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so i got a 8525 today and i cant exchange it for another one but ive got 1 dead red pixel.. is there any way i can rub this out or anything similar to that? its in the most annoying place!
jacob-mda said:
so i got a 8525 today and i cant exchange it for another one but ive got 1 dead red pixel.. is there any way i can rub this out or anything similar to that? its in the most annoying place!
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screen swap. expensive but less expensive than buying a new phone.
ppctechs right? runs about 125$ if i remember correctly
jacob-mda said:
ppctechs right? runs about 125$ if i remember correctly
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Click to collapse
yes sir. ORRRRRRR is your warranty still valid?
cant do a warranty exchange the way i got the phone.. so im gonna have to pay the 169$ or deal with a red dot apprently
jacob-mda said:
cant do a warranty exchange the way i got the phone.. so im gonna have to pay the 169$ or deal with a red dot apprently
Click to expand...
Click to collapse
yes. if you were me and i were you, id swap screens. i can have the casing banged up to all hell but the screen must be flawless. even hearing about a dead pixel from a stranger's phone is making me want to go clean my screen.
yea i wasnt happy when i turned it on and seen a red dot.. my heart about dropped
Hi, it sounds stuck, not dead, I actully tossed my stylus at my screen one day, When it froze up, and caused a pixel to stick blue, after some work rubbing it out with the round of my fingernail, or the curved butt end of the stylus which almost completely removed it, and giving it a few days with diff color screens, it finally unstuck.
There are some apps that are supposed to help fix screens also for ppc's.
Might as well give it a shot, if youre considering replacement, it did take a fair bit of pressure, you should see it turn black, then release.
what apps are these that u talk about?
ive used http://www.pocketpcmag.com/blogs/index.php?blog=3&p=377&more=1&c=1&tb=1&pb=1 and doesnt seem to be working
aslo used http://www.pocketpcthoughts.com/forums/viewtopic.php?t=44756 which is the same thing.. guess ill let it run over night like the guy did
are you sure htc won't let you get it repaired under warranty?
i had a mda compact II i bought off ebay and rang them up, saying i was told to contact them, they repaired it all under warranty and i had it back within a week (they had to replace the mainboard.lol.dont ask!)
try HTC!
jacob-mda;1311656 said:
ive used http://www .pocketpcmag.com/blogs /...pcthoughts.com /forums/viewtopic.php?t =44756 which is the same thing.. guess ill let it run over night like the guy did
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Click to collapse
Opps, I didnt catch that second link, till I hit reply, but the first is one I tried, and I had seen one other, but it required the .net framework, I was too freakin out at the moment to really have patience with the apps, because the blue pixel was staring me right in the face on my black todaypaper.
If that doesnt work running it, I recommend setting a black background, and gently applying pressure, until you see the pixel go black, and then work it back and forth between red/black in a circular/orbital type motion over the pixel, if it doesnt fully go away, but appears more faint, just give it a few days, and maybe even switch out your today screen a few times a day, but just make sure it isnt red, even occasionaly massaging the pixel from time to time, thats tthe method I used, and mine went away, hope you have the same luck.
stuck pixels
I had a stuck pixel and I was able to get rid of it using a combination of the stuck pixel fix movie and rubbing. It's good to do it while the unit is warm or hot...like leave it in the car and then rub that area using moderate pressure. There are plenty of guides on the web to fixing stuck pixels on lcd monitors. Consult one of those.
ok ill try that angelis..
i dont think i can contact htc about this.. i sorta got the phone on the DL..
none of these tips have worked.. still have this little red pixel. crazy thing is.. when i have yellow or green on the screen the pixel turns green or yellow depending on the background color.. this makes no sense
Jacob, search Ebay for Hermes parts.. and see if you can get a new screen...
im so trying to avoid that..
can you post a pictuer of this screen? just curious...lol
how do u expect me to do that? lol.. theres no way my digital will pick up 1 dead pixel
ahh....ya...lol
Folks,
After complaining to T-mobile UK about the gap at the top of my G2's screen and a couple of dead pixels (see thread: http://forum.xda-developers.com/showthread.php?t=542534) they kindly sent me another within 3 days. Unfortunately though this one has no gap (thanks) there are now 3 noticable dead pixels on the screen (most noticable on startup at t-mobile splash screen).
I just want to know if anyone else has had this problem and get a bead on what others are doing about it. Problem is now I have already had a swap out these guys are now saying the policy is to bring the phone into a t-mobile store and have it sent off to be checked which to me is TOTALLY unreasonable as the handset is supposed to be brand new.. ARRRGGGHH!!! Am I just being REALLY over the top? Should I just have to put up with the dead pixels??
i suppose it really does just depend on how bad they are.
I know you would just be on the edge of HTC's policy on pixels...they usually won't touch anything under four unless they're really obvious
Hmm.. Well there is one which is REALLY noticable during the startup and less so during operation. The other two are not quite as obvious during startup and practically invisible during normal ops. Thing I really want to know is whether or not this is common among users of this phone and they are just living with it as it doesn't really affect the use of the phone or is it just me that this is happening with?
People. If any of you are out there especially if you are on a UK t-mobile contract could you please try switching off your phone then switching it on and check you screen while the splash screen loads and see if you notice any dead pixels or see if you can get a black background and check.
I would be reluctant but prepared to put up with this if it were something which was the norm for the majority of new G2 handsets and really dont want to keep swapping my phone only for the dead pixels to be more noticable on the replacement. I guess it's just a peace of mind in numbers thing.
with current LCD technology, the odd dead pixel here and there is fairly normal, but thankfully not as wide spread as it used to be.
I've not seen any on the ones i have seen, and never had a dead pixel on the HTC built devices i have personally owned (going back to 2003/4), although my one and only PSP, which i bought the day it was released, had a crap load of them and was sold very soon afterwards!
I don't think it is particularly widespread to be honest, but there will always be one or two devices in a run that get a dodgy pixel or two.
have you checked the market to see if there is a pixel conditioning app? I'm sure i saw one somewhere. They don't always work, but it cant hurt to try...sometimes they come unstuck after a while.
oh, and i also have a t-mobile one. None on mine.
Dude.. Fortunately the only guy responding to this post is a guy who is being as helpful as you I can;t say I am even aware that pixel conditioning apps exist.. I'll have a look.
be lucky, i'm actually in a good mood at the moment! i guess it's the prescription painkillers i'm on (legitimately i might add...i'm not some sort of addict) overriding my natural hatred and grumpiness of being at work on a weekend....god bless opiates!
i've already pissed someone here off this morning before they kicked in!!
I bought a sim free Hero from Mobilefun. I'm now on my THIRD Hero due to replacing the last 2. The current one and first didn't have any screen issues but the second one did. As soon as i swithced it on, big bright spots. Sent it back straight away of course, as this is unacceptable.
The current one has a minor cosmetic flaw but I'm keeping it this time
Don't worry about being OTT about this. You pay a lot of money, you want something top notch.
Edit: Incidentally, Mobilefun customer service is the best I've experienced. Both handsets were replaced and in the palm of my hand again within 48 hours!
kingtendo said:
People. If any of you are out there especially if you are on a UK t-mobile contract could you please try switching off your phone then switching it on and check you screen while the splash screen loads and see if you notice any dead pixels or see if you can get a black background and check.
I would be reluctant but prepared to put up with this if it were something which was the norm for the majority of new G2 handsets and really dont want to keep swapping my phone only for the dead pixels to be more noticable on the replacement. I guess it's just a peace of mind in numbers thing.
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Click to collapse
I have a t-mobile contract hero, I can't see any dead pixels on the splash screen.
There is a tiny gap at the top (ie you can see some copper if you hold it at the right angle to a bright light, but It seems to be the same as all around the rest of the screen and so it doesn't really worry me.
Dude.. As far as the gap in the screen goes there SHOULDN'T be one. I had one on the last handset and changed mine. As I explained this one has some dead pixels but the gap is gone. I repeat it should NOT be there. All manner of dust and debri will eventually get stuck in there and on the underside of the display I am sure. If you can change it I certainly would. I think I will be attempting to change mine again (sigh)
definitely should not be a gap.
my first one does not have one, i'm waiting to see what the state of the second one is when i get home this afternoon. i hope it's ok.
I have a dead pixel as well in the top left corner but it's only noticeable on the startup screen so I don't mind. It's actually quite common with LCDs, my girlfriends iPhone has a couple and I've had phones in the past with some. You can google nearly any phone and find people dead pixels..palm pre, iphone 3gs, blackberry etc. You can return it but then you run the risk of getting a phone with other issues or more dead pixels.
my HTC Hero has 3 dead pixels but they dont bother me at all .
rhedgehog said:
be lucky, i'm actually in a good mood at the moment! i guess it's the prescription painkillers i'm on (legitimately i might add...i'm not some sort of addict) overriding my natural hatred and grumpiness of being at work on a weekend....god bless opiates!
i've already pissed someone here off this morning before they kicked in!!
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Click to collapse
Don't worry rhedgehog, I've already forgiven your faux pas this morning.
Sorry, post completely irrelevant to your issue!
kingtendo said:
Hmm.. Well there is one which is REALLY noticable during the startup and less so during operation. The other two are not quite as obvious during startup and practically invisible during normal ops. Thing I really want to know is whether or not this is common among users of this phone and they are just living with it as it doesn't really affect the use of the phone or is it just me that this is happening with?
Click to expand...
Click to collapse
You know i thought i had dead pixels at startup under the hero word, but when i loaded a pixel fixer app to check the dead pixes by cycleing different colours on the screen nothing showed im convinced the start up animation is glitched and makes it look like dead pixels!! get the app and check!!
I have a dead pixel too and mailed to the company from where i bought it. I mean, did pay a lot of money for it, 440€, so i expect a device wich has no dead pixels or gaps at all!! .
Let you know how things go.
cheers
I have 3 dead pixels on the startup screen one in the very top right. I don't notice them when the phone is in normal operation. if I get anymore I will be tempted to send. it back.
yrreP said:
Don't worry rhedgehog, I've already forgiven your faux pas this morning.
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Click to collapse
shut up Yrrep, or im snapping your SIM again!!! see you at work in the morning
Sorry, now back to the topic....
second g2 arrived and no gap or dead pixels on that one either.
Right, I've decided to ring T mobile about replacing my Hero due to the gap. Will it be an issue that it's more than 7 days since I recieved my phone?
T-Mobile will usually try and be funny with anyone requesting the return of a handset after 7 days but just stick to your guns.. The item is faulty but not instantly noticable. If you catch the rigt person you will be ok.. Just try calling back a few times if necessary. I think half the time I get stuff from them I because i hassle them so much.
By the way.. Can anyone recommend a good pixel testing/fixing app??
Got my SGSII yesterday only to realize that there is a circle on the downleft of screen. It's very annoying. Went to Telenor today but they had no phones left. Only thing to do now is wait 4 weeks for a new one.
Any idé on what this is? Have you checked your own ones?
imgur.com/a/pLZC5#3guAm
More people have this. I don't know if it went away with anyone? Some say it should go away and the production process causing it.
I see you also have the 1/3 yellowish/darker screen. I am wondering if there is someone who doesn't have this.
Sorry didn't want you to focuss on it, guess you didn't saw yet. but a lot have this(if not everybody).
r_a_c said:
More people have this. I don't know if it went away with anyone? Some say it should go away and the production process causing it.
I see you also have the 1/3 yellowish/darker screen. I am wondering if there is someone who doesn't have this.
Sorry didn't want you to focuss on it, guess you didn't saw yet. but a lot have this(if not everybody).
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Click to collapse
Haha now when you say it. I was so blind cause of that circle that I didn't notice the yellow/dark thing! Haha!
Do you have a link to any other source that say that they have gotten rid of the circle thing? I searched alot before posting but couldn't find anythin.
jedijens said:
Got my SGSII yesterday only to realize that there is a circle on the downleft of screen. It's very annoying. Went to Telenor today but they had no phones left. Only thing to do now is wait 4 weeks for a new one.
Any idé on what this is? Have you checked your own ones?
imgur.com/a/pLZC5#3guAm
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wow almost looks like you kept your phone in your pocket with some coin for too long
dial *#0*# to see the menu for individual color display, or use some app like Dead Pixel Detect , to do more tests.
lol it's funny
Dont have any problems with my screen. Tried setting higher and lower brightness on different background and saw nothing. Are display problems really that common?
Jonzza said:
Dont have any problems with my screen. Tried setting higher and lower brightness on different background and saw nothing. Are display problems really that common?
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Click to collapse
So no Yellow on the left side on grey? No vertical lines of white on grey background?
No blue coating when tilting the phone?
Take a picture i will look.
ams84 said:
lol it's funny
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Click to collapse
Funny like a face plant, as long as it's someone else.
I wouldn't be amused having to wait 4 weeks to get that fixed.
imgur.com/a/xdEvR
I took some more pictures on different backgrounds and it seems like it is only visible on grey. Ar almost.
Only thing to do is send it in?
this phone has so many faults.
all you can do is send it back and get another one... and hope that there isnt something wrong with that.
Am I lucky? My one has no problem. Did you do special things? Or the circle point was pressed? I am worry about possible problem on my sgs2.
topambire said:
Am I lucky? My one has no problem.
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Click to collapse
Give me 10 minutes with your phone and I'll find you one.
topambire said:
Am I lucky? My one has no problem. Did you do special things? Or the circle point was pressed? I am worry about possible problem on my sgs2.
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Didn't do anything. Opened it, charged it and booted it. Tested it out and rolled down statusbar, noticed directly and all my happyness for my new phone dissappeared.
I guess its the kind of person who owns the phone..
I myself am almost a perfectionist.. well.. atleast when i buy new things.. why would i want a new product with some minor/ major problems on it?
hardware problems.. not software.. since software can be fixed.
I had the circle on mine, top right of the screen. Made a thread about it last week: http://forum.xda-developers.com/showthread.php?t=1078058
Noticed it shortly after taking delivery of the box when I was viewing some photos. It's not visible on pixels where full brightness is used (no matter if it's R, G, or B), but on anything between black and full white it's visible. Sent mine back yesterday for replacement, but I was told by an Expansys-USA rep that they won't have any in stock till the 30th.
Supposedly it's from the suction cup used on the assembly line and that it's technically supposed to go away over time. Expansys only gives a small window of time for returns, and my circle wasn't showing signs of disappearing. Might wanna have yours swapped out, too.
Thanks, was looking for someone else having this problem.
I live in Sweden and ordered from operator Telenor.
They only have a 7 day DOA, so I called them and because all phones were out both in physical store and on the web, they was going to send me a servicebox that I will pack everything and then send it. Hopefully I will get a new one in a few weeks. They say that it can take up to a month though.
Hey there,
I got the exact same thing, but on the right side of the display. I got this thing just yesterday, I live in Germany.
I really do not want to send it back, especially since it seems display problems are pretty common with this phone and there is no guarantee I'll get another one without it.
Anyone knows if this might go away? I have 4 weeks until I have to send it back.
No idea if it will go away, but if you've got 4 weeks, maybe you can see if it does fade over time? I had a really short period of time to report any problems with the phone to Expansys (48 hours), so I couldn't wait.
Man... 4 weeks..! That seems like such a luxurious amount of time to check for problems with the phone.
I can't see anything like this on my phone...
How can I see/make it:-??
Hi guys,
how many of you are you having troubles with dead pixels? I already returned my 7.7 two times (!) -two times a dead red (sub)pixel. The new one it arrived just now with a green dead pixel ;(
I don't know if i even dare to ask for a new one.
Could someone give me a reliable source? I'm sick of returning it over and over again.
meinGalaxy said:
Hi guys,
how many of you are you having troubles with dead pixels? I already returned my 7.7 two times (!) -two times a dead red (sub)pixel. The new one it arrived just now with a green dead pixel ;(
I don't know if i even dare to ask for a new one.
Could someone give me a reliable source? I'm sick of returning it over and over again.
Click to expand...
Click to collapse
Is it dead or stuck? If it is dead it will not light up. If it is stuck it stays on. If it is just stuck you can google video files that will attempt to unstick pixels.
me too, 1 red pix.
Sent from my GT-P6800 using xda premium
murmur70 said:
Is it dead or stuck?
Click to expand...
Click to collapse
it's dead. it never lights up.
where did u purchase urs? just curious coz the allow u to exchange for many timea
Sent from my GT-I9100 using XDA App
Mine has no dead pixel, but there is a tiny dust between its front panel and OLED.
It looks like a dead pixel
Since I got from HK reseller, it's too hard to send back and exchange it.
Besides, I doubt they allow exchange for this case.
mine has one in the left bottom corner. I only notice if after I install honeybar. (the menu bar hide it pretty well; in portrait or landscape)
i got a red dead pixel also.. worse thing is i cant return it because i bought it at hongkong and i'm already at the Philippines even though its still can be replace because today is only the 4th day...
Hey guys, about 3 weeks ago I bought a Galaxy S3 (after waiting for MONTHS to get one, by the way) at first I was delighted with the performance and looks, but after 3 days I noticed I had a stuck pixel (it was black, on a blue screen) using the *#0*# test
Okay, I got a bit sad and went to the store to get it replaced, and so I did, second one......noticed the same problem some time later
Tried AGAIN, went to the store, this time they let me open as many units as I wanted to , to find a perfect one, I went through SEVEN , ALL OF THEM with stuck pixels in some color (green, red, blue) after more than an hour looking I TOUGHT I found a flawless one.....went home with it to apply a screen protector, while I was doing that I found another stuck pixel, couldnt believe what I was seeing
Went to the store ONE MORE TIME to get ANOTHER replacement, the LAST one.....took it out of the box, and there it was, a black pixel on the green screen, just gave up and got my money back
What the hell is going on with samsung? I just wanted a flawless screen, afte all, its a state of the art device, should be flawless!!!
By the way Im from Brazil and the phones were all unbranded
Might be the imported batch .
Mine is flawless .
jje
Must be the batch, mine is flawless on the LCD test.
No stuck pixels here.
Perfect here too haha. Wait two weeks then go back and try again.
Sent from my GT-I9300
Tested a few and no stuck pixels on any colour background. Bad batch for sure.
Sent from my GT-I9300 using xda premium
Perfect screen here too. Honestly, I have yet to buy a device with dead pixels or similiar flaws, lol. Guess I'm lucky.
Mine is flawless as well - no dead pixels at all. So you waited months? It was released at 29th of May, so in the worst case you waited about 1,5 months.
To be perfectly honest, I don't believe your story...
When I said "waited for months" I meant: I was going to buy the S2, after finding out the S3 was gonna come out I decided to wait, and in my country it was only released at the day I bought it (about 3 weeks ago) so yes, I waited for about 6 months just dreaming about it
If you dont believe me I have one good solution for you:
The big X on the upper right of your screen, click it and witness the magic
For everyone else I hope it was just a bad batch really, for christ sake I loved the device but I cant stand anything but perfection on a US$1000 handheld (its how much it costs here on Brazil)
So you waited months? It was released at 29th of May, so in the worst case you waited about 1,5 months.
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Click to collapse
He probably waited since it's announcement and possibly even before. But that's pointless to calculate, since one might say I've waited for years to get it... Which btw is true since I knew that more or less the 3.generation would be around roughly at the time my S1's 2year contract was over.
but after 3 days I noticed I had a stuck pixel
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I'm very sure you've not found a single Samsung Galaxy i9X00 phone with a stuck pixel and you probably never will. AMOLED screens have no moving parts so the pixels cannot get stuck as with LCD but either die (dead pixel) or react too slow (lazy pixel). Factory-defects such as pixels lighting at the wrong time or shorting with others are of course also possible.
I went through SEVEN , ALL OF THEM with stuck pixels in some color
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Click to collapse
Have you actually tried apps designed for stuck pixel / dead pixel repair? Often enough the pixel can be revived regardless of whether it's an (O)LED or LCD screen.
My dear friend im sorry for using the wrong expression.....im used to LCD screens and I would call it a stuck pixel because it cant reproduce one especific color (for example the pixel which presents itself black on a blue screen)
Yes, I tried the "unstucking" apps, left them running for hours and hours, like 12 hours at least, it didnt make any difference
Guess I'll just have to wait 2 months and try again, lets hope Im luckier this time, since its not looking to be a general problem...
That was (very faint) humor, so don't take it too personal :silly:
I think everyone understood what you meant, you just used the wrong term for the technology in question
Hmm, that definitively sounds like a bad batch. However I'm surprised, since Samsung's quality control might let one or 2 units slip but ALL of them having defects? I dunno, but that kinda sounds strange...
Maybe your seller got duped into buying units which Samsung's quality control filtered out. Only a hypothesis but well...
On an interested side note: How hard or easy are the dead pixels to spot? Maybe some of us got them but are unable to notice.
The brain is very good at interpolating missing parts of an image or color. Also how bright was it in the room?
I've recently seen a darker splotch on the screen on the red color but can't find it anymore. (Maybe it was just dirt after all...)
Probably a bad batch, I also bought in Brazil and it is perfect.
d4fseeker said:
That was (very faint) humor, so don't take it too personal :silly:
I think everyone understood what you meant, you just used the wrong term for the technology in question
Hmm, that definitively sounds like a bad batch. However I'm surprised, since Samsung's quality control might let one or 2 units slip but ALL of them having defects? I dunno, but that kinda sounds strange...
Maybe your seller got duped into buying units which Samsung's quality control filtered out. Only a hypothesis but well...
On an interested side note: How hard or easy are the dead pixels to spot? Maybe some of us got them but are unable to notice.
The brain is very good at interpolating missing parts of an image or color. Also how bright was it in the room?
I've recently seen a darker splotch on the screen on the red color but can't find it anymore. (Maybe it was just dirt after all...)
Click to expand...
Click to collapse
All of them were very easy to see, at least for me
juliano_q said:
Probably a bad batch, I also bought in Brazil and it is perfect.
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Click to collapse
Hey there.....in which retailer did you get yours?
I bought mine from FastShop (phisical store)
ReaperBR said:
Hey there.....in which retailer did you get yours?
I bought mine from FastShop (phisical store)
Click to expand...
Click to collapse
Hey, I bought mine at a Vivo store.
Bought pre-ordered on phone from verizon - 32gb w/2 gb ram. Unit made in china (blue) - unit flies and screen is flawless
Sent from my SCH-I535 using xda premium
i had to take my gs3 back to the shop because of a fault with the phone but that was my own fault. but ye the man behind the counter said the gs3 has never had a problem no one has brought one back apart from me to the store so the phones that you went throught must have been fake or something because these are the beat phones out and you dont get any problems with them.
Sent from my GT-I9300 using xda app-developers app
ReaperBR said:
Hey guys, about 3 weeks ago I bought a Galaxy S3 (after waiting for MONTHS to get one, by the way) at first I was delighted with the performance and looks, but after 3 days I noticed I had a stuck pixel (it was black, on a blue screen) using the *#0*# test
Okay, I got a bit sad and went to the store to get it replaced, and so I did, second one......noticed the same problem some time later
Tried AGAIN, went to the store, this time they let me open as many units as I wanted to , to find a perfect one, I went through SEVEN , ALL OF THEM with stuck pixels in some color (green, red, blue) after more than an hour looking I TOUGHT I found a flawless one.....went home with it to apply a screen protector, while I was doing that I found another stuck pixel, couldnt believe what I was seeing
Went to the store ONE MORE TIME to get ANOTHER replacement, the LAST one.....took it out of the box, and there it was, a black pixel on the green screen, just gave up and got my money back
What the hell is going on with samsung? I just wanted a flawless screen, afte all, its a state of the art device, should be flawless!!!
By the way Im from Brazil and the phones were all unbranded
Click to expand...
Click to collapse
Lets just get one thing straight, a black pixel is considered as a dead pixel, other colours are considered as stuck or bright pixels, it's also normal for a screen to have upto 3-5 pixels problem according to the international standard, so you are luck the shop will allow you get a refund after all the unboxed you did, not that anyone will blame you if you get a dead or stuck pixels in the middle of the screen is quite annoying.
anyway here is my story with problems
1 st unit was a in store inspection, out of the box the power button was stuck.
2nd unit, instore inspection the phone had a few specks of dust in screen.
3rd unit seems fine, and thats the unit I took home until I made and received call, although calls made instore were fine, 99.8% of them, the calls will just cut off between 3 minutes and 7 minutes.
Next day
4th unit had more dust in the screen.
5th unit had a black dead pixel in blue screen.
6th unit with instore inspection seem ok, took this home and then I noticed there was a problem with the wifi.
Phone detects wifi but won't connect, just saves into the memory and sometimes it will connect.
Also my router has 3 ssid set, guest, 5ghz and 2.4ghz, most of the time it will just detect one of the 3 ssid while the other 2 will be detected about 5-7 minutes later.
I also have one of the air drive where i can stream music or video from a portable box, most of the time it won't even connect, but the phone detect the signal, if it connects, it won't stream.
If a wifi signal connects, just moving a meter or two away from the router will disconnect.
In all cases the wifi signal detected is very strong.
Next day
7th unit in store inspection found a dark grey stuck pixel in a dark grey background using pixel testers.
8th unit, the greyish silver side of the phone was made very bad.
Next day did not exchange phones
9th unit one tiny speck of dust right at the top of the right corner of the screen.
10th unit, there were two white spot on the bezel, one next to the ear piece and sensor and the other on the side near the volume, both on top next to the screen.
before I check the 9th and 10th phone I did say I will check 2 more unit and if unlucky I will return it to samsung and have the phone's wifi fixed instead, as I did have a good screen.
Well I took the 9th phone as the 1 speck of dust didn't stand out that much.
upto now the phone is working very well.
there you go, my short story.
It's interesting to see that there seem to be quality control issues with devices sold by Hong-Kong retailer and a brazilian retailer.
Both locations are known to have a lot of fake or "fell of the truck" electronic devices, so I stand by my earlier hypothesis that they might not be devices from a batch Samsung ever intended for sale.
(This does not mean the seller knew about it, any part of the delivery chain can be the cause)