Questions tagged [screen-brightness]

For questions pertaining to screen brightness, whether how to set, how to control or how it affects battery life.

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17 votes
2 answers
9k views

Can I set the minimum brightness of auto-brightness?

I have a Samsung Galaxy S2 I9100 and I'm getting frustrated with how dark the screen goes. I do find value in using auto brightness but is it possible to limit the minimum or lowest point that the ...
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16 votes
4 answers
45k views

How can I reduce screen brightness below the minimum without an app?

I have an Optimus Elite, and it has a minimum brightness setting. In certain apps, I can reduce the brightness below the safe minimum, but when I leave the app, the brightness is increased to the ...
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12 votes
2 answers
17k views

How does the automatic brightness settings work?

Maybe a dumb question, but I couldn't find any official documentation to confirm. Does it use the light sensor? Do most devices support it?
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11 votes
3 answers
1k views

Automatic adjust brightness through out the day

It does not seem that automatic brightness works well on my Nexus S. Basically, I want my phone's brightness to adjust throughout the day. Either that, or something that automatically adjusts ...
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11 votes
2 answers
23k views

How can I disable auto-dimming of the screen?

What I'd like to see: When idling, the screen turns off after the configured amount of time. What I see: When I don't do anything, the screen dims a bit after ~23 seconds, then at 30 seconds it ...
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8 votes
4 answers
64k views

How to recover completely darkened screen on Moto G (Lollipop) due to setting brightness to zero?

I have Moto G on Lollipop, and I mistakenly set the brightness bar to zero. Now, the screen is completely darkened and I'm not able to see anything. How to set back the brightness to usable mode ...
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8 votes
4 answers
6k views

How to prevent brightness from going to full when the battery low popup appears?

Whenever the "battery low" popup appears in my tablet, the brightness goes to full. This makes no sense because the brightness should be decreased to the minimum instead of going to the maximum, as ...
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  • 525
8 votes
2 answers
3k views

Is there an easy way to switch render effects?

I find myself changing render effects a lot on my Nexus One. During the day brightness is ok, but to read on bed it's extremely bright even on the lowest setting. I find that going to options, ...
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  • 765
7 votes
2 answers
3k views

Stop screen from dimming while on charger

How can I stop the screen from dimming when my phone is charging? (the same thing the screen does when it's about to turn off). Note that my screen already stays on, but it gets darker after an idle ...
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6 votes
3 answers
12k views

How does reducing brightness of screen increase battery life?

For all I have heard, reducing the screen brightness of your phone can increase your battery life. Just about every expert in the field agrees to this statement. But today I came across this article ...
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  • 1,123
5 votes
1 answer
7k views

How does the new "Brightness adjustment" setting work on CM11?

Cyanogenmod 11 has a new settings for Automatic brightness. Screenshot (click to enlarge) I am curious how exactly "Brightness adjustment" and "Adjustment sensitivity" work. I tried to find the ...
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  • 273
4 votes
4 answers
3k views

Make my screen dimmer than the lowest setting available on my Moto Droid?

I primarily use my phone at night and any screen that is white is super bright, even when the brightness is turned as low as it can go (0%). Dolphin HD has an add-on called Dolphin Brightness that ...
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  • 19.2k
4 votes
2 answers
10k views

Adaptive brightness is not present in notification bar and altogether does not work

My Nexus 7 2013 has updated with OTA update to Android 5.0.1. The notification bar has changed. Now when I change brightness, there is no button for auto-adjustment. It currently looks like this: ...
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  • 525
4 votes
1 answer
2k views

Apps can't see the light sensor but automatic brightness works anyway?

I don't have a toggle for automatic brightness in my phone's settings menu and I cannot install apps like Lux Auto Brightness that depend on the light sensor. I can, however, turn automatic brightness ...
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  • 3,359
4 votes
1 answer
559 views

Android Browser Brightness Setting

The web browser application on my Samsung Droid Charge has a Brightness Setting that can be accessed from the menu button while the browser is running. There is no setting to have the browser ...
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  • 1,562
4 votes
1 answer
409 views

Brightness level stuck at minimum after upgrading to Android 5.1.1

I have Sony Xperia Z (C6603, 10.7.A.0.222) and the brightness level is stuck at minimum after update to 5.1.1. I have tried: sensor test - light sensor is OK. set brightness via ADB (settings put ...
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  • 41
3 votes
2 answers
2k views

How can I control the brightness from the notification bar?

My friend has the Galaxy S and is able to control the brightness by sliding his finger over the notification-bar. He said he didn't install anything to have it (but he has a custom ROM, so that doesn'...
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  • 425
3 votes
2 answers
7k views

keep screen from dimming down when running certain app?

My 2.3.5 Android phone is set up to dim down the brightness after 30 seconds of inactivity, and shut off and lock the screen after another 30 seconds. After that, I need to unlock the screen to regain ...
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  • 1,099
3 votes
1 answer
4k views

How to add screen filter with tasker?

After hours of searching in the internet I decided to ask this question here. How can I add a screen filter using tasker. Apps like Screen Filter, etc. creates an overlay black filter on screen which ...
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3 votes
2 answers
8k views

How to lower the minimum brightness?

On my Moto Z Play on the stock 8.0 Oreo ROM (rooted, of course), I find that the lowest brightness setting is still a bit too bright for my liking. This is in contrast with my dad's Galaxy S8+ which ...
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3 votes
2 answers
940 views

How can I return from power-saving mode in Android 2.3?

I'm using a Samsung Galaxy S II Epic (with Android version 2.3.6 installed), and whenever my phone reaches 10% battery life it prompts me to turn on power-saving mode (and I do). However, once my ...
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3 votes
0 answers
533 views

How can I see which application is controlling the brightness?

How can I see which application is controlling the brightness?
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3 votes
3 answers
15k views

Why does video screen get brighter and how to prevent it?

This happens on Nexus 7 2013 (Google stock 5.0.2) and also happens on Galaxy Note 12.2 tablet (Samsung stock 4.4.2). I am in a dark room. I have set the system brightness to the minimum (let us call ...
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3 votes
1 answer
328 views

Why is my phone's brightness reset to full brightness?

I put a new SIM card in my phone, then took it out and rebooted. Afterwards I noticed the screen brightness was up to nearly 100% (I always have it all the way down). Auto-brightness was off both ...
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  • 50.3k
2 votes
1 answer
576 views

incorrect mapping from brightness slider to real system values

Sorry in advance for bad english and also for a noob question. I have a problem with brightness on my tablet Supra M94BG. There is a system brightness slider, the range is 0% -- 100% (as usual), and ...
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  • 23
2 votes
2 answers
433 views

Screen brightness too high on auto mode when in the dark room

An Android-based HTC Desire S is set to "auto brightness" display mode. The brightness is adjusted okay unless the device in a completely dark room. In a dark room then display is very bright - ...
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  • 1,198
2 votes
3 answers
1k views

How to set As Lower Brightness as in Clock application, without rooting

I noticed that with the Froyo "desk clock" application, when you put it in low light mode, it forces the back-light far darker than you can manually make it in the settings. My question is: is there ...
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  • 770
2 votes
2 answers
2k views

No auto-brightness option in LG L90 dual

My L90 has no auto-brightness option. Could anyone please suggest a way to fix the issue?
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  • 135
2 votes
1 answer
286 views

Screen turns off after a certain time

I have a weird issue on my Samsung Galaxy Ace S5830 with baseband s5830XXKPP (bought in Mexico), whenever I'm doing anything (playing a game, using a web browser, etc), after a certain time (like a ...
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  • 121
2 votes
0 answers
16 views

Increase brightness level without using backlight

I'm looking for a way to increase "software" level of brightness in Android without changing the "hardware" level, just like as if I was applying a brightness filter to an image ...
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2 votes
2 answers
4k views

Screen Distortion After Using Certain Chargers

My Nexus 5 has burned in a few times over the past year, which is very unusual since I never leave it on when not in use (30 second dim time), but today I finally noticed the trend. When I charge the ...
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  • 121
2 votes
0 answers
355 views

Way to remove fade animation when changing brightness? [Like iOS]

When changing brightness on all android devices I've tried, primarily a Nexus 10 running Rastapop, quickly sliding the brightness slider will result in a smooth fade from starting brightness to ending ...
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2 votes
0 answers
326 views

How to change video brightness?

Whenever I watch any videos, either through the Gallery, Play Movies, or YouTube, my screen becomes substantially brighter. After searching online, I suspect there's a separate video brightness ...
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  • 383
1 vote
2 answers
6k views

Something is filtering blue light and I can't figure out how to stop it

I just got a Samsung Galaxy S9 last week and since day 1 it has been applying a blue light filter even though I turned blue light filter off in the settings (Blue Light Filter turned off and also ...
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  • 1,562
1 vote
1 answer
5k views

How to change the lowest and highest screen brightness in Android?

Is there any way to reduce the lowest and highest screen brightness settings by editing the build.prop file in Android? If yes, then how?
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  • 492
1 vote
3 answers
7k views

Can I prevent my S6 from reducing brightness at 5% battery?

My Samsung Galaxy S6 with Android 6.0.1 always dims the screen when hitting 5% remaining battery. This is very bad in bright sunlight because the screen gets so dark that it's impossible to use the ...
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1 vote
1 answer
2k views

Why does brightness control not work in Oneplus 2 of CM13?

Fig. 1 max, Fig. 2 min of screen brightness where you see no difference Bug hypothesis in CM13 discussed with the authors here: no manual adjustment of brightness when the system auto-brightness ...
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1 vote
2 answers
43k views

Kindle screen suddenly became very dim on LG tablet running 4.2.2 Can't increase brightness

How can I increase brightness of Kindle screen on my LG tablet running 4.2.2? Screen suddenly became very dim. Thanks.
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  • 21
1 vote
1 answer
4k views

Is there a TRUE brightness controlling app?

I need to set my brightness below what Android allows me, and thus I'm testing a bunch of "dimming" apps. What they all have in common though is that they put on a filter over other apps so while they ...
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1 vote
2 answers
2k views

How to adjust brightness on Android TV?

I have a TCL U55P6046 (EU version of the TCL 55P607). The EU version comes with Android TV instead of Roku TV. I am trying to change the brightness on this TV, but I can't seem to find it anywhere. I ...
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1 vote
1 answer
6k views

Why can't I adjust the brightness and the sleep time on my KitKat device?

Whenever I go to settings and to display, the brightness and the sleep buttons are faded out and I can't click them. I tried rebooting my phone and a factory reset but nothing works. I don't know what ...
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  • 11
1 vote
1 answer
11k views

Can I change the *maximum* brightness from a system file/apk?

My old Asus TF101 has a faulty backlight and cuts out if it goes above (roughly) 60%. Therefore, I am hunting for a way to change (lower) the maximum brightness that the tablet will reach - both in ...
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1 vote
2 answers
5k views

How to adjust brightness alternatively?

What if system brightness control does not work ? How to adjust brightness of android phone alternatively ? I am on HTC One X. I just noticed my phone's system brightness control is not working as I ...
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  • 587
1 vote
1 answer
3k views

how does auto brightness work?

there is a similar question to this one How does the automatic brightness settings work? however, I do not think it answers my question. This is more to do with the UI. I just got myself a Galaxy s3....
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  • 1,508
1 vote
0 answers
24 views

Auto brightness turned off, but it's not

I have problem with auto brightness setting on my android smartphone. Auto brightness turned off in settings, however it still works via not changing the display brightness, but changing lighntess(or ...
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1 vote
1 answer
707 views

Lower ROM minimum brightness

On my rooted stock ROM LG G2 D802 KK 4.4.2 minimum brightness is actually 50 (not 0) on a scale from 0 to 255. Here is my dumpsys power POWER MANAGER (dumpsys power) Settings and Configuration: ... ...
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  • 454
1 vote
0 answers
47 views

Make screen brighter when phone is raised?

When raising my Google Pixel XL (latest Android Pie), without pressing anything, it already shows the clock, weather, battery percentage etc. -- that's nice. However, the screen at that point is also ...
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1 vote
1 answer
3k views

Does using brightness dimmer (screen filter) really save battery?

We know that the lower the scree light/brightness, the lower the battery consumption. There are some applications which provide ability (without root) to lower the brightness beyond the (default) ...
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  • 437
1 vote
1 answer
1k views

How to decrease screen brightness without draining extra battery

I am currently using ZenFone 5 now with android OS 5.0. Even though I've set my brightness to the lowest but it is still too bright for me, and it's battery capacity is low too... so is there any ways ...
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1 vote
1 answer
126 views

Lollipop Brightness too much

hey. I am on running on a mediatek device and today did an upgrade to Lollipop 5.1 through flashing Still exploring. But one of the things I've noticed is that the brightness level is too much. ...
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