yashsingh1/xdaforums huggingface dataset:
[LG V20 Questions & Answers] @rbiter:
Probably disabled. T-Mobile usually disables on Samsung devices, but they're inconsistent about it. Way to go T-Mobile. Removing usable features that have nothing to do with profits or your network. Stupid. We should bombard Legere. And also bombard him to add fastboot commands back into next firmware update.
[LG V20 Questions & Answers] leyvatron:
The feature is there. I can adjust the brightness while auto brightness is on, but it doesn't work so well.

For example, I set my auto brightness and adjust the slider to 30% indoors, but when I walk outside it slides back up to 100% instead of limiting my auto brightness to 30% of my max.

Hope that makes sense.
[LG V20 Questions & Answers] dodo95:
Same issue here on Tmobile version

I love my V20 but this whole brightness thing is driving me nuts. The slider don't move unless auto brightness is unchecked. Just the mostly useless 0%, 50% and 90% option. Removing this feature is crazy common TMO you can do better.
[LG V20 Questions & Answers] spexwood:
It makes sense, but from the way you're describing it, that's the pre-Marshmallow way it worked.

It used to be that you could set the limit to auto-brightness, and the system would simply adjust the brightness curve with the new max brightness in mind. Some phones even allowed you to set the min brightness as well.

The way it works now is that each lux (or lumen, or whatever the light sensor picks up) point on the brightness curve can be adjusted. So, if you were at home, in the dark, and the auto brightness was at 0%, you could change it to 5% and every time you encounter the same amount of light (NOT to be confused with the same lighting conditions, meaning "sitting in a dark room"), then the screen will go to 5%. Let's say you move into the living room and the room has a dimmer switch set to low. The phone displays the screen at 50% brightness, but that's too bright for your eyes, so you set it to 30%. Now every time you go into an environment with the same amount of light, the phone will go to 30% instead of 50%.

Let's say you now go outside on a bright and sunny day. The screen will most likely max out at 100% brightness. If you wanted to change this to maybe 90%, you again just change the slider to 90%, and now every time you go outside on a similarly bright and sunny day, the display will change to 90%. HOWEVER, if you're still out in the sun and you tilt your phone up 45 degrees, that will affect how much light the sensor picks up, so the display will self-adjust. You can still change it though. So if you set that value to maybe 50%, then every time your phone picks up the similar amount of light, it'll go to 50% brightness. So on that same sunny day, if the phone is pointed directly at the sun, then it'll be 90%, but if you tilt it 45 degrees, it'll go to 50%.

If the next day you go out and it's cloudy, then the display won't likely be 90% again just because you're "outside." It may be 75% or something due to the sun being obscured by the clouds. You can change that as well.

So simply put, any time the brightness is not to your liking, just do this:

-pull down the notification shade, but keep the phone still while doing it and make sure your shadow doesn't suddenly block the light sensor (you don't want the brightness sensor to read a different value because you suddenly tilted the phone 45 degrees or a black shadow comes over it).

-change the brightness as desired

-close the notification shade

The system will then take any user adjusted brightness points and fill the spaces in-between with a calculated curve. What this means is that if at 200lux, you defined 40% brightness, and at 400lux, you defined 60% brightness, then (in simplest example form) at 250lux, the brightness would be at 45%, 300lux at 50%, and 350lux at 55%.

This is how it's SUPPOSED to work, and it works fine on my AT&T version. But without a T-Mobile device in my hand, I unfortunately can't tell if it's not working for you all because T-Mobile and Verizon removed the feature or messed it up somehow, or if you all just aren't used to using it correctly and aren't doing it right (NO OFFENSE!).
[LG V20 Questions & Answers] pbelcomp:
Lux is the way to go for T-Mobile users.
[LG V20 Questions & Answers] leyvatron:
Oooh, so the brightness software is improved according to sunlight. I didn't know that. I figured it was like the old way I mentioned. I have to test it and see if it is properly working because right now, the software/sensor isn't working properly for me. Now that I know this info, I was probably messing up the display brightness by adjusting and readjusting not knowing the software was storing my display brightness according to light. [emoji106]
[LG V20 Questions & Answers] planetbeen:
Definitely can't adjust the slider when auto is checked on tmobile v20. Was the same for V10.

Happy to have learned how it's *supposed* to work though!

Very interesting and frustrating that t-mobile would disable this for some unknown reason.
[LG V20 Questions & Answers] koppee1:
I tried that but, adjusting whole auto was on.. But it wasn't working out too well.. lux is what did it for me. Auto brightness didn't change fast enough..
[LG V20 Questions & Answers] BozQ:
I notice it likes to just stay at 50% most of the time.
[LG V20 Questions & Answers] Andrew025:
Yeah, that definitely isn't how it works on my phone and I have an AT&T version as well.

I've sat my phone on my counter and have to continually adjust the brightness because it keeps adjusting it under the same light.
[LG V20 Questions & Answers] dragion:
Strange that T-Mobile decided to remove the adjustment feature...I could swear that my LG V10 was adjustable in Auto mode.

It's grayed out on the V20 in Auto mode.
[LG V20 Questions & Answers] spexwood:
Works perfectly fine on my AT&T Version
[LG V20 Questions & Answers] Andrew025:
Yes... I read that in your post I quoted...

Which is why I said my AT&T version doesn't...
[LG V20 Questions & Answers] midmadn:
Works fine on Sprint model as well.
[LG V20 Questions & Answers] spexwood:
And I say again that mine does work and that I have the same phone as you.

The ATT version definitely doesn't have this feature disabled, so you're either not doing it right or you have something interfering with your auto brightness control (like a 3rd party app or something). I've done all I've can to help, and I'm definitely using the feature myself. Once you know the feature exists (which many don't), then it isn't hard to get it working.

Sorry you can't get it to work right :(
[LG V20 Questions & Answers] Andrew025:
I have no 3rd party app that would interfere.

I've sat my phone on a flat surface under constant light and watched it adjust itself every time I changed the slider.

Going off your description of how it "should" work, how could I possibly be doing something wrong?

It shouldn't be adjusting itself every time I change it if it should be working how you described.
[LG V20 Questions & Answers] spexwood:
If I were there in person to help you, and see what's going on, and to show you exactly what to do, I would.

As you just said, if the phone is sitting still under constant light, and auto brightness is on, AND you adjusted it to your liking (without having your hand blocking the light source while doing so), then the brightness should not be changing at all since the light is not changing. Either something is being lost in translation, your light sensor is broken, the sensor is being obscurred by a coming and going shadow, or, as I said, maybe something is affecting it somehow. Or, maybe you're wanting something different and I've been misunderstanding you.

I'm not trying to argue with you or anything. All I'm saying is that we have the same phones, and it's working perfectly fine on mine and I honestly can't help you any more, so I'm sorry.

EDIT:

Here is an article from the S7/Note7's feature. I came from a Note7, so this is definitely what I'm talking about.

http://www.greenbot.com/article/303...brightness-fixes-a-major-mobile-headache.html

After rereading the article, there's a good chance that the V20 really isn't doing what I think it's doing. A placebo(?) effect?

If it really is a placebo, then now I need to reexamine what's actually going on, because my phone IS switching between certain levels of auto-brightness under specific lighting conditions.

Example: When in my bedroom with the overhead light on, the screen brightness was initially jumping up to 50% brightness and it was hurting my eyes. I adjusted it down to 25% and now every time I stand under that same light fixture in my bedroom, the screen won't go past 25%. On the other hand, when I go into my living room with just the lamp on my end table on, and I'm sitting on the couch, the screen tries to jump up to 30%, and again, it was too bright, so I put it down to 15%. Now in the same spot with that lamp on, the screen only goes up to 15%, but in my bedroom (as just described), the screen still goes up to 25%.

I SWEAR it's working, but who knows? Maybe it does work to some extent, but doesn't work very well?
[LG V20 Questions & Answers] saulvg:
My AT&T works as it should as well. Even in auto it still lets me adjust the brightness slider. And it seems to be adjusting to my habits.
[LG V20 Questions & Answers] spexwood:
Something interesting that I just (unfortunately) discovered is that as soon as you disable auto brightness, it seems to clear all the adjusted brightness points you made with the stock auto brightness. :(

So if you have everything perfect, but uncheck the Auto checkbox, then check it again, then say bye bye to everything you spent days on setting up.

Also, just as an FYI, I have been playing with Lux too today and last night. It works pretty good. Just extremely annoying to me that you can be looking at a dim screen, but are still blinded by the second screen and nav buttons being at 100% brightness. That's the only thing driving me nuts about that app. Otherwise, it's pretty nice and also allows for an automatic night mode, which is a pleasant bonus.
[LG V20 Questions & Answers] koppee1:
Yeah... You can try turning on auto brightness and it will be at 50 be percent. Lower it to say...30. turn off auto brightness and when you turn it on, it will be back at 50.

That's why I went with lux as well...
[LG V20 Questions & Answers] GaresTaylan:
ATT user here. I find mine sets itself way too dark at night. At least compared to the note 7 and note 5 I had before that. So I tend to use auto during the day then manually adjust at night.

Another annoyance is when it sets itself so dark if I turn auto off it always defaults to 0%. One thing I really liked on my notes was if I manually set it to the 30% then turned auto on, anytime I would disable auto it would switch back to what I had it on manually before.
[LG V20 Questions & Answers] Corbitt74:
No matter what phone I use I turn it off. Set any where between 45 to 70 % depending on screen type. This phone at 60 is just fine for me.
[LG V20 Questions & Answers] albinoman887:
anyone compare build.props from the att build and tmo? this is really lame they did this.
[LG V20 Questions & Answers] MadamKira:
Do you mean F.lux (root required) or are you speaking of a different lux?
[LG V20 Questions & Answers] spexwood:
Someone correct me if I'm wrong:

https://play.google.com/store/apps/details?id=com.vito.lux
[LG V20 Questions & Answers] koppee1:
Yes..that's the one
[LG V20 Questions & Answers] spexwood:
Just want to add that after lots of time with my V20, I DO believe that the ambient auto brightness- or WHATEVER it is called is on this version of android- IS working, but doesn't seem to be working great. I say that because yes, I am able to tell the auto brightness what settings I prefer by adjusting the slider, but it doesn't seem to work as great as it did on my Note7. The V20 seems to be very quick to change brightness when it isn't always necessary to do so, or it over reacts to different brightness levels. It's definitely getting annoying now, LOL.

I was originally not liking Lux because at the time of my original posts, it had an issue that seemed to keep the 2nd Screen and nav buttons on at full brightness, no matter what the main screen was changing to. So, you'd end up with a dim screen, but still be blinded by the nav buttons and 2nd screen.

Well, I'm now using Lux because I'm now finding it better than the stock auto brightness AND because that bug is fixed in the app, so the 2nd screen and nav buttons change with the main screen's brightness.

I guess after using a phone for a while, you begin to get used to things and get annoyed by other things too. -_-

So yeah, I think I see what the point of this thread was all about.
[LG V20 Questions & Answers] pbelcomp:
I'm happy with lux as well.

Something to be aware of is that I have run across more than one app where one of the on screen buttons won't work.

I don't think it's only Lux that this happens with.

To get the button to work, I temporarily put Lux to sleep, use the button, then turn Lux back on.

I have seen it with "rings extended" and installing an update to the "Amazon Underground" app.
[LG V20 Questions & Answers] Zacharee1:
Lux probably uses a screen overlay. Android will block certain app installs or permission settings from being changed when one is active.
[LG V20 Questions & Answers] Nitemare3219:
Sounds about right. You also cannot install a downloaded app outside of the Play Store without disabling Lux.

Lux is great on this phone to my eyes only when set to the Dynamic and Car modes... anything else is too dim unless I'm going to sleep. The only downside to using Lux, is that the screen will not enable the brightness boost in sunlight. To do that, you just need to pull down the notification bar and check "Auto" for the brightness. Lux will override it eventually, but the screen will enter the boost mode and should be easier to see outdoors. I emailed the dev to see if he could implement this on his own, but no reply... I also find the Smart mode, really STUPID. Doesn't work worth a damn. Shouldn't have bought the app had I known that.
[LG V20 Questions & Answers] MadamKira:
Thank you!
[LG V20 Questions & Answers] Andrew025:
Thanks for the lux recommendation.

I haven't had to mess with the brightness at all (except for the initial settings).

I would normally be screwing around with it all day.
[LG V20 Questions & Answers] Zacharee1:
Does Lux lag out the notification shade for anyone else? It's happening on both my V20 and Tab S2. Rebooting will fix it, but only temporarily.
[LG V20 Questions & Answers] koppee1:
I had this too..but I uninstalled greenify to test...and the lag is gone. Maybe ii was closing something related to it...
[LG V20 Questions & Answers] BROKEN1981:
Works fine for me.
[LG V20 Questions & Answers] Zacharee1:
I don't have Greenify on either device :/
[LG V20 Questions & Answers] axaman943:
i also have found auto brightness is kind of strange acting sometimes, inside sometimes i try to lower backlight and i feel like it's not dimming down... i'll try out Lux
[LG V20 Questions & Answers] @rbiter:
Auto brightness is so bad on H918 I'll sometimes have it on auto having used it in the sun and then later on I'll unlock my phone in the dark and it'll still be at the same high brightness. Smdh.
[LG V20 Questions & Answers] minerjon:
I cant adjust my slider when auro brightness is on. My brother has the same exact phone he can adjust his slider while in auto mode .

Please help!
[LG V20 Questions & Answers] Zanoob13@gmail.com:
You're not alone. Mine "sticks" so to speak all the time. As in it does basically what you said. I'll unlock my phone in a dark room and it will blind me at full brightness until I uncheck and recheck auto brightness.
[LG V20 Questions & Answers] @rbiter:
Lol. Yep. But mine has worked half ass a few times recently. I think holding or putting phone on a level surface might make it work sometimes but I've rarely tried. Nonetheless it's a first world problem. Moved on. Everything has it's little quirks. It is still an awesome phone.
[LG V20 Questions & Answers] rubiicon59:
Easy. Swap SIMs when he's asleep..... ;)
[LG V20 Questions & Answers] brick_breaker:
Mine just stopped working altogether. By that I mean ive turned auto on and off repeatedly and slept/woken the screen repeatedly, still brightness stays at 100%. The slider is where I leave it (or maybe elsewhere but still not 100% if auto) but the actual brightness is... Ouch. Its 100%. Gonna try power cycle, let you know. Just now this happened btw. No update, no power cycle, just tried to turn off auto and slide to 0%.

---------- Post added at 06:46 PM ---------- Previous post was at 06:28 PM ----------

Ok power cycle fixed it. Also I forgot that I have tasker and that I set it to change my brightness. Not sure but probably tasker is to blame. Or I was trying to change it at the exact time tasker was going to. Oh well hope it never happens again because I've been so happy with this phone so far.
[LG V20 Questions & Answers] amirhosseinakb:
my h990ds v20 phone auto brightness not working some times and i have to turn this feature Off and On to correct it.

i haven't used any third party power management app ,nor any launcher and so on...

what's the solution please ?
[LG V20 Questions & Answers] fire_mouth:
Mine is usually too dim. I resort to manual brightness ( brighter) but then I run my battery down faster . I tried adjusting the brightness while it is in Auto mode as they said above. It does NOT stick on my LG-V20. It would be great if an update or app would allow me to adjust the auto brightness a little brighter than what it wants to do. The worst is in a medium bright room.
[LG V10 Q&A, Help & Troubleshooting] ricbaez:
I found several listings of good used unlocked v10s for less than $250. With all the variants there are, which one do you guys recommend me getting? I am one who likes to root and have xposed and custom recoveries. I know currently the T-mobile is unlocked bootloader, but is there any development for any of the other v10s? International? AT&T? Verizon? Any hope for those phones or should I stick to an unlocked T-mo. variant?

Edit: Sorry guys, delete this thread. I have MetroPCS and I just now learned that a T-mobile device can work on Metro without being unlocked. So I will be buying a T-mobile LG V10 instead of an unlocked one.
[BLU R1 HD Guides, News, & Discussion] christianrodher:
Hello everyone. We found a way to unlock and root a BLU R1 HD in ota version 6.6.

Files http://xdaforums.com/showpost.php?p=69387472&postcount=5

Here are the instrucction:

none important note: my english sucks! Que viva Puerto Rico :P

thanks to:

[MENTION=5672995]jcadduono[/MENTION] - wrote recowvery-app_proccess64

[MENTION=5312578]mrmazak[/MENTION] - main tester, bat script writer & fastboot steps

[MENTION=3976779]Scorpius666[/MENTION] - mod recowvery-app_proccess64 and lsh into cow-app64-mod

[MENTION=7811757]christianrodher[/MENTION] - compiled dirtycow , cow-app64-mod & found the steps to unlock/root

@rootjunky - for files

[MENTION=4939713]lopestom[/MENTION] - twrp recovery

@brenns10 - wrote lsh
[BLU R1 HD Guides, News, & Discussion] KazuDante:
nicely done guy.

wait you guys have a 64bit enabled r1HD? how?
[BLU R1 HD Guides, News, & Discussion] christianrodher:
thats just the name of the files... they are compiled as 32bits
[BLU R1 HD Guides, News, & Discussion] KazuDante:
Oh ok...man i had my hopes up.....because we need to enable the r1 in a 64bit mode
[BLU R1 HD Guides, News, & Discussion] GuestD0086:
congrats!

lol... give them root and they want 64bit.
[BLU R1 HD Guides, News, & Discussion] khyr:
Excelente viejo! lo voy a probar saludos desde honduras
[BLU R1 HD Guides, News, & Discussion] vampirefo:
Release the source code for these files, they are based on open source files.

Too refuse to release the source is selfish and hurtful to the spirit of open source, in which these files are based off of.
[BLU R1 HD Guides, News, & Discussion] mrmazak:
The binaries are in the download. Is that what your looking for.

Or the .c files ?

I don't have the un-compiled xxx.c files.

But they are same as from this GitHub.

https://github.com/jcadduono/android_external_dirtycow

Just with minor changes to the referenced /dev/block to match whatever device it's for.
[BLU R1 HD Guides, News, & Discussion] vampirefo:
Yes I am requesting c file for cow-app64-mod and no it's not in the github you linked to.

If Christian told you it was just a minor change to reference /dev/block then he is being dishonest and needs to be truthful and release the c file.
[BLU R1 HD Guides, News, & Discussion] willdoyle22:
cant seem to get files to download correctly on Mac. has this been tested using adb and fastboot via macbook pro?
[BLU R1 HD Guides, News, & Discussion] mrmazak:
I know I'm on Windows. And o e other user who did it on arch. So that's two os's. I don't know why it would be different on a mac. You should be able to download it from the website.

But the batch (.bat) is a Windows thing isn't it.

I assume the adb commands will be the same , but might have to type each one out. That's what someone else did who was doing it on an arch Linux

Also remember there is an adb.exe and windows drivers .DLL in the downloaded zip. So you mifht have to remove them so your Mac used your adb and drivers
[BLU R1 HD Guides, News, & Discussion] willdoyle22:
i removed the windows files/exe's. when i type in the first command " adb push drtycow /data/local/tmp/dirtycow" i keep getting the same response... "cannot stat 'dirtycow' : no such file or directory"

is this an error on my part?

* not necessarily new to rooting, but definitely new to doing it manually and dealing with locked bootloaders so i apologize if i am asking obvious questions*
[BLU R1 HD Guides, News, & Discussion] mrmazak:
Try giving it the full path. For example if the file dirtycow is in /home/willDoyle/download. Then do "adb push /home/willDoyle/download/dirtycow /data/local/to/dirtycow"
[BLU R1 HD Guides, News, & Discussion] willdoyle22:
still no luck. it is at least recognizing it as a directory, but now anytime i try to push it, it just blasts me with all the different possible commands within adb... cant find anything that points out a specific problem. Thanks for your help btw.
[BLU R1 HD Guides, News, & Discussion] mrmazak:
How about going back to the basic command to see if your Mac is conected to the phone. What do you get with "adb devices" ?
[BLU R1 HD Guides, News, & Discussion] willdoyle22:
works fine, shows my device serial number and then brings up a new command line
[BLU R1 HD Guides, News, & Discussion] willdoyle22:
attached screenshot of terminal
[BLU R1 HD Guides, News, & Discussion] mrmazak:
oh I see. maybe

you need two (2) arguements for adb push

"adb push (sourse file location)(1 space)(destination file location)

ex ; willy_$ adb push willy/desktop/dirtycow /data/local/tmp/dirtycow
[BLU R1 HD Guides, News, & Discussion] willdoyle22:
just wanted to say thanks! got everything done, decided to not roll back to the previous bootloader version, but i blocked ota updates and amazon ads/apps so I think i should be fine. rooted and running xposed, finally got what i wanted out of this phone!!!
[Galaxy Grand Prime Themes and Apps] Chelo-Latic:
Hello guys

Here is the quick settings for our Grand Prime

First:

You must to have root your phone

Set correct Permissions rw-r-r--

Only SM-G531H!!!

Link to download the files:

https://drive.google.com/file/d/0BxiMMaUxf_iNTVpCb182NmM2VnM/view?usp=sharing

Photos:

https://drive.google.com/open?id=0BxiMMaUxf_iNVnRaR3BZeWFFMmc

https://drive.google.com/open?id=0BxiMMaUxf_iNbVljdDhoMGw0VlU

When you got it the files, go to system/priv-app and then search it the folders of SecSettings_Ess and SecSettingsProvider and replace it the files.

:)
[Galaxy Grand Prime Themes and Apps] waleeds1:
We already have this but still keep up with your work
[Galaxy Grand Prime Themes and Apps] LucyHeartfilia:
Good work???
[Galaxy Grand Prime Themes and Apps] Sadik Farhan Shimanto:
Bootloop :(