Develop Bugs

horizontal lines on the screen?

I just purchased my phone and i am noticing horizantal lines on light color backgrounds like white and gray. It is extremely annoying, especially for the price i paid for the phone.
Anyone else having this issue. Looks like i have to exchange it. Any thoughts?

sti-06 said:
I just purchased my phone and i am noticing horizantal lines on light color backgrounds like white and gray. It is extremely annoying, especially for the price i paid for the phone.
Anyone else having this issue. Looks like i have to exchange it. Any thoughts?
Click to expand...
Click to collapse
If you can still see them above 20-40% brightness then you may have a poor screen. It is normal to see grains and a small amount of banding on AMOLED pentile displays when the brightness is very low. They entirely go away for me at 25% brightness.

I dont see them over %40-50 brightness for white backgrounds but they still can be seen on grey backgrounds. Well when you keep the brightness that high it sucks the battery pretty quick. I dont know what to do
Should i just go ahead and exchange it?

I have this same issue. I swapped it out 2 times each one had the same issue.
I'm pretty upset about this.
I've been told that the iPhone had similar issues and that use of the phone will cure the screen and the glue. Not sure if this is the case. I have been playing movies non stop to help "cure" the screen.
I notice it most when I use auto brightness. If I put the brightness all the way up it pretty much goes away.
Anyone able to help us out?

its because this phone uses an outdated "pentile" screen. sure its "HD" with a higher resolution & pixel count then standard pentile screens but its still pentile. if you want a screen that will amaze you then exchange your phone for a Rezound. i actually had a Rezound but gave in to the hype and exchanged it for the Nexus. oops

This has been discussed on here (and on forums for other phones) for some time now. I've followed many of the threads, and my understanding was that it had more to do with Super AMOLED displays, rather than pentile.
For example, the Galaxy SII also has this issue, and it uses an RGB display, not pentile. And my Nexus One, which is pentile, uses a non-Super AMOLED display and doesn't have this issue at all.
All that being said... when I got my Galaxy Nexus, this was more noticeable than I expected to be... but I found it actually bothered me less than I thought it would.

I call them vertical banding ghosts, but I guess in your case they are horizontal. Every sAMOLED phone has them, I don't know why. My Vibrant has it too, but honestly I just got used to it and now I don't even notice them.
I wonder what causes it.

phazerorg said:
This has been discussed on here (and on forums for other phones) for some time now. I've followed many of the threads, and my understanding was that it had more to do with Super AMOLED displays, rather than pentile.
For example, the Galaxy SII also has this issue, and it uses an RGB display, not pentile. And my Nexus One, which is pentile, uses a non-Super AMOLED display and doesn't have this issue at all.
All that being said... when I got my Galaxy Nexus, this was more noticeable than I expected to be... but I found it actually bothered me less than I thought it would.
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Click to collapse
it isnt bothering me too much either actually. just sucks that at this point in time(on a high-end device even) that we're having to deal with it period. my last 3 phones were HTC(Incredible 2, Thunderbolt & Rezound) and they never had this issue. Actually, the display on the Rezound was the best i had ever seen.
just in case anyone is having second thoughts about the Nexus, i have seen the Rezound going for around $300 - $500 on craigslist/ebay & the Nexus' at $600. so you could always make a bit of money rather then just doing an exchange at the store.
im contemplating it myself depending on how soon/if they can fix this phone & ICS to get it to properly play certain files/games that are a big deal to me.

If they were to fix the screens, would they replace the older phones for free?

QuickFusion said:
If they were to fix the screens, would they replace the older phones for free?
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Click to collapse
I don't think there will be a fix because I don't think it is necessarily broken. All phones with sAmoled have those banding ghosts (I'm assuming this is what the OP was reffering to). I've never heard of horizontal though, usually vertical. All the sAmoled phones have it.

Drachnem said:
I have this same issue. I swapped it out 2 times each one had the same issue.
I'm pretty upset about this.
I've been told that the iPhone had similar issues and that use of the phone will cure the screen and the glue. Not sure if this is the case. I have been playing movies non stop to help "cure" the screen.
I notice it most when I use auto brightness. If I put the brightness all the way up it pretty much goes away.
Anyone able to help us out?
Click to expand...
Click to collapse
Update: I went back to Verizon and played with their Demo phone, had the rep come look for reference, then we unboxed and booted until we found one with out the lines. This is defiantly not a technology issue, its a defective screen issue.
I swap for the new phone and now I have no lines.
When you go, make sure you pull up dark green and white full screen and DO NOT accept any phone with the lines.
Now that I have one without a screen issue I can relax. Yes, the Rezound has a smoother look and a little more resolution or PPI (pixel per inch) but it doesn't come near the vibrancy of the Nexus.

Drachnem said:
Update: I went back to Verizon and played with their Demo phone, had the rep come look for reference, then we unboxed and booted until we found one with out the lines. This is defiantly not a technology issue, its a defective screen issue.
I swap for the new phone and now I have no lines.
When you go, make sure you pull up dark green and white full screen and DO NOT accept any phone with the lines.
Now that I have one without a screen issue I can relax. Yes, the Rezound has a smoother look and a little more resolution or PPI (pixel per inch) but it doesn't come near the vibrancy of the Nexus.
Click to expand...
Click to collapse
Hmm this method sounds like pain however, I expect this phone to be %100 flawless as far as hardware goes for the money we are paying for it. Without a contract this phone costs $800 and it is not acceptable to have a screen that has vertical lines on a phone that costs as much as this one.

sti-06 said:
Hmm this method sounds like pain however, I expect this phone to be %100 flawless as far as hardware goes for the money we are paying for it. Without a contract this phone costs $800 and it is not acceptable to have a screen that has vertical lines on a phone that costs as much as this one.
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Click to collapse
If you're paying $800 off contract for this phone you aren't looking at your options. VZW sells it for $649. You can import it for $685.
This isn't a defective screen issue, it is how the technology is made. Just because one phone doesn't experience it to the same caliber as another phone does not mean it isn't simply how the screens are.

The phone is for verizon however i bought from bestbuy mobile. They brought the phone up without my upgrade and the price came out to $800. Thats where i based my price.
Honestly, I will not pay $685 for this phone yet alone $800.
I am a little confused now...should i not exchange it?

sti-06 said:
The phone is for verizon however i bought from bestbuy mobile. They brought the phone up without my upgrade and the price came out to $800. Thats where i based my price.
Honestly, I will not pay $685 for this phone yet alone $800.
I am a little confused now...should i not exchange it?
Click to expand...
Click to collapse
The point is no one should ever buy an off contract phone from Best Buy or Amazon, because they make more money by locking you into a two year contract, that is why their off contract prices are ridiculous.
And unless you want to be like that one guy and unbox every single phone in the store until you find one that doesn't have the bands, you should just keep it because it isn't a screen defect the one he found after doing that just doesn't experience it as much as some of the other ones.

joshnichols189 said:
The point is no one should ever buy an off contract phone from Best Buy or Amazon, because they make more money by locking you into a two year contract, that is why their off contract prices are ridiculous.
And unless you want to be like that one guy and unbox every single phone in the store until you find one that doesn't have the bands, you should just keep it because it isn't a screen defect the one he found after doing that just doesn't experience it as much as some of the other ones.
Click to expand...
Click to collapse
Dang...
I am a little disappointed tho. I mean all this hype and screen doesnt even function how it supposed to. Leaving the screen brightness high sucks the battery life.

I actually turned brightness all the way up, even then i still get vertical lines on grey backgrounds.
I dont think that is acceptable, i am going to exchange this phone.

Just tried it in the settings menu by around 5% drops and don't see these lines u speak of. Do u have a link to a sample picture/background to reproduce them?
Sent from my Galaxy Nexus using XDA App

I thought I was the only one with this problem too, no biggie. It only seems noticeable on the lowest brightness for me at night anyways...

voxigenboy said:
its because this phone uses an outdated "pentile" screen. sure its "HD" with a higher resolution & pixel count then standard pentile screens but its still pentile. if you want a screen that will amaze you then exchange your phone for a Rezound. i actually had a Rezound but gave in to the hype and exchanged it for the Nexus. oops
Click to expand...
Click to collapse
voxigenboy said:
it isnt bothering me too much either actually. just sucks that at this point in time(on a high-end device even) that we're having to deal with it period. my last 3 phones were HTC(Incredible 2, Thunderbolt & Rezound) and they never had this issue. Actually, the display on the Rezound was the best i had ever seen.
just in case anyone is having second thoughts about the Nexus, i have seen the Rezound going for around $300 - $500 on craigslist/ebay & the Nexus' at $600. so you could always make a bit of money rather then just doing an exchange at the store.
im contemplating it myself depending on how soon/if they can fix this phone & ICS to get it to properly play certain files/games that are a big deal to me.
Click to expand...
Click to collapse
Your posts are seriously the most worthless waste of bandwidth I've ever read on a forum. I really have to take a look and find the ignore feature. They are just unbearable to read any longer. I'm convinced you just come here to talk **** about a damn cell phone.

I love this freagin Phone Gawt Damn it.

I don't care about the little freaky glitches or that the battery only lasts a day with moderate usage(typical android and pretty good for htc). The phone is damn sexy, HTC sense for once works for me and I like it. The screen is out of this world, and it takes a second for my eyes to accept the low resolution, and clarity of the real world when I take my eyes of the screen. I love the quality of pictures it takes and really expected far worse from an HTC camera. The design and feel is sexy. Not to heavy and not to light, 4.7 inches and it feels like a much smaller phone. Little cute LED to let me know what I am missing(not the strobe light that upsets my wife at night on the galaxy nexus). Its the first phone that makes me want to whisper love poems to it.
Now where are the damn screen protectors and cases worthy of her beauty?

There is a white one x sitting in my amazon cart right now, taunting me. I bought the GNote at launch and I love it but its not a bad idea to have a smaller phone for other situations. The one x seems pretty damn impressive. I have a feeling that with it not being sold in the US in quad core form, it will hold its value pretty well. At least until the inevitable sgs3 drops damnit Im addicted to phones

imitenotbecrazy said:
There is a white one x sitting in my amazon cart right now, taunting me. I bought the GNote at launch and I love it but its not a bad idea to have a smaller phone for other situations. The one x seems pretty damn impressive. I have a feeling that with it not being sold in the US in quad core form, it will hold its value pretty well. At least until the inevitable sgs3 drops damnit Im addicted to phones
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Click to collapse
Thats true the value in the states will stay high. I loved my note but this phone just feels special.

In love
I'm definitely in love with the One X too! I have the Gnex and it's getting pretty jealous right now, lol. Screen is so much better and it's so fast. Also real pleased with all the dev going on, makes me feel better about my purchase. I've had a few screen glitches but only since I rooted and went with custom roms. Although I unlocked the bootloader in less then 24 hours so not much chance to give stock a good run. My employer offset the cost and put in $300 towards my new baby so it was a bargain!!! Very pleased overall.

Pulled the trigger on a white one. One day shipping should put it in my hands before I leave for vacation weds afternoon

falconeight said:
I don't care about the little freaky glitches or that the battery only lasts a day with moderate usage(typical android and pretty good for htc). The phone is damn sexy, HTC sense for once works for me and I like it. The screen is out of this world, and it takes a second for my eyes to accept the low resolution, and clarity of the real world when I take my eyes of the screen. I love the quality of pictures it takes and really expected far worse from an HTC camera. The design and feel is sexy. Not to heavy and not to light, 4.7 inches and it feels like a much smaller phone. Little cute LED to let me know what I am missing(not the strobe light that upsets my wife at night on the galaxy nexus). Its the first phone that makes me want to whisper love poems to it.
Now where are the damn screen protectors and cases worthy of her beauty?
Click to expand...
Click to collapse
I bought the official HTC clear case with padding attached to it. It is an amazing cover and let's you use it as a stand for your phone too. Check it out
Sent from my 'HTC One X' using XDA Premium

p2nv said:
I bought the official HTC clear case with padding attached to it. It is an amazing cover and let's you use it as a stand for your phone too. Check it out
Sent from my 'HTC One X' using XDA Premium
Click to expand...
Click to collapse
where did you get it from?

agree
falconeight said:
I don't care about the little freaky glitches or that the battery only lasts a day with moderate usage(typical android and pretty good for htc). The phone is damn sexy, HTC sense for once works for me and I like it. The screen is out of this world, and it takes a second for my eyes to accept the low resolution, and clarity of the real world when I take my eyes of the screen. I love the quality of pictures it takes and really expected far worse from an HTC camera. The design and feel is sexy. Not to heavy and not to light, 4.7 inches and it.......
Now where are the damn screen protectors and cases worthy of her beauty?
Click to expand...
Click to collapse
Noon. Leave it naked...the best way to appreciate its beauty.

Well no glitches or problems for me! bought a white version and I LOVE IT! what a fantastic phone! Very happy to be a HTC customer!

I love the phone too just wished the battery was a little better but the camera is pretty good and the best i have seen on a phone. It's light feels great. Really good screen over saturates on some colours however the quad core is a power house.
I noticed you on AT&T do you have the snap dragon version? Or did you get the unlocked global version?

DazzXP said:
I love the phone too just wished the battery was a little better but the camera is pretty good and the best i have seen on a phone. It's light feels great. Really good screen over saturates on some colours however the quad core is a power house.
I noticed you on AT&T do you have the snap dragon version? Or did you get the unlocked global version?
Click to expand...
Click to collapse
I have the global version. I am staying away from lte until they get the power consumption under control.

" I am the ONE you have been waiting for..." yes you are ...yes you are

I agree I love my Htc one x it's a beauty Took some videos.
http://m.youtube.com/watch?v=KATvmiBcXvw
http://m.youtube.com/watch?v=jzi0Bmxspfw

for those of you in the U.S. are you on att or tmobile and do you get 3g 4g or edge

I freaking love my One X too! Cot dayum!

p2nv said:
I bought the official HTC clear case with padding attached to it. It is an amazing cover and let's you use it as a stand for your phone too. Check it out
Sent from my 'HTC One X' using XDA Premium
Click to expand...
Click to collapse
Do you have a link for this case please
Sent from my Transformer TF101 using XDA Premium HD app

combat goofwing said:
Do you have a link for this case please
Sent from my Transformer TF101 using XDA Premium HD app
Click to expand...
Click to collapse
I'm pretty sure he's talking about this one:
www . gearzap.com/official-htc-one-x-folio-case-with-stand-clear-white.html
(sorry can't post links yet)
still doubting to get this one or the HTC C704 (that's if I get the docking station)
i.expansys.com/i/b/b231447.jpg

My fourth day and the battery is easily getting me through the day with moderate use.

oakland73rd said:
for those of you in the U.S. are you on att or tmobile and do you get 3g 4g or edge
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Click to collapse
I get 4G on AT&T in Texas on mine.
Oh, and I completely echo the sentiment of the OP: This phone is the ****.

Yep, I got the grey one since I dont rly like the white color. White is timeless, agreed, and can look pretty elegant (and expensive), but I am more the dark type of person (color preference, not personality or style ) like more the decent, non attention colors. Grey just fits me quite well, and yes, its one damn beauty.
Sense 4.0 still got its issues, like pretty borked memory management (Rosie Reloads anyone? Drives me crazy sometimes) and bugged Tegra 3 drivers. Tegra 2 Games and Apps mostly run horrible, and the Tegra 3 enabled Games start to lag quite abit when alot interaction is going on.
Software-wise, and performance-wise, this phone is capable of so much more. Just look that the Transformer Prime with Tegra 3. It has a similar screen resolution, but almost EVERYTHING runs effin smooth on this baby. That is just ONE proof that HTC ****ed up the rushed release with its buggy software. Cant wait for a new, optimized and more ironed out firmware upgrade!
Camera Performance isn't final as well. I guess the bad performance is due to some missing optimizations, the hardware is great.
Overall, I dont regret switching from my Galaxy S2 i9100 to the One X, knowing it can do even better than it already does.

Are you purposely looking for defects?

Serious question.
Personally I'm becoming pretty OCD with my phone and its defects (or lack of). My girlfriend claims not to be able to see the flicker, or the gap near the screen.
I think my obsession with having a perfect device is stopping me enjoying the phone fully.
Sent from my HTC One X using XDA

You will see faults without having to look for them, they will be obvious, so relax and enjoy your phone

No. I'm just using my phone like the vast majority of people.

I know what you mean, and it kind of ruined the experience of the 'new phone' feeling for me.
Got my second HOX today. Found a very vaguely present yellow bar on the screen on the top. Still doesn't feel as good.
It just sucks to know your phone has flaws, or could potentially develop those over time.

Nope I'm not looking for defects at all, if something goes wrong and I notice it then I will look into it but I won't meticulously inspect the device that's for sure.

Only defect I have is the flickering on light grey colors and such.........really a pain in the ass now and makes me OCD about it.
Battery life has also been sub-par.....to say I'm satisfied and happy with the device. I'd say like a 50% because battery life is really annoying.....it's worse than my Galaxy Nexus by a good amount and the Galaxy Nexus wasn't even amazing with battery life (but it was pretty darn good).

JimmyEatFood said:
Serious question.
Personally I'm becoming pretty OCD with my phone and its defects (or lack of). My girlfriend claims not to be able to see the flicker, or the gap near the screen.
I think my obsession with having a perfect device is stopping me enjoying the phone fully.
Sent from my HTC One X using XDA
Click to expand...
Click to collapse
everyone SHOULD look for defects. I only would have accepted the issues the One X has on a low budget device. Some people simply can't see stuff like this. It's like when I try to show people the difference with video playback on a display/tv/projector in 24hz compared to 60hz to show the stutter/jitter few people can see it. I see it really clear.

I always look for defects, and i hate my self for it, because stupid things like maybe a tiny lager gab with probably doesn't mean a S....
I work for a Danish Operator and in the last 7 days i've sold MANY ONE X... the last 4 days i looked closer one every ONE X when preparing them for the customers...
And guess what over 50% of the ones i sold had a tiny tiny larger gab between the screen and polycarbonat cover, so tiny larger that i need to hold it directly to the sun or really bright light to see it...
when i look back almost every model i can think of by HTC had a small difference around the screen and cover. even my previous Galaxy Nexus actually all three of them..
so right now i have my ONE X with a tiny larger gab at top, display with NO flicker but a tiny bit warmer white colored screen...
would i exchange it NO not this time, the next may have flicker or something els that annoys me a bit...
I don't think i can recall that i EVER had a perfect product...
hmm when i think of it thats not true.. my ONE S is perfect so why do i prefer ONE X, I really don't know..
ONE S seems faster in every day use, the material is nicer... but hey it's because it SO perfect thats make me keep my ONE X... or probably the larger screen

Simple. Don't ever expect a perfect device and be happy for what it is.
Sent from my HTC One X using Tapatalk 2

M9 display and other problem

Hi, Bought M9 yesterday after 30 minutes decided to sell. main reason was display. İt felt some how step back from M8. Display is greenish, not as bright also viewing angles is worst reminded me LG G2. also when you tilt screen little bit you get rainbow effects i assume thats becuase display not being in cell. but that happened to me o M7 few weeks later i found really good display maybe should never buy new phoenes as they come out. i did have around 300 mb update after that phones was still hot, and camera was not good.
Why did i buy M9 i like HTC as company i would buy their product instead of Samsung but now i feel a little disapointed. i think they could have made phone better but instead went lazy.
Before i get bashed i put picture of phone

Its the same screen as the M8, I had concerns with the colour depth as its not quite as vibrant as the M8, although that's down to the configuration in the display driver, should be easy to tweak at either htcs end or when kernel source drops.
I have not seen any rainbowing or angle issues so you may have picked up a duff/faulty screen

LeeDroid said:
Its the same screen as the M8, I had concerns with the colour depth as its not quite as vibrant as the M8, although that's down to the configuration in the display driver, should be easy to tweak at either htcs end or when kernel source drops.
I have not seen any rainbowing or angle issues so you may have picked up a duff/faulty screen
Click to expand...
Click to collapse
Well that may be the case there was only one in my town so i bought it i just sold it so i will look at before i buy next time. Spite S6 is tempting i'll get another M9 if display gets better.

cihanleanne said:
Well that may be the case there was only one in my town so i bought it i just sold it so i will look at before i buy next time. Spite S6 is tempting i'll get another M9 if display gets better.
Click to expand...
Click to collapse
I really do hope so! I will build a kernel using the m8 display drivers if it doesn't... When looking through the camera its actually a little more true to life than the m8 was

The screen on mine is slightly better than my M8. Much better white balance. It's not at all green. The phone has it's faults, lots of them, but the screen is not one of them.

Sorry to hear that and at least you gave it a try. By now I am very much hesitant getting the M9. I love HTC product; coming from Nexus 5; I promised myself to only by HTC phones again. The m8 has spoiled me so much with build quality and the software optimization. By now M9 has shown its definitely not a step forward from M8. I say this because look at the changes at HTC; CEO resigned and also the main designer left; plus all the negative reviews speaks for itself. Hopefully by now HTC learned their lesson.
Sent from my HTC One_M8 using Tapatalk

So I received my m9 a couple days ago and can really notice the green tint, haven't decided if I wanna return it because I don't know if this is normal, or something that can be fixed through software tweaks or what. I talked to Tmo and they said it was noted across the board that the displays have a greenish tint, basically told me to wait it out for software fix since I'm most likely to get another one like this. My m8 has had a blueish tint bit never really notice it until I play with a different device for a bit.

jcorv58 said:
So I received my m9 a couple days ago and can really notice the green tint, haven't decided if I wanna return it because I don't know if this is normal, or something that can be fixed through software tweaks or what. I talked to Tmo and they said it was noted across the board that the displays have a greenish tint, basically told me to wait it out for software fix since I'm most likely to get another one like this. My m8 has had a blueish tint bit never really notice it until I play with a different device for a bit.
Click to expand...
Click to collapse
I don't think a software update can fix this issue but since you don't notice it much I say go with it. I definitely would mind it but that's me.
Sent from my HTC One_M8 using Tapatalk

Actually if you read Anandtechs review of the M9 they stated that this years screen even though the same "maybe" is not as good or as bright, calibrated etc, as the M8 was
Sent from my

i bought second phone and it was slight better but not as good. There used to ways to find display manufacturer but that did not work on M9. its funny but display feels like LG i wonder if they used same panel as Nexus 5.

Strange i have the m9 in my hand right now and my screen is perfect. No color disorders or angle problems. Just a very clear screen. Love the m9!

Many reports of various screen colour defects ranging from a green-yellow tint or hue, not disbelieving but mine is fine atkeast to my eyes

Duncan1982 said:
Many reports of various screen colour defects ranging from a green-yellow tint or hue, not disbelieving but mine is fine atkeast to my eyes
Click to expand...
Click to collapse
Agreed

Screen has a yellowish tint - normal?

Yo guys, just got a G4 today and I'm happy enough with it however coming from my G3, unless my eyes are playing tricks on me, the whites just seem to be a fair bit whiter on the G3 and the G4's display looks a lot warmer. . I'll see if I can capture it on camera, but does anybody else have this issue or could it just be the case that this is how LG intended the pannel to be?
Just to mention that I can't compare it to a display model as the phone isn't stocked in my country.

Ive looked at like 5 G4 displays and none of them are the same

Dang, so it's essentially the luck of the draw if you get a good pannel? :/

Mine looks great, no tint color at all.
I'll check my friend's later if there's inconsistency or not.

I have 2 G4's, which I have already replaced one of the 2 I have. None of the three screens are the same. Also brightness differs quite a bit between the two I currently have. lastly, one is more yellow while the other is more blue.
Its a pretty large discrepancy between them

randpost said:
I have 2 G4's, which I have already replaced one of the 2 I have. None of the three screens are the same. Also brightness differs quite a bit between the two I currently have. lastly, one is more yellow while the other is more blue.
Its a pretty large discrepancy between them
Click to expand...
Click to collapse
Yep I even went to the t-mobile store and between the two on display and mine they all had a different looking screen.
Sent from my LG-H811 using Tapatalk

Hmm... I've no idea if I should send it back and get a replacement or just simply get a S6. I really do like the phone apart from the issue.

Grunzen said:
or just simply get a S6
Click to expand...
Click to collapse
IMO ? Getting a S6 in replace of a G4, it's a rollback.

I'm noticing that on mine too. I currently have two G4s because I still have to ship one back, but the one I'm returning has clearer and crisper whites than the one that was sent to replace my old one. But the new one I got has so far had much better battery life so I think I can deal with having the screen be slightly worse if it means the battery lasts longer.
Sent from my LG-H811 using XDA Free mobile app

Grunzen said:
Hmm... I've no idea if I should send it back and get a replacement or just simply get a S6. I really do like the phone apart from the issue.
Click to expand...
Click to collapse
Get it replaced the G4 screen is actually a colder than normal looking screen.
personally i prefer warm colours as its easier on the eye but if you're into your whites then they should be colder. The tint wont go away. I rcall people with one plus complaining about it. However it was a bit more blatant as in one part of the screen would have it rather than the whole one.
There is variation between screens, the brightness has been mentioned by reviewers. I think its the usual kinks from early runs of the factory cycle. people buying later will have less issues.