Screen randomly getting dim - AT&T Galaxy Note 3 Q&A, Help & Troubleshooting

I have auto brightness off, auto adjust screen tone off and brightness set to max. My screen randomly dims and then gets bright again...anyone know what's causing this?
sEnt from thE noTe 3

Hmm is it this adapt display option maybe?
sEnt from thE noTe 3

Same here then I went into my settings to check the brightness (settings, display, brightness) and it said brightness decreased to prevent over heating or something like that ..check it next time you notice it dimming and see if it's the same thing ..pretty annoying
Sent from my SM-N900T using xda app-developers app

power saver uses the dimming option for low consumption of battery and make sure auto adjust is off in display settings
Sent from my SAMSUNG-SM-N900A using XDA Premium 4 mobile app

I'm willing to bet adapt display
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Power saving isn't on. Adapt display didn't fix it either
sEnt from thE noTe 3

I have everything turned off also ..I checked in my settings every time my screen dimmed and every time the same message ..it was driving me nuts for days (still is)
Sent from my SM-N900T using xda app-developers app

I've had this happened to me also.
It seems to be more frequent when I'm using Chrome ( not stock browser ). It suddenly gets dim and then may or may not eventually brighten up again, it's pretty random
Also happens when I'm on the launcher but not as frequent
- Automatic Brightness / Off
- Screen Mode / Professional Photo
- Power saving mode / Off
- Auto adjust screen tone / Off
Is there something else I may be missing?

It happens to me while using the xda app. Annoying as hell. It has the same message as Melissa
sEnt from thE noTe 3

Rippley05 said:
It happens to me while using the xda app. Annoying as hell. It has the same message as Melissa
sEnt from thE noTe 3
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Does anyone know if this processor does thermal throttling? That could possibly trigger a power save dim with overheating. If we get root this can be disabled using trickster mod.
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The Otimus G Pro had a setting in the hidden menu to disable thermal throttling.
"If you choose not to decide, you still have made a choice"
Sent from my Galaxy Note 3, Using XDA Premium.

PeartFan40 said:
The Otimus G Pro had a setting in the hidden menu to disable thermal throttling.
"If you choose not to decide, you still have made a choice"
Sent from my Galaxy Note 3, Using XDA Premium.
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Hmm I wonder if t his is hidden somewhere? It is incredibly annoying

Rippley05 said:
Hmm I wonder if t his is hidden somewhere? It is incredibly annoying
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Agree..
If you find something, let me know
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xxmelissaxx said:
Agree..
If you find something, let me know
Sent from my SM-N900T using xda app-developers app
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Will do, you as well plz :good:

Thought this was an issue with my phone when I got it from AT&T yesterday. Glad to know it isn't just me. It seems to only have the issue when I am in a low-lite area (at least on mine) but when I am in an area with good lighting and the back light is 75% or more it doesn't dim nearly as much. Would be interested to see what a fix would be for this.

psychonewb727 said:
Thought this was an issue with my phone when I got it from AT&T yesterday. Glad to know it isn't just me. It seems to only have the issue when I am in a low-lite area (at least on mine) but when I am in an area with good lighting and the back light is 75% or more it doesn't dim nearly as much. Would be interested to see what a fix would be for this.
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Same for me, it does it in low light obly, with or without power saving enabled. I have the same problem on my galaxy tab 2 (7) and couldn't find a fix yet.
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Rippley05 said:
Will do, you as well plz :good:
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The service mode is brought up by typing *#0011# in the dialer on this phone but aside from that i havent had a chance to mess around in there. I do know that key imput 1 doesnt bring up the main menu anymore.
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Bladerunner1825us said:
The service mode is brought up by typing *#0011# in the dialer on this phone but aside from that i havent had a chance to mess around in there. I do know that key imput 1 doesnt bring up the main menu anymore.
Sent from my SAMSUNG-SM-N900A using XDA Premium 4 mobile app
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Hmm says invalid MMI code.

Hmmm thats weird it worked on mine. Theres another code that didnt work for me. As soon as i find it ill edit and paste it here
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So I've been having this issue and noticed it like two days ago, and reading all your responses I looked through and noticed I had one of the features that I thought I turned off. Smart Stay says that it starts to turn the screen off when we look away maybe it's a buggy feature (one I never intended to use but it might be the one doing this dimming thing (being one of the first steps to turn off the screen)

Related

Auto Brightness Issue

About two weeks ago I turned on my Auto Brightness. Last week the screen just started going dim randomly. To be clear, its so dim I can't see anything unless its at a particular angle. Also (depending on how bright the screen was prior to going dim) if I apply pressure to the sides of my phone, just above the Menu and the red End button, the screen will become bright again. Since then I have turned off Auto Rightness and performed a hard reset yet the problem still occurs. Can someone please help me?
It hasn't been dropped, or been subjected to moisture of any kind. I've only had it for about two months. It was a replacement from Asurion Insurance. Any help would be greatly appreciated.
Sent from my HERO200 using XDA App
Anyone? Any ideas? Haha, I'm desperate!
Sent from my HERO200 using XDA App
Auto brightness on our phones hasn't really been all that great, I've had random dimming or it'll go super bright in a dark room. mostly the issue is that auto brightness on phones is not all that great, they don't monitor the brightness of your surrounding but rather your face and that's where the problem lies.
My Auto Brightness isn't enabled. Yet the screen still goes super dim.
Sent from my HERO200 using XDA App
lactosedept said:
My Auto Brightness isn't enabled. Yet the screen still goes super dim.
Sent from my HERO200 using XDA App
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Then thats a different problen, i havent come across this. Sorry.
Hero---Froyo---Forbidden Love
lactosedept said:
My Auto Brightness isn't enabled. Yet the screen still goes super dim.
Sent from my HERO200 using XDA App
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Make sure it isn't on, because it shouldn't happen if you have it set to a custom level
Haha damn, don't like the sound of that. Thanks for the help!
Sent from my HERO200 using XDA App
lactosedept said:
Haha damn, don't like the sound of that. Thanks for the help!
Sent from my HERO200 using XDA App
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No problem, let me know if you need anything else!

Why does it vibrate like 5 seconds after lock?

Like the title says, I'm wondering why the phone quickly vibrates twice like 5 seconds after a screen lock. Anybody else notice this?
EDIT: actually I noticed its only when the screen is touched after its locked? Pretty annoying.
Sent from my SAMSUNG-SM-N900A using XDA Premium 4 mobile app
Weird mine doesn't do that at all. You got an app or anything running in the background perhaps causing that?
Sent from my SAMSUNG-SM-N900A using Tapatalk 5
Under Controls -> Motions there is a setting for "Smart Alert". That's probably what you are feeling. It vibrates when you pick up the phone and you have a notification and the screen is off to let you know there is something you missed.
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RavenZwei said:
Under Controls -> Motions there is a setting for "Smart Alert". That's probably what you are feeling. It vibrates when you pick up the phone and you have a notification and the screen is off to let you know there is something you missed.
Sent from my SAMSUNG-SM-N900A using xda app-developers app
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This...
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Mad383Max said:
This...
Sent from my SAMSUNG-SM-N900A using XDA Premium 4 mobile app
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I was kinda close about an app causing it lol
I have the same problem, you dont have to touch it. Smart alert is turned off. When I lock the screen itll vibrate twice a few seconds later. I cannot figure out what it is and it just started after the android 9 update
Garrett56 said:
I have the same problem, you dont have to touch it. Smart alert is turned off. When I lock the screen itll vibrate twice a few seconds later. I cannot figure out what it is and it just started after the android 9 update
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I have the same issue on my Note 10+ and cannot find a solution. Smart Alert is already turned off so it is something else. It happens if the volume is set to sound or vibrate and the only way to stop it is to set the phone to silent. Hopefully someone here can share an actual solution.

At&t Galaxy Note 3 Lag Battery drain

I have had my At&t Note 3 for about a week. When I first got the device I was amazed at the speed and great battery. But for some reason today lag started, rapid battery drain and screen keeps freezing. Has anyone else had this problem
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butchieboy said:
I have had my At&t Note 3 for about a week. When I first got the device I was amazed at the speed and great battery. But for some reason today lag started, rapid battery drain and screen keeps freezing. Has anyone else had this problem
Sent from my SAMSUNG-SM-N900A using xda app-developers app
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Ouch. Not here. Getting 20+ hours on each charge. Have you rebooted? Sometimes a reboot helps clear up memory just like on a PC. Have you installed anything recently before the issues started?
Yes I have rebooted. Have not installed anything outside of playstore apps..hmmm I did install adobe flashplayer??
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butchieboy said:
Yes I have rebooted. Have not installed anything outside of playstore apps..hmmm I did install adobe flashplayer??
Sent from my SAMSUNG-SM-N900A using xda app-developers app
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Thats unusual. I have Flash installed also. Hasnt made a difference. Hopefully someone else chimes in with some suggestions.
Thanks for response...Everyone here at XDA is great.
Sent from my SAMSUNG-SM-N900A using xda app-developers app
Yeah this place is awesome!
butchieboy said:
I have had my At&t Note 3 for about a week. When I first got the device I was amazed at the speed and great battery. But for some reason today lag started, rapid battery drain and screen keeps freezing. Has anyone else had this problem
Sent from my SAMSUNG-SM-N900A using xda app-developers app
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Haven't had problems with screen freezing, but I was getting some pretty subpar battery life.
It may be counter-intuitive but my battery life has Drastically improved by turning off power saver. I don't know if the throttle up/down on cpu and brightness is too aggressive and does more harm than good or what but this was the major offender for me. My battery went from ~10 hours to ~20+ on normal usage.
Some other things I did that netted a gain before turning off power saver.
Change Settings/Wifi/Advanced/Keep Wifi on During Sleep from always to only when plugged in.
Freeze app/task for S-Search
Freeze S-Voice
Turn off settings / controls / motions
Turn off settings / controls / air gesture
Turn off settings / controls/ smartscreen
Hey thanks for all the info. Will try all that u suggested
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Is there a way to turn off auto contrast?

I cant seem to find the option in the new firmware and no one has any input
unfaix said:
I cant seem to find the option in the new firmware and no one has any input
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Settings, Display, Brightness
UN tick Adapt to lighting conditions.
Is that what you wanted?
There was another setting before the 257 update that let you uncheck an option that said something like 'automatic change screen condition to save battery"
I'll just have to reflash the old version to do a screen shot for you guys.
Sent from my C6902 using Tapatalk
unfaix said:
I cant seem to find the option in the new firmware and no one has any input
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I've posted similar question earlier, but no answer so far. It was called "Optimised backlight" and it was positioned right below "Pulse notification light". It is basically DLS (Dynamic Luminance Scaling) and it is the most annoying power-saving feature in the known universe and I absolutely hate it. It should be a way to disable it with root explorer, but I can't find it in the folder where it was on my Xperia T.
Sent from my C6903 using XDA Premium 4 mobile app
unfaix said:
There was another setting before the 257 update that let you uncheck an option that said something like 'automatic change screen condition to save battery"
I'll just have to reflash the old version to do a screen shot for you guys.
Sent from my C6902 using Tapatalk
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I think I read somewhere that Sony removed it due to it bugging out with some apps.
They should remove it then, not leave us without possibility to turn this crap off.
Sent from my C6903 using XDA Premium 4 mobile app
Yeah. I would think if it doesn't work when on, then they should have disable it and left it off by default.
All other Android phone worked without trying to change this crap.
I love this phone but it's annoying me a lot when reading text that has dark background and graphics.
Sent from my C6902 using Tapatalk

[Q] Screen On

Curious how come when I get a notification for lets say... Google Hangouts, my screen doesn't light up ? Is there any way to change this.. or nothing can be done? Thank you.
Certain apps have the option to allow it. Personally it is horrible to have that. Say you get a notification in your pocket, there will be a ton of screen presses that happen when your screen turns on. It is also a waste of battery.
Sent from my SM-N900A using XDA Premium 4 mobile app
Most the times the notification light would come on. Top left corner
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