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Guys, I've been talking to Hai one of the techs at Asus US for the transformer. He knows I'm on xda a lot and thought I could be a huge resource for him to discover the most common issues people are having with their transformers. He knows a lot of us are power users and wants to help out xda'era as much as he can. So reply to this thread with any issues you are having and I will report back to him the most common of the issues. I also *****ed about how little their call center knew. My initial email to him actually spurred a meeting internally on how they can better train the techs in the call center (which he told me is in Jamaica)
Thanks
Sent from my LG-P999 using XDA App
I just gave you a thanks for helping to promote & solidify Asus's relationship with this community! If Asus can keep this behavior up, their products will continue to fly off the shelves, such personal support is unheard of it seems in an android world where cell phone & now tablet owners wait forever for updates and help.
screen flickering when playing via HDMI out,
resolution only 720 p.
My issues
1) The speakers and sound playback on this device is lousy. The right speaker is louder than the left. The overall music playback is of low fidelity and low volume.
2) Touch screen doesn't register clicks religiously. I can reproduce this on any damn browser, on the XDA forum home page consistently.
3) Asus keyboard is very very slow. Instantly switched to the Android one
4) Browsing and multi touch is not smooth on the default browser. Its better on Opera n Firefox though.
Issues related to YT playback are known and hopefully will be fixed with 3.1. Also, it would be nice to know when 3.1 would be available for TF.
P.S Please let your friend in Asus know that people are really freaked out by the length of the damn charging cable Asus offered
Thanks for your efforts
I got 4 times the screen goes black and could not turn it back on. I havd to do force shut down then it turned on
-sleep of death issue
-wifi seems to shut not down correctly
-high battery loss of about 3% per hour while screen off, but only sometimes. Xoom loses only about 0.5% average per hour.
Thx for your post and efforts
Sent from my Transformer TF101 using Tapatalk
Battery performance in standby is poor if wifi is set to stay on when the screen turns off. This is unlike the Xoom, which gets equivalent standby performance (<.5%/hour burn rate) whether wifi is set to stay on or turn off when the screen turns off.
My guess is that the TF's wifi is not going into a sleep mode when the screen turns off and thus burns excessive battery life. The difference is <.5%/hour if wifi is set to turn off and >3.5%/hour if wifi is set to stay on.
Again, note that the Xoom does NOT exhibit this behavior, and that my Xoom and my TF are both running (mostly) identical apps, email syncing, etc. The only difference between them is the Asus apps that run in the background, but I've run tests with those shut off and they're not the cause of the difference.
Sent from my Transformer TF101 using Tapatalk
Watching vids on the Youtube app lags so frequently it's unusable to me. This is on the latest update.
The-Nazgul said:
-sleep of death issue
-wifi seems to shut not down correctly
-high battery loss of about 3% per hour while screen off, but only sometimes. Xoom loses only about 0.5% average per hour.
Thx for your post and efforts
Sent from my Transformer TF101 using Tapatalk
Click to expand...
Click to collapse
Oops, looks like we posted at the same time. Note that I expanded on the poor standby performance, and have found it VERY consistent and reproducible.
Sent from my Transformer TF101 using Tapatalk
wifi stops working when docked and keyboard also stops working sometimes
Speakers are not even
when is honeycomb 3.1 comming
Thanks
You could leverage the poll in this thread:
http://forum.xda-developers.com/showthread.php?t=1074190
About half of the users reported touch screen issues at http://forum.xda-developers.com/showthread.php?t=1068569
Sent mine in due to significant light bleeding around 3 sides. Seems to be a bit of a problem for ASUS, if this website is any indication.
Well here's a little list you can send. Can't comment on the support staff issues as I've not had to ring them myself.
Things needing to be fixed:
Tablet:
Speaker balance still off. (louder in right speaker on some devices)
Wifi model still displays 'mobile network signal' battery use bar even though no GSM/CDMA/HSPA chip exists.
Notable video camera 'screen delay'.
MyZine FC issue.
MyCloud settings icon does nothing.
Browser intermittent FC's.
Slow default browser page refresh rate, resulting in occasional artifacting.
Home screen 'bounceback' issue.
Tapping 'Install' in the market sometimes opens a random app.
Sometimes the device doesn't wake from standby, when using the default lock screen. There seems to be various forms of this bug. >Some possible fixes to get around this bug include: do a forced power off (10-12sec power button hold). Wait 30 secs. Then turn on as normal (5-6sec power button hold). Then just turn off the lock screen in the settings; Remove all Asus widgets from the home screen<
Battery usage data not showing proper list.
Parts of touchscreen unresponsive at times. - no known cause
MyLibrary app closes itself when corrupt/not compatible files found. (Asus developer feedback on this HERE)
HDMI only outputs at 720p. Possible flickering screen issues.
Speaker 'pop' issue. After a period of inactivity with the speakers, and then suddenly they are required to play a sound, a small pop is heard, before the rest of the audio plays properly.
Dock:
Drains its battery even if nothing is plugged into it.
Tablet disconnects from dock at random times.
No way to tell the level of internal battery.
While plugged into the tablet, and in standby mode, the battery drains fast.
Click to expand...
Click to collapse
I just sent the following e-mail to an Asus Tech earlier....let's see what they have to say.
was one of the lucky people to be able to order and receive a new Transformer last week. However, I have noticed some issues that I am currently worried about and I hope that someone can address for me. Some of them are product quality issues, while others are technical issues. Any information or feedback that can be provided about any of them is greatly appreciated.
1) When I power the device on, there seems to be a crackle that comes from the speakers, perhaps caused by them receiving power. Is this normal behavior or something that I should be worried about with my speakers crackling or being blown in the future?
2) I notice that there are a lot of "creaking" like noises when the tablet is held in certain positions, is this normal?
3) My device would not power on earlier today, and it took multiple pushes of the power button, but after about 12 tries and holding it for over 40 seconds, it finally powered on, even though I never powered it off. Is this a known issue that will be addressed in the next software update?
4) This is more of a complaint than anything, but the charging cable provided with the device is extremely short. Can you offer any add on products that can increase the length?
5) I have read that a lot of people have had problems with dust underneath the screen. While I have yet to notice any dust underneath the screen, I do notice that on the top left and bottom left of my device, there is a somewhat large gap between the bezel and the screen itself, which could lead to dust problems in the future. The gap on the left is significant, while the gap on the right is non-existent. Is this a design issue with all of them, or have I just received a defective product?
All in all, what can Asus do for me in order to alleviate these problems that I have already encountered with the product? I have also just recently purchased the Keyboard Dock, which I have read various accounts online of it also having issues. Will these issues be addressed by Asus in the next firmware update? I have multiple Asus laptops, and this is my first Asus Tablet, and although I was very excited for this product, there seems to be a lot of problems being encountered with it...
Any information that can be provided would be greatly appreciated. Thank You.
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Click to collapse
About the sound not being even, he knows about that. That's why he rma'ed mine. While a lot of people think it's a sw issue he isn't sure. Hence why he wanted mine asap to troubleshoot it since none of the units in the office do this. He thinks it could have been something with a batch of them if of is hw. He also knows about screen bleed. So keep them coming and at the end of the week I will email him.
Sent from my LG-P999 using XDA App
not a huge issue in the scheme of things but offering the Transformer & dock in a choice of colors would be awesome. The brown/bronze thing happening here really doesn't show the device off to it's best advantage.
I took my setup to work, everybody thought it worked beautifully but several commented on the fact that they thought the color is unattractive and asked if
it came in anything different.
Geekbabe said:
not a huge issue in the scheme of things but offering the Transformer & dock in a choice of colors would be awesome. The brown/bronze thing happening here really doesn't show the device off to it's best advantage.
I took my setup to work, everybody thought it worked beautifully but several commented on the fact that they thought the color is unattractive and asked if
it came in anything different.
Click to expand...
Click to collapse
Did you show it to your lady friends?
Personally, I love the bronze finish. Kinda tired of looking at everything black n white
Photographs do not display as well as they should; colors are muted and they do not look as sharp as they do on my PC monitor. I have tried a couple different apps but they all display the same and given the great screen on the TF this is definitely not acceptable.
Paddman said:
Photographs do not display as well as they should; colors are muted and they do not look as sharp as they do on my PC monitor. I have tried a couple different apps but they all display the same and given the great screen on the TF this is definitely not acceptable.
Click to expand...
Click to collapse
+1 . I observed this issue too
Just got my Note Edge 2 days ago and when comparing the screen brightness (at max/no auto) it is much dimmer than our note 4. now I am not talking about the super bright setting that occurs when its on auto and outside but instead indoors. I also have been seeing a message in the display brightness settings "UNABLE TO INCREASE THE BRIGHTNESS FURTHER. THE DEVICE IS OVERHEATING" Could this be due to a faulty battery or something else? This is my only complaint with this phone but its a big one especially if i'm receiving this message. Should I return to Tmobile or is it most likely a software glitch. It is very cold where I am at so it has not been out in the sun or plugged in too long. minor use has led to this overheating message usually only seen in the summertime when in the car too long
why you need turn on full brightness? I only use brightness like 20% on that slider. it also save battery.
Sent from my SM-N915T using XDA Free mobile app
I typically enjoy and have always used max brightness and even if i didn't this issue probably shouldn't be happening. It's the fact that i think something is wrong with my new phone already. I want to make sure by asking questions
Yes something is wrong if you're not gaming intensely or something like that. It should never overheat just from full brightness I have the T-Mobile one and I use max brightness all day no problems.
Guys the samsung NoteEdge on lollipop has that issue. Basically you can't switch auto brightness fully off it will control your brightness even if uncheck the box. After weeks of searching and trying I found a kind of solution because I love to see my screen in all his power and brightness. Solution is call "screen filter" can be found in the play store for free. Set the brightness at 100% and switch it on. You'll see the difference.
Hi,
i got my Zenfone 6 today, and i really like it, but there is one thing that probably makes me return it...
The display is flickering when it‘s set to really low brightness, i think its the backlight.
I‘m not sure if it's broken or not. So, am i the only one with a flickering display?
Thank you
07713 said:
Hi,
i got my Zenfone 6 today, and i really like it, but there is one thing that probably makes me return it...
The display is flickering when it‘s set to really low brightness, i think its the backlight.
I‘m not sure if it's broken or not. So, am i the only one with a flickering display?
Thank you
Click to expand...
Click to collapse
I had the same situation yesterday, it was on low brightness too.
But only for a few seconds, for now, everything seems fine, even in low brightness.
With adaptive brightness set on or off?
Do you have the latest firmware version WW-16.1210.1904.133?
It doesn‘t matterif adaptive brightness is on or off, it does it as soon as the display lowers its brightness to the 1st 1/4 of the brightness bar...
Ok. Do you have the latest firmware version WW-16.1210.1904.133?
_jis_ said:
Ok. Do you have the latest firmware version WW-16.1210.1904.133?
Click to expand...
Click to collapse
Hi, i have the same problem. Received the phone a week ago and trying to find a solution. I am on the last firmware, tried the dev option about overlay, hard reset and still the same. Going to send it back to Asus for a refund...
I wonder if this is software or hardware related. As of now i can't use it at night with low brightness.
It will probably be a problem for a particular phone, I would recommend that you replace it with a new one.
https://swedroid.se/forum/threads/snabba-fragor-snabba-svar-zenfone-6.165775/page-38#post-2443073
Thanks for the feedback. Called Asus this morning to replace it hopefully.
My Zenfone 6 does the same. If I set the adaptive brightness on the low brightness flickering disappears. I think it's a software related problem because others Zenfone have the same behaviour.
Tried it. No matter the settings it flickers. I found a video that match the problem, weird no one noticed : youtu.be/DN1La8AbZsI
Check at 1.16 min, on the right side, it flickers like that, when the luminosity is low. This is what i see on my screen.
Same here. White backgrounds flicker when brightness set to low. Tried disabling HW overlay, but it didn't help. Phone on the latest firmware WW_16.1210.1904.133.
Anybody letting the techs at Asus know about these problems? I would like to hear about a fix before I buy anything.
I am in touch with Asus France, i have to send back the phone for an exchange as they told me it MAY be a hardware problem.
I linked the thread to them if it can help.
Every zenfone I have had (2 and 3) have had this issue.
Skhio said:
I am in touch with Asus France, i have to send back the phone for an exchange as they told me it MAY be a hardware problem.
I linked the thread to them if it can help.
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Click to collapse
I think it's a software issue...if you let the brightness working in auto mode the problem disappears.
It is set in auto mode on my device and still the same. With or without doesn't help sadly.
Hmmm is this international version? The U.S is coming next month. Hopefully this get fix before I'm buying it.
Sent from my SM-G970U1 using Tapatalk
Wulff73 said:
I think it's a software issue...if you let the brightness working in auto mode the problem disappears.
Click to expand...
Click to collapse
Mine is flickering when brightness is set to low (about 1/4-th of the brightness slider and down) no matter auto or no auto.
Funny how we here in the US complain that so many phones are released in the EU, or India, or China long before they ever appear here....but in reality it could be that we benefit from this practice so that some of these issues can be resolved by others before we have to deal with them.
jaseman said:
Funny how we here in the US complain that so many phones are released in the EU, or India, or China long before they ever appear here....but in reality it could be that we benefit from this practice so that some of these issues can be resolved by others before we have to deal with them.
Click to expand...
Click to collapse
I hope that when this phone is released in your country, this issue will be solved definitively via software update. The way I see it, this problem isn't a huge problem, fortunately. Actually the screen flickering occours only if the brightness is set to a very low level (e.g. <20%) but, with this setting, the backlight is too dim as well for use even in a dark room (obviously for my taste). Since I use adaptive brightness with default settings, the minimum value the screen brightness reaches is 34% so I never get the problem....
Hello, I've recently purchased a Oneplus 7 Pro and noticed it was using an OLED panel, the problem is that Burn-ins scare me a whole lot, as such, I have been wondering how others have been using their phones. I've tried using Google, but have found nothing truly satisfactory and as such, I have compilled a few questions i had about the display.
- Is screen burn-in still a real issue? and should I avoid using the phone over long periods of time?
- Do "True black" wallpapers help with this issue? what about dark gray? and a bright wallpaper?
- Do both the static navigation bar and status bar have issues? Same with the AOD, does the fingerprint icon cause issues?
- Should I take extra steps to prevent burn-in? (If so, please say which ones, eg. Any practices you have to prevent screen burn-ins)
(On a side note, does anyone approximatly know how long [in general] an OLED panel at medium brightness and daily moderate to heavy use has before it shows signs of burn-in?)
I'm sorry if this has already been addressed, but i have searched through the forums and have found nothing.
Thanks a lot!
CurlyApple said:
Hello, I've recently purchased a Oneplus 7 Pro and noticed it was using an OLED panel, the problem is that Burn-ins scare me a whole lot, as such, I have been wondering how others have been using their phones. I've tried using Google, but have found nothing truly satisfactory and as such, I have compilled a few questions i had about the display.
- Is screen burn-in still a real issue? and should I avoid using the phone over long periods of time?
- Do "True black" wallpapers help with this issue? what about dark gray? and a bright wallpaper?
- Do both the static navigation bar and status bar have issues? Same with the AOD, does the fingerprint icon cause issues?
- Should I take extra steps to prevent burn-in? (If so, please say which ones, eg. Any practices you have to prevent screen burn-ins)
(On a side note, does anyone approximatly know how long [in general] an OLED panel at medium brightness and daily moderate to heavy use has before it shows signs of burn-in?)
I'm sorry if this has already been addressed, but i have searched through the forums and have found nothing.
Thanks a lot!
Click to expand...
Click to collapse
I don't even think about it.
I share the same concerns.
The last OLED phone I had was a Galaxy Nexus and I told myself I'd never get an OLED screen again after that nightmare.
Dealing with the OLED issues has been better with improvements in the technology and overall quality control.
Android OS also has some changes that help prevent burn in. For example the navigation bar and status bar change colors based on the app.
With AOD I know Samsung for example slowly moves the elements around so it doesn't burn in. You can enable the Oneplus AOD with root but Always on Display isn't the same as the Ambient Display on stock Oneplus. Ambient display doesn't stay on screen long enough to really cause any burn in.
Best practices are to avoid high brightness, stay at half or less. If you have a game HUD or other static elements on screen for extended periods of time, rotate the phone when in landscape so it is less likely to burn in.
I'm not an expert on this so i'd like to hear others responses too. This is a more expensive flagship phone so I want to use it for games but avoid the burn in.
I've already read some reports of burn-in on Oneplus Chinese board. The culprits seem to be some Tencent games and its video streaming service. All have very high contrast UI elements, and users tend to turn the brightness very high.
This was the case with my plasma TV. Civ4 left some nasty burn-in in the first year but after so many years of heavy PC usage those remain the only true burn-ins on the TV. It depends on the app. Are there some ways to measure contrast of onscreen elements? In addition to phones I need to replace my plasma with OLED in the coming years.
I got burn in on my OnePlus 3 bc I keep it in my car and use it for a music player, there were times I left it on overnight on a static image multiple times, so if u plan keeping ur phone on all the time on a certain image then u don't have anything to worry about.
I used the Galaxy S3, Oneplus 3, Oneplus 5T all with OLEDs. No burn in. Never. Of course if you are and extrem case and you leave the screen static on for a lot of hours on several days there MIGHT be the risk. But with normal to "normal" heavy usage you shouldnt really be concerned.
CurlyApple said:
Hello, I've recently purchased a Oneplus 7 Pro and noticed it was using an OLED panel, the problem is that Burn-ins scare me a whole lot, as such, I have been wondering how others have been using their phones. I've tried using Google, but have found nothing truly satisfactory and as such, I have compilled a few questions i had about the display.
- Is screen burn-in still a real issue? and should I avoid using the phone over long periods of time?
- Do "True black" wallpapers help with this issue? what about dark gray? and a bright wallpaper?
- Do both the static navigation bar and status bar have issues? Same with the AOD, does the fingerprint icon cause issues?
- Should I take extra steps to prevent burn-in? (If so, please say which ones, eg. Any practices you have to prevent screen burn-ins)
(On a side note, does anyone approximatly know how long [in general] an OLED panel at medium brightness and daily moderate to heavy use has before it shows signs of burn-in?)
I'm sorry if this has already been addressed, but i have searched through the forums and have found nothing.
Thanks a lot!
Click to expand...
Click to collapse
Better u only turn it on for a few seconds, be carefull after 10 sec it gets critical..
Just don't leave the screen on at max brightness for long periods of time and you'll avoid burn in.
Because the pixels are self-illuminating and will eventually wear out/start dimming in an OLED display over time, this will probably be a concern with any phone that has such a display.
I had burn-in with my OnePlus 3T starting after a little over a year of use. I had my 6T for about 7 months and hadn't noticed any problems with it by that point.
I think the biggest culprit in long-term use is the notifications area of the status bar, unfortunately. The notification icons usually directly contrast with whatever is on the screen at the time, which ends up causing the pixels to wear out at different rates. While the burn-in on my 3T wasn't defined or crisp, there was a noticeable brightness difference where the icons usually display, and it was apparent any time there was a solid color in that area of the screen.
https://www.cnet.com/news/oled-screen-burn-in-what-you-need-to-know/
To fight this, keep up to date with swiping away notifications, and use gesture controls in OOS instead of the navigation bar.
Use Auto brightness and enjoy the phone...
Honestly, I would be concerned. I have noticed screen burn on my 7 Pro already. My specific case is that I use Waze while driving, and on long (> 1 hour) drives I get the UI lightly burned in. After I noticed it, I alternate the phone orientation 180 degrees to minimize its effects. I also have the "Colors" screen saver activate whenever plugged in, which has noticeably reduced & corrected the issue. Just be aware and adjust the phone orientation regularly and you should not see anything burn in.
My Galaxy S4 and 1+ 3T both had burn in, but after several years of use. (Same app was the culprit.) I think the reason it happened on my 7 Pro faster is because of the higher brightness and 90Hz refresh rate. Once I kicked it down to 60Hz it does not happen near as often .
thedr9669 said:
Honestly, I would be concerned. I have noticed screen burn on my 7 Pro already. My specific case is that I use Waze while driving, and on long (> 1 hour) drives I get the UI lightly burned in. After I noticed it, I alternate the phone orientation 180 degrees to minimize its effects. I also have the "Colors" screen saver activate whenever plugged in, which has noticeably reduced & corrected the issue. Just be aware and adjust the phone orientation regularly and you should not see anything burn in.
My Galaxy S4 and 1+ 3T both had burn in, but after several years of use. (Same app was the culprit.) I think the reason it happened on my 7 Pro faster is because of the higher brightness and 90Hz refresh rate. Once I kicked it down to 60Hz it does not happen near as often .
Click to expand...
Click to collapse
Do you have your screen turned to full brightness when using waze? I keep mine at about 40-50% brightness. I use maps for 2-3 hours a day 4 or 5 days a week and I have had my 7 Pro since launch and I have zero burn in. I have never had burn in going back to my note 3 days either. I/m actually looking at my OP6 right now as well and no burn in there either (bought that on launch day as well). I also activated forced 90hz all apps on my 7Pro as well and nothing yet. I'm guessing it's your screen brightness that is doing it. Nothing else makes any sense.
Tmobile demo both phone in my store have burn in.... But also does the note 9 and a few others.
Those have the same image on the screen 90% of the time and the screens are set to max brightness to show off the display. All AMOLED displays will burn in if you test your phone the same. When I use maps, I turn off auto brightness and just set it bright enough to see the screen which usually is about 40% brightness. I also change my wallpaper like once a week as well
Had burn in on both 6p and s9 and all in status bar and navigation bar. Now I've installed system tuner and switched on full immersive mode. You need to be rooted though. Using battery widget to look at battery life.
CurlyApple said:
Hello, I've recently purchased a Oneplus 7 Pro and noticed it was using an OLED panel, the problem is that Burn-ins scare me a whole lot, as such, I have been wondering how others have been using their phones. I've tried using Google, but have found nothing truly satisfactory and as such, I have compilled a few questions i had about the display.
- Is screen burn-in still a real issue? and should I avoid using the phone over long periods of time?
- Do "True black" wallpapers help with this issue? what about dark gray? and a bright wallpaper?
- Do both the static navigation bar and status bar have issues? Same with the AOD, does the fingerprint icon cause issues?
- Should I take extra steps to prevent burn-in? (If so, please say which ones, eg. Any practices you have to prevent screen burn-ins)
(On a side note, does anyone approximatly know how long [in general] an OLED panel at medium brightness and daily moderate to heavy use has before it shows signs of burn-in?)
I'm sorry if this has already been addressed, but i have searched through the forums and have found nothing.
Thanks a lot!
Click to expand...
Click to collapse
Used my OP3 for 3 years straight until I switched to the 7 pro. Never had to think about burn in. Just chill and enjoy the device
When using google maps or waze on long trips, keep the screen off till the next turn. That's what i do. I NEVER keep the screen on long enough with a static image. I don't think there is any tech that will not give a burn in with a static image over long periods of time. I will still pick OLED over LCD any day.
equlizer said:
When using google maps or waze on long trips, keep the screen off till the next turn. That's what i do. I NEVER keep the screen on long enough with a static image. I don't think there is any tech that will not give a burn in with a static image over long periods of time. I will still pick OLED over LCD any day.
Click to expand...
Click to collapse
Everyone should just have a spare lcd phone for navigation. I use an iphone 6s for navigation in my card. Tether data from my phone and dont have tk worry about burn in
I use mine for navigation ,i drive a convertible so the screen is always on high brightness.
Never had any issues with my galaxy s8 which i had for over a year and used it the same way. Poor thing had the maps on more than anything else.i broke the display before the any burn ins.
The display should not have any burn ins even after prolonged use.
However you might want to keep it at 90%max brightness.
I make the most of my oneplus 7 pro so if i notice any burn ins i'll just return it to warranty. I don't care ,i use the phone however i want to.
Also the colors are going to be visibly washed out after a few years of use compared to when it was new,that's why i always insure my phones and just get a brand new one before my contract expires.
In order to avoid getting burn-in you have to:
1. Avoid displaying images with static contents for more than one hour at a time. Many people get their keyboard burnt in because they text obsessively.
2. Avoid using a higher brightness than you need.
3. Maybe use the gesture based navigation.
Tipically burn in is a non-issue but displaying static content for more than an hour uninterrupted can get it to appear, depends on the panel, brightness and color being displayed.. Just pause what you're doing every once in a while and you should be fine.
Hey guys, when I lower the brightness to the lowest, the screen looks so weird, everything is washed out, and the left side is less bright. And also more I lower the brightness, grey colors look more greenish. Changing 120hz to 60hz makes a big difference but my question is, is it how the note 20 ultra's display works? Does your display look fine, guys? Should I get it replaced?
Here is the picture of the difference between normal and low brightness: https://imgur.com/a/NubU2ER
i had this big on 3 different tab s6. it is some kind of software-bug, cause this issue does not appear while the device was booting. BUT since you cannot do **** about this (even reseting wont help. some kind of firmware issue) your only option is to get replacement. thats a known issue for amoled-displays (but its also known that if you dimm the display enought, green is the last colour that you will see on the display)