yashsingh1/xdaforums huggingface dataset:
[One (M7) Q&A, Help & Troubleshooting] frb_123:
Just adding my two cents...

From what i can tell it's definitely a heat issue combined with high ISO. If I take a low light picture straight after turning it on the picture looks great. But if I use the phone (or especially camera) for a while, the tint will slowly show up. The higher the ISO, the more evident it is. On my camera it's not as uniform as some of your examples. The tint is mostly on the edges and looks like clouds, which makes me think there is moisture (or something) on the lens that becomes visible when heated. I really can't explain why higher ISO makes it more visible though.. I've seen someone suggest that it might be a memory leak. That would have made sense if the tint was completely uniform. But I get the same clouds every time.

I've send a few emails back and forth with HTC Norway. The "Technical Advisor" (as she calls herself) produces replies that really sounds like some bot. So far I've gotten these suggestion:

- Tweak your settings

- Turn off flash

- Factory reset

- And now finally: send to an HTC service partner (which I really want to avoid)

In all my emails I have referred to it as a known problem and linked to this thread as well as the article on androidauthority.com. I've also asked if they are planning a firmware-update. Of course, they just ignore that completely. In the last email I made it clear that I was dissatisfied and that I would just return the phone if the could not give me any straight answers. Hopefully I'll get a better answer...
[One (M7) Q&A, Help & Troubleshooting] clavin78:
I think they meant the colored ones being a bit newer.
[One (M7) Q&A, Help & Troubleshooting] UgXvibe:
The Verizon One is a bit newer too. :(
[One (M7) Q&A, Help & Troubleshooting] ThatNerdGuy:
Hey guys. I recently had this problem and called HTC UK about it. I have the unlocked version bought from phones4u. The man on the phone was nice enough and I didn't have to do much explaining. He booked in a repair and after about 13 days I got my phone back. I don't know what they exactly did, but the camera definitely is better! Prior to repairing the phone I hesitated when taking photos because I would worry they would come out ugly. Now that horrible tint is gone and it performs as it should. If you're having doubts about whether or not to repair - DO IT. As a bonus - I had a gap at the top between the plastic and the metal.. this is now gone following the repair. :cowboy:

Just throwing this out there. Ignore me if you so please! :)
[One (M7) Q&A, Help & Troubleshooting] Rendoqoz:
I am pointing out that if it's true, HTC is knowingly shipping devices with bugged camera and this should not be acceptable, unless the whole problem will end with software update without loosing any camera capability.

Still, they have already lost a lot of customers because of delay of working on the problem and leaving people with ignorance.
[One (M7) Q&A, Help & Troubleshooting] Florin82:
Well isn't it obvious that they are selling devices which end up with bad low light capabilities? They knew about the problem since at least june, problably even earlier, yet people buying august batches end up with it. We still don't know how big the problem, maybe they considered the error to be within a certain bad product risk although i believe this red issue problem is one of the most important near gaps and dead pixels. As i have said earlier, after reading a lot of informations, i believe it is a hardware issue; too bad the service isn't great as it is in certain western countries so there are a lot of people who have to think twice about sending in our devices. There is still a small (and unrealistic) hope the software update will fix things.
[One (M7) Q&A, Help & Troubleshooting] rfgamaral:
This is not true. I just got my replacement phone from the distribution carrier and the first thing I did after turning it on was test the camera. The issue was there and the phone has not been booted since who knows when...
[One (M7) Q&A, Help & Troubleshooting] UgXvibe:
Would be awesome if you could get in touch with them and find out if they would give you inside info on whether they use a different replacement camera model or manufacturer. Also, I would LOVE to have my gap fixed as a bonus!

---------- Post added at 03:44 PM ---------- Previous post was at 03:41 PM ----------

Yup, I'm sure they noticed this on the production line and just let them go out knowing full well that something isn't right with some of these cameras.
[One (M7) Q&A, Help & Troubleshooting] UgXvibe:
Just need people to Favorite this now... :angel:
[One (M7) Q&A, Help & Troubleshooting] slashas69:
I have wrote email to www.gsmarena.com and www.phonearena.com about our issue with cam, lets see will they post it in their sites...
[One (M7) Q&A, Help & Troubleshooting] Florin82:
Haha..good one. Though i don't feel good about bashing HTC they really need to adress this problem allready not hide it under the carpet.

I really don't think it's gonna matter too much in really solving the problem. We still have to wait for the HTC update before we know if sending the phone to service is really the last resort.
[One (M7) Q&A, Help & Troubleshooting] monkeypaws:
Well I'm glad I got on jump! From T-Mobile. If this phone just doesn't work out I cab get on something else. Hopefully they are awesome and offer the n5 like they did with the n4.
[One (M7) Q&A, Help & Troubleshooting] UgXvibe:
Exactly, all I want is an official 'public' confirmation that this is a problem. I have owned only HTC devices since the Diamond and this is supposed to be the cream of the crop! :p
[One (M7) Q&A, Help & Troubleshooting] clavin78:
I went to a corporate store and the rep was resistant about replacement saying the verge mentioned this was software and an update was on the way. I'm taking mine Wednesday to another store and asking them to look at it and replace the sensor. I'll update with build info after the swap or part replacement. I was thinking software but my issue came out of nowhere after being perfect so I feel differently now.
[One (M7) Q&A, Help & Troubleshooting] frb_123:
Strange.. And you're sure the phone was still "cool"? I mean, just starting it up might have gotten it warmed up? My phone really doesn't require much heat before the tint appears. It always appears after I've played with it for a few seconds or minutes (depends how cool it was when I start) and it continues to get worse and worse as I play with it. Body heat from having it my pocket is enough to make the tint appear.

Anyway, it looks like different phones are affected differently. Unfortunately, this makes it less likely that it's firmware error. If it actually is a moisture/humidity problem, different climates will probably affect it differently.
[One (M7) Q&A, Help & Troubleshooting] rusteh:
[MENTION=1445219]Florin82[/MENTION], think about it this way. Even tough they ve solved 2 millions or something, what if the next person who access sees on htc official page only bad words about htc.

Do you believe they will still buy the phone? Think about it from vendor's point of view. I wouldn't like me clients going crazy in the town about my products. That's just bad for business but in this situation we might get a shot at not getting a automate answer.

Right now I have a device which I love but from my point of view is faulty. Even tough the purple tint is only in low light and I don't really take pics in low light. It shouldn't matter because it is a marketed feature and I didn't bought a phone with a faulty low light camera. If it can't take pics in low light just make it pitch black.

I don't really care, but don't take me for a fool for a device I paid the same amount I would buy a Lenovo phone + a windows phone + a n4 8g version. Why? Because I've paid for a premium phone and I feel cheated.

So now I have two solutions:

1. I go to service and they give me a refurbished phone, why should I get a refurbished one? I paid for a new sealed one. Right? Or get a replacement which is worse then the current one, which is bad again.

OR

2. We all gather as a community and invade their public space with aggressive and disappointment talk about this issue and HOPEFULLY we will get a update that will fix this, even though I don't really believe it should take 3 months to fix a issue as important like this with software. Please also take in consideration a source like HDBlog I really believe is not reliable. All other websites should check before quoting a information as important as this one.

3. This isn't a issue that will get fixed so I wait to see if the update fixed it and then what? I have to sell my device for a lower price as it is faulty. Feel me?

So telling you this. If it makes sense to you, what will you do in a situation like this in which none of the above seems appropriate?

PS: Keep being aggressive about this issue on the public domain of hTC. They will not delete our posts. We just have to push harder to get ourselves taken seriously.
[One (M7) Q&A, Help & Troubleshooting] Xerro-Five:
It's completely correct actually. It doesn't take much heat to trigger it in my tests, as low as 29 Celsius (and probably lower than that in fact). Also, I'm not sure if you've ever monitored the temp after booting but it does heat up quickly with everything switching on and processing as the post below talks about. Mine hits 29 no prob on a boot...

Right you are. I think different phones are also in different states of the problem, as we know it gets worse with time once it starts.
[One (M7) Q&A, Help & Troubleshooting] ahmoda:
HTC has replied to me third time... Now with good news, here is message below :

Dear Ahmad ,

Thank you for contacting our Customer Support Center.

With regards to your inquiry,

Kindly note that HTC Middle East announced today that the upcoming update "Android Version 4.3" will resolve the issue.

Also note that, there are some issues can be fixed with an update and in the same time can be repaired in Service Center as a hardware issue.
[One (M7) Q&A, Help & Troubleshooting] ac3kill:
What the hell does that last part mean ?
[One (M7) Q&A, Help & Troubleshooting] htcm7:
I am in. I am also tired with HTC's service, could you tell me where is HTC facebook page?

Or perhaps, we could create a facebook page to gather all users with defect camera.
[One (M7) Q&A, Help & Troubleshooting] ctiantolentino:
Tried HDR and back to auto everything seems fine with my phone. Besides when we open up all the brand new and still sealed htc one units we went straight to the camera app and without going to HDR they all have issues already so IMO HDR is not the problem.

Well you can't go to the camera app without the initial activation so yes we did activate all those 8 units. hehe the store here in the Philippines allowed us to do so. :)
[One (M7) Q&A, Help & Troubleshooting] UgXvibe:
Since that post I've done some research. If you remove the SIM card you can back out of the activation screen, select activate later and get to the home screen. At least that's what I read. Gonna try it at Verizon tomorrow.
[One (M7) Q&A, Help & Troubleshooting] ctiantolentino:
these weird waves in slashas69 photos are present in one of the 8 units I've tested. The other faulty cameras doesn't just plain pink/reddish/purplish tint in the whole screen. weird.
[One (M7) Q&A, Help & Troubleshooting] 1lazysheep:
has anyone been able to replace their phones at a US carrier (ATT/Tmob/Verizon/Sprint)? what was the process like? did they know about the problem or did they give you a hard time?
[One (M7) Q&A, Help & Troubleshooting] ac3kill:
Something in that firmware 3.17 or 3.17 Rom did something to camera before hope it's not the final fix bit I notice as the pink starts to show it jumps back to all black starts to go pink again and jumps back all black again was messing with iso also and it has given me different affects than before so Im happy to see they are doing something or some dev is not perfect but way better than before

It's like every time the purple/pink/red show up the iso automatically drops to fix it which is what we were afraid of

Its like it is a auto correct whenever it starts to act up I think they just dropped iso though as you cant see anything in pitch black which sucks big time bit at least we are making a step in the right direction I just don't know what to do now with my replacnebt coming in.

Maybe it will be brand new since it's under warranty and not insurance
[One (M7) Q&A, Help & Troubleshooting] UgXvibe:
You still within 14 days of purchase?
[One (M7) Q&A, Help & Troubleshooting] 1lazysheep:
nope, bout back in June. but i'm with Sprint and i hear they take care of manufacturer's warranty problems in-store. just don't wanna go through the hassle of returning my phone back to stock if they're gonna give me a hard time.
[One (M7) Q&A, Help & Troubleshooting] ctiantolentino:
It's your phone and used your own money to buy this expensive phone so it's your personal decision. If you have a faulty camera like i previously did and very frustrated as i was then here's what you can do.

1. Wait for the update. Now we can all assume all we want on how they will fix this with a software/firmware update such us lowering the ISO which indeed will jeopardize the low light capabilities of the One and etc. If you think and believe 100% that this can't be fixed with an update or in doubt that it might not be enough then choose the other options.

2. Send it in for repair. Risk are involve yes such damaging the hardware, could take days or even weeks or months to some countries but if you really love the One and want a non faulty camera give it a shot.

3. Ask for a replacement (NEW) unit not a refurbish one from the retail store. Now this varies depending on the country and store you got it from. I have 1 year warranty for repairs but not replacement but luckily HTC granted a brand new replacement for me so go try to contact your local HTC reps and be nice even if it is frustrating. :)

4. Lastly, sell the phone. If you have lost all hopes on HTC and you feel you're money is not well spent because of the faulty camera and that your're not getting the after service that we all indeed deserved then sell the phone. A lot of good smart phones are out there and many more are coming up both on Android & iOS.

Now i have it in this order because I did so in that order. Put my hopes on a update but nothing came and I couldn't wait for 4.3. So i brought it to the service center. Then luckily they said they will not fix the phone and just give me a replacement. Went to the store and open up EIGHT brand new units and found just ONE single phone that has no issues. So yes I got lucky. So fortunately i didn't need to go to step #4. Believe me I did all the things you guys are planning. Sending emails, tweets, DM's to popular blogs, tech sites, tech person and to HTC. And now finally a response from HTC through articles in The Verge, CNet etc.. So they are aware of the issue and they promised a software fix. Will you wait for it? I couldn't and I didn't. That was my personal choice. So again it's all up to you guys. Good luck. :)
[One (M7) Q&A, Help & Troubleshooting] InfinitiGuy:
I tried putting my phone in the freezer for about 15 minutes and the problem disappeared. Temperature is definitely related as after about 10 minutes when the phone temperature increased, the problem returned.

I took these two shots with the lens covered, one cold and the other warmed up.
[One (M7) Q&A, Help & Troubleshooting] Florin82:
You are problably right but there are people who didn't notice any difference after cooling the phone, it may be that some camera sensors are more "damaged" than others and act bad even if you lower the temperature. It may be that you have a minor problem now that might develop in time. Again what we all notice points more to a hardware problem which HTC somehow believes it can solve or alleviate by software. But let's wait and see what the software update will bring and go from there.
[One (M7) Q&A, Help & Troubleshooting] Marco.t...:
That ISO limitation would not fix the problem cause if you change to the night mode you have the same problem with the 2.17 base as before!
[One (M7) Q&A, Help & Troubleshooting] rusteh:
Here is the facebook page. Also this is their mock answer I've got from them on facebook:

Hey Daniel. Sorry to hear about the trouble your having with your camera. Try going to Settings>Apps>All>Camera>Clear Data in order to restore your camera to its default settings. If the issue persists, try a soft reset by pressing and holding the Power key until the phone shuts down, then restart it. If you're still having trouble after these steps, then we recommend you get a hold of our customer support team. You'll find their contact information here: http://bit.ly/14sytIF

My answer:

HTC, please dont send me automate answers. This is not a real solution and you know it. If I go to service and get a repaired phone (which is not right, I paid for a new one, not a refurbished phone) or get a replacement which has a worst issue purple tint then mine. I really dont see this as a solution, multiple people are reporting having the same issue on replacements or getting the issue after they told the camera has been fixed. For more info about this issue kindly check the link attached. This is a serious issue, and we as a comunity need a real solution, not a automate answer that does nothing!

Anyone who wanna join me feel free to post on my facebook thread whenever you want!
[One (M7) Q&A, Help & Troubleshooting] vegetaleb:
This temperature thingy always return us to a grounded stage,it's definitely hardware!

Though if HTC is promising a fix before or in the 4.3 update that is coming in the next 13 days,then perhaps they could play with voltage control,I don't see any other real fix.

Even at ISO 100 in total darkness I can see a purple frame...so limiting the ISO to 200 will not help
[One (M7) Q&A, Help & Troubleshooting] rmein:
Asus release new PadFone Infinity and compare low light camera performance..... spot the HTC One...

http://www.engadget.com/2013/09/17/the-new-padfone-infinity-snapdragon-800/

Edited to add that this also confuses the hardware/software issue. If Asus are using the same sensor, but different software to enhance low light pictures so much, then I am pretty sure a lot of the low light enhancement on the One will be doing something similar.
[One (M7) Q&A, Help & Troubleshooting] vegetaleb:
Hahaha ''New One'' aka the evolved purple One :eek:
[One (M7) Q&A, Help & Troubleshooting] ahmoda:
Good... This will let them Wake up and speed up with the new update
[One (M7) Q&A, Help & Troubleshooting] shiningarmor:
^

and i thought there's 3 different person
[One (M7) Q&A, Help & Troubleshooting] hsiu4425:
well at least now more people aware of this issue(other manufacturers may use this problem to attack HTC), so hopefully this can force HTC to do something quick to gain back some reputation :rolleyes: if failed..HTC will collapse :eek:
[One (M7) Q&A, Help & Troubleshooting] htcm7:
I post a comment on HTC's facebook page about purple camera. I think my comment has been deleted.
[One (M7) Q&A, Help & Troubleshooting] vxtip:
I'm just here to add that I too have this problem in my One. Just bought it less than 2 weeks ago, but just noticed the problem tonight when I took a picture and noticed the bright blue hue in the bottom right corner of the screen. I read through much of this thread and am definitely experiencing the same problem. Turns bright red/purple when covered or in dark rooms or casts strong purple hue over pictures especially the edges and bottom right corner. I turned the phone off to let it cool and tried it again and managed to get about two good pictures before the purple hue started coming back, so perhaps the heating issue? I share the doubts that a software update can solve this, the bottom right corner shows it very strongly compared to the other areas, that unevenness really seems like a hardware thing to me. Tomorrow is day 14 with my Sprint trial, between the priece of dust under the screen and now this I'm strongly considering trying to take it back again, however the local Sprint store charges a $35 restocking fee except for manufacturer defects. Considering they told me the dust was "cosmetic" I wouldn't be surprised if they considered this issue "software" no matter what. Do I eat $35 and eject or stick it out and hope for the best? :confused:
[One (M7) Q&A, Help & Troubleshooting] dagrim1:
One thing I noticed, I installed Camera FV-5 which is a decent camera app and has the possibility to display RGB histogram levels.

I noticed that when putting the phone with the camera on the surface with this camera app opened at first all the RGB levels are even but as the display goes more red you actually see the R-level shifting to the right...

Before turning red:

After turning red:

Still not sure if this is software or hardware weirdness, but if this can be measured (combined with high iso values) it might be possible to get fixed on the software side at least for a part...
[One (M7) Q&A, Help & Troubleshooting] 80000037:
Asus PI uses different camera sensor than the one on HTC One.

Sent from Samsung GT-I9082
[One (M7) Q&A, Help & Troubleshooting] rmein:
Sorry, I meant that it uses the same sensor as the old PI, but has much improved low light performance. You wouldn't get that kind of improvement just from simple pixel binning so there must be something fancier going on in software to improve the low light sensitivity. The only way I can see that happening is some kind of on-the-fly calibration of the actual voltage response of the sensor pixels to reduce the read noise from the sensor.

In digital camera with a shutter, one of the main purposes of the shutter is to allow the camera to calibrate the black level response of the sensor, as especially in low light the variation in the voltage response of individual pixels across the sensor will lead to image noise, and there will also be a slight variation with temperature. I have no idea how phone cameras without a shutter do this calibration, but I suspect it is the cause of the problem in the One.

My guess is that some calibration of the sensor has been done at manufacture, but over time the response of the sensor is drifting out of an acceptable range of values. Fixing it in software may involve shifting some of the low level processing from the dedicated DSP chip (which is probably where the hardware fault lies if it cannot cope with the output from the sensor) onto the main processor of the phone, but hopefully it should be possible.

Just a theory as I don't really understand how all this works, but image processing is a very complex affair involving multiple bits of hardware (optics, sensor, DSP chip) with the possibility of putting some hard coded processing on the sensor and DSP chips which could be done in software on a general purpose chip if necessary (though not so efficiently).
[One (M7) Q&A, Help & Troubleshooting] sidbrian03:
How about doing something similar to the iphone 4 faulty home button?

Ya, that was just out of frustration
[One (M7) Q&A, Help & Troubleshooting] afhum:
ISO: Auto

ISO: 200

Assumption: Software issue. The "Auto" option failed to 'automatically' set ISO to the right level (i.e. 100, 200) in such lighting condition (i.e. Pitch dark).

Questions: Does my assumption make sense?; Am I missing something?
[One (M7) Q&A, Help & Troubleshooting] vegetaleb:
OMG! Got purple haze at ISO 125 in HDR full daylight :crying:

Looks like a lens fault
[One (M7) Q&A, Help & Troubleshooting] UgXvibe:
You also got some weird ghosting on that bus.. I think that purple is normal flare from the bright sun isn't it?

---------- Post added at 08:26 AM ---------- Previous post was at 08:18 AM ----------

Looking at something like this I would agree software.. but in my case even at ISO 100 I get purple at this point, not as bad but its a purple fringing around the entire outside of the display.
[One (M7) Q&A, Help & Troubleshooting] InfinitiGuy:
HDR ghosting is normal for moving objects since HDR must take multiple shots and if the objects are moving you will see this effect.