option in some roms to turn on led in different color for different notifications. Try disabling all led notifications, including charging?
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I have a stock AT&T s3. I've searched all over my phone for apps that might have custom led notifications, drilled down through all my phone settings. .. nothing in my phone and nothing found online.
This isn't an indicator I see every day -- only occasionally.
It's also hard to describe the exact appearance. It's not a single yellow dot -- it seems to be at least two tiny led's close together bc it looks like a tiny "yin/yang" shape.
... should mention I'm running 4.3... but i think i also saw this on 4.1
I see this on any gs3 rom I run. Not sure either. I just assume it means it's sort of charged, but not in the green yet.
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natefish said:
I see this on any gs3 rom I run. Not sure either. I just assume it means it's sort of charged, but not in the green yet.
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Yours does it on the charger? Mine flashes yellow when on my hip. I'm pretty sure it's some sort of app notification but I haven't been able to determine WHICH. I've disabled most of the Facebook and eBay notifications--they seem to be the worst offenders for sending out constant annoying dings.
If I can find a way to disable update reminders I'll then be nearly nag-free.

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