possible screen problem with z ultra 6802 help!!!! - Sony Xperia Z Ultra

So recently my z ultra has been acting up there's a single black line that flickers across the screen at time and then the screen turns sort of white and whatever image is on the screen at the time of this happening stays there if you scroll to another home screen or open an app it eventually goes away if you turn the screen on and off multiple times but then it happens again sooner or later......i will upload pics or a video later to give you guys a better idea on what im talking about

aeazy617 said:
So recently my z ultra has been acting up there's a single black line that flickers across the screen at time and then the screen turns sort of white and whatever image is on the screen at the time of this happening stays there if you scroll to another home screen or open an app it eventually goes away if you turn the screen on and off multiple times but then it happens again sooner or later......i will upload pics or a video later to give you guys a better idea on what im talking about
Click to expand...
Click to collapse
Go to phone > *#*#7378423#*#* > Service test > Display
If the screen is not all white then you have LCD problem.
If all white that's mean your LCD is good,maybe try flash another ROM or factory reset.
Sent from my c680X using XDA premium

Sounds like you're having the same problem as me. You only have a single line though, while 2/3 of my display is like this. Mine gets like this whenever it's a little under room temperature, and it's a hardware defect according to Sony.
Post some pictures though. It could be software related (if you're lucky).
Sent from my C6833 using Tapatalk

My XZU has this 1x1 cms 'purple cloud' at top mid center of screen all the time. I see it at the phone boot animation also. Its not captured on screen. So I guess its an LCD burn mark
Its visible only at medium and high brightness on a black background. Not on white background.

aeazy617 said:
So recently my z ultra has been acting up there's a single black line that flickers across the screen at time and then the screen turns sort of white and whatever image is on the screen at the time of this happening stays there if you scroll to another home screen or open an app it eventually goes away if you turn the screen on and off multiple times but then it happens again sooner or later......i will upload pics or a video later to give you guys a better idea on what im talking about
Click to expand...
Click to collapse
http://youtu.be/iFnjwzcNcX4

I did a factory reset twice ...and its running the stock rom
Sent from my GT-N8013 using xda app-developers app

LordManhattan said:
Sounds like you're having the same problem as me. You only have a single line though, while 2/3 of my display is like this. Mine gets like this whenever it's a little under room temperature, and it's a hardware defect according to Sony.
Post some pictures though. It could be software related (if you're lucky).
Sent from my C6833 using Tapatalk
Click to expand...
Click to collapse
It does happen when the phone gets a little cold so maybe we have the same problem
Sent from my GT-N8013 using xda app-developers app

aeazy617 said:
It does happen when the phone gets a little cold so maybe we have the same problem
Sent from my GT-N8013 using xda app-developers app
Click to expand...
Click to collapse
Just checked out your video, and i'm having this issue too. That's called "ghosting", and that means that the response time of the screen has gone to hell. The issue gets triggered on mine when the temperature drops a little.
Try this:
- Is it functioning normally in room temperature? If yes, put the phone in your refrigerator for 2-3 minutes and see if it's still functioning properly. If not, well.. then you're having the same issue as me, and i've talked to Sony, and it's a hardware defect and you'll have to use your warrenty and get a new screen. I sent mine in for repairs today, so i'm crossing my fingers.
IF you decide to send it in for repairs, remember to call them and ask them to do whatever triggers the issue, or else they'll simply re-flash the firmware and call it a day. That's what happened to me the first time, and you don't want that to happen

LordManhattan said:
Just checked out your video, and i'm having this issue too. That's called "ghosting", and that means that the response time of the screen has gone to hell. The issue gets triggered on mine when the temperature drops a little.
Try this:
- Is it functioning normally in room temperature? If yes, put the phone in your refrigerator for 2-3 minutes and see if it's still functioning properly. If not, well.. then you're having the same issue as me, and i've talked to Sony, and it's a hardware defect and you'll have to use your warrenty and get a new screen. I sent mine in for repairs today, so i'm crossing my fingers.
IF you decide to send it in for repairs, remember to call them and ask them to do whatever triggers the issue, or else they'll simply re-flash the firmware and call it a day. That's what happened to me the first time, and you don't want that to happen
Click to expand...
Click to collapse
It was working fine then I put it in the fridge for two minutes and it started malfunctioning as soon as I took it out like you said it would
Sent from my GT-N8013 using xda app-developers app

aeazy617 said:
It was working fine then I put it in the fridge for two minutes and it started malfunctioning as soon as I took it out like you said it would
Sent from my GT-N8013 using xda app-developers app
Click to expand...
Click to collapse
Alright, so it's the same issues as i have, and it's a production error according to Sony, so you'll have to send it in for repair. This is strangly enough only the second case where this happens, that i've read or heard about (including my own Ultra), so it doesn't seem to be that big of an issue. It could simply be an issue on a batch of Ultras that we got. It's a really strange defect though.

Alright, so I got my Ultra back yesterday with a new screen, and the problem is solved. I tested it by leaving it in my refrigerator for about 5 minutes, and there were no signs of slowdowns or other defects, so that's the way to go
Sent from my C6833 using Tapatalk

Related

annoying auto dim

does this happen to you?
i was playing on my tablet then the screen turn soooo dark
like as if the bright setting is turn all the way down.
i can hardly see to operate, i press the power button then again to login.
but when i check the setting it appear untouch
even after turning off auto brightness.
Mine kinda does this... mine just goes super dark, but i usually just touch the screen or the power button and it brightens back up, just like a laptop getting ready to go into sleep or hibernate mode.
It happens again after I set timeout tok 30 m3inutes
It could be bad lcd, I could not see a thing.
That would suck if it is a bad LCD, but at least it would be under warranty!
This happened to me, I think it is because I had brightness at maximum... I turned the brightness slightly down and it has happened again. But maybe that's just me?
Sent from my Sony Tablet S using xda premium
It has a light sensor and auto-adjust capability. I've notice as I move around with mine or change how room light hits it will darken or brighten. Doesn't bother me enough to go looking for some settings to disable it, but there should be some there.
I have the same problem too... everytime I turn off the screen using the power button then turn on again the screen turn very dark when the setting is set to auto brightness... it is very annoying while doing something on the S and went away from a while then come back to use it the brightness is totally so dim...
I'm sorry to say but you guys have a defective unit. Just switch it in right away.
turn off auto brightness.
I contact newegg yesterday but no reply yet.
edit: i call them via phone got my shipping label.
Turning off auto brightness doesnt help, but tuning down the brightness from max down slightly I havent had the issue.
If it happens again ill have to send this back, I feel bad loosing the official siony screen cover.
Byt loosing $30 is better than five ninty-nine us dollars.
Sent from my Sony Tablet S using XDA Premium App
The issue describedhappened to my first one which is why I know it. Just re turn it. Its not normal behavior.
It is the Android problem, not Sony. Unless you change OS....
sixthday said:
It is the Android problem, not Sony. Unless you change OS....
Click to expand...
Click to collapse
my xperia x10 2.3.3 fw and before that doesn't bug me this much.
if all 3.2 fw tablet does it then i would blames on 3x
go ahead turn on your auto brightness and browse the net in a well lid room.
I have one that is doing the same thing. Also every now and then the screen shuts off and I cant get it to come back on for awhile unless I hold power for like 30 sec. Is this a defective tablet or honeycomb 3.2? Thanks!
I'm telling you guys, I sell the things andI KNOW the issue they are taking about. We played with the settings all day and it kept happening but the issue NEVER happened to any of the other units. It's most likely a defective unit because as I said, it only happened to the one unit.
officeman said:
I'm telling you guys, I sell the things andI KNOW the issue they are taking about. We played with the settings all day and it kept happening but the issue NEVER happened to any of the other units. It's most likely a defective unit because as I said, it only happened to the one unit.
Click to expand...
Click to collapse
I agree, im exchanging mine today. Last night I charged it and it kept restart looping untill I turned it off then hooked up the power supply. Ill let ya guys know how the next one acts!
Is official sony screen cover out yet? And in which country please - i would like to get one as soon as possible. Thank you.
Sent from my Sony Tablet S using Tapatalk
D00QLE said:
the official siony screen cover.
$30 us dollars.
Click to expand...
Click to collapse
i think they are not available in Europe yet - so you should be able to sell the cover easily if you ship internationally
Sent from my Sony Tablet S using Tapatalk
Try your local Sony Centre, High Wycombe have them in stock. £24.99 i think

SGSII AT&T Random Reboots

Is anyone experiencing random reboots with your phone. It will either just flat out reboot, or the signal meter gets an X then the media scanner function and comes back to normal.
I read on the international GSII's that you wedge a piece of paper in the battery compartment to stop movement or the RAM is bad.
Please any thoughts or advice?
Not at all. I would try a factory reset and if that doesn't fix it return that thing. Good luck
Sent from my SAMSUNG-SGH-I777 using XDA App
My first phone had the same problem. Return it get a new one.
Sent from my SAMSUNG-SGH-I777 using xda premium
I would try a factory reset first before returning it.
Sent from my SAMSUNG-SGH-I777 using xda premium
hwolf77 said:
Is anyone experiencing random reboots with your phone. It will either just flat out reboot, or the signal meter gets an X then the media scanner function and comes back to normal.
I read on the international GSII's that you wedge a piece of paper in the battery compartment to stop movement or the RAM is bad.
Please any thoughts or advice?
Click to expand...
Click to collapse
Reboot all the way to the GalaxyS II screen, or back to the bootanimation?
The two are VERY different.
No problems here, even with an experimental kernel.
No reboots on mine as of yet...
Had that problme
Had the same problem, took it back the second day and got a different phone. Works fine since.
Ugggg....
Thank you everyone for the advice. I took the phone back and got a new one. No reboots.....which is great. However, now there is like screen burn in (similar to plasma tvs).....only noticeable with bright white or dark grey screens like when you open the market app and the grey screen appears in the background. Its like a huge discolored grey band right through the middle of the screen. Guess I will take this one back for #3......if this doesnt work Im gonna get something else...
i guess I should consider myself lucky that my phone is flawless

Screen Flicker

For the second time since I got my Prime yesterday, my screen has had a slow flickering fit. The soft buttons disappeared but still responded to touches, and the screen would flicker very tiny lines of color and slightly bounce at the edges. Anyone else experience this?
Sent from my Transformer Prime TF201 using Tapatalk
I notice a pulsating from Google maps but thats it.
nyijedi said:
For the second time since I got my Prime yesterday, my screen has had a slow flickering fit. The soft buttons disappeared but still responded to touches, and the screen would flicker very tiny lines of color and slightly bounce at the edges. Anyone else experience this?
Sent from my Transformer Prime TF201 using Tapatalk
Click to expand...
Click to collapse
Take it back...
DroidX | XDA App
Scumbag Inc. said:
I notice a pulsating from Google maps but thats it.
Click to expand...
Click to collapse
Same here but that's it.
tdrussell said:
Take it back...
DroidX | XDA App
Click to expand...
Click to collapse
I'm not sure that it's a defect. I figure I'll give it some more time first. Also, it started happening after I installed 2 apps that weren't listed the market, which I sideloaded onto the tablet, so I'm wondering if they may have had something to do with it. I've since uninstalled them and will monitor the situation.
Sent from my Galaxy Nexus using xda premium
Wipe/factory reset it. If that doens't fix it, send it back for exchange/refund. I wouldn't want them trying to diagnose a wonky problem, get a fresh tablet.
Also, even though the flickering seems like it would be a hardware problem, the fact that the soft buttons disappear and the area turnaround black leads me to believe that it's some type of software problem, not a hardware defects.
Sent from my Galaxy Nexus using xda premium
I get it on some web pages and a lot on the bottom of the screen watching YouTube. I just started to get it while booting. It did a restart on me this morning. Factory reset sucks without nandroid. Asus, please let us root this....
jimbob_sf said:
I get it on some web pages and a lot on the bottom of the screen watching YouTube. I just started to get it while booting. It did a restart on me this morning. Factory reset sucks without nandroid. Asus, please let us root this....
Click to expand...
Click to collapse
I suspect that incompatible apps may have something to do with this. I sideloaded two unsupported apps and I got the flicker shortly after that. I uninstalled them yesterday and so far, so good. Also, I was getting a ton of reboots and crashes when I initially automatically loaded all of my phone apps onto the Prime. I did a factory reset and carefully chose my apps, and it's been much more stable since.
All of You just disable the auto brightness and the flickering is gone ;P
ankhazam said:
All of You just disable the auto brightness and the flickering is gone ;P
Click to expand...
Click to collapse
Thanks, but I'm talking about something different. It's a little hard to explain, but I wasn't complaining of flickering brightness. Rather, the picture itself would get all scrambled up.
nyijedi said:
Thanks, but I'm talking about something different. It's a little hard to explain, but I wasn't complaining of flickering brightness. Rather, the picture itself would get all scrambled up.
Click to expand...
Click to collapse
Wow. So this EXACT thing just happened to me. I have no sideloaded apps and auto brightness is disabled. Over the course of several minutes, it went from a few glitchy lines to the entire screen and a complete lockup of the tablet. I held down the power button to reboot, and then came to find this thread...
TF201 / XDA premium
I have the same problem. I had to reboot, since the tablet completely froze at one point with random lines across the screen.
Ever since I do see flickering of the Asus logo when booting but no more serious problems, such as a crash.
I will go on a two week busines trip outside the country and therefore womt return the TP - just hope it will not get worse.
That said, I am happy learn about a possible fix?
MrTW said:
I have the same problem. I had to reboot, since the tablet completely froze at one point with random lines across the screen.
Ever since I do see flickering of the Asus logo when booting but no more serious problems, such as a crash.
I will go on a two week busines trip outside the country and therefore womt return the TP - just hope it will not get worse.
That said, I am happy learn about a possible fix?
Click to expand...
Click to collapse
I have always had the glitching during bboot as well...but I've been staring at this thing almost non stop since the 22nd and this is the first time it has occurred. Dunno what's up but it makes me uneasy.
TF201 / XDA premium
Hopefully it's nothing more than a graphics driver glitch that can be fixed with an update.
Sent from my Transformer Prime TF201 using Tapatalk
tdrussell said:
I have always had the glitching during bboot as well...but I've been staring at this thing almost non stop since the 22nd and this is the first time it has occurred. Dunno what's up but it makes me uneasy.
TF201 / XDA premium
Click to expand...
Click to collapse
I am too, very uneasy with this issue.
Decided to do a last hard reset and if the flicker does not go away, I will return the TP tomorrow morning.
I hope that the hard reset will take care of the problem.
The boot up graphics flicker has been reported by others on another forum as well, they did note that it doesn't occur if you boot up with the Prime plugged in.
i've also noticed this problem, flickering/scrambling on boot during the ASUS bootup screen.. and i've also had quite a few random lockups, force closes and reboots... looks software related to me
firmware update this morning seems to have fixed the boot and browser flicker. Anyone else?
jimbob_sf said:
firmware update this morning seems to have fixed the boot and browser flicker. Anyone else?
Click to expand...
Click to collapse
have not seen it after a factory reset, update this morning, and then two or three reboots. It was an addressed item in the release notes.
Software fixes are good!

Screen flickering/grey lines?

My phone seems to have an issue where in cold weather or an air con room strange grey and white lines flicker across the bottom centimeter or so of the screen, distorting the image. Even in just mildly chilly weather (around 26 degrees celsius) I get this issue. However if I heat the phone up by playing a graphic intensive game or the like, they go away. Anybody else have this problem?
This is known as the "ice ice baby" effect. Were u listening to Vanilla Ice when this happened?
Sent from my SGH-I777 using Tapatalk 2
Phalanx7621 said:
This is known as the "ice ice baby" effect. Were u listening to Vanilla Ice when this happened?
Sent from my SGH-I777 using Tapatalk 2
Click to expand...
Click to collapse
Surprisingly not.
benjamingdelacruz said:
Surprisingly not.
Click to expand...
Click to collapse
I'm surprised you didn't flip out and be like "Stop giving me sarcastic answers. If you aren't going to help don't post!!!!!!" But seriously he is helping by keeping the thread at the top
Sent from my SGH-I777
122ninjas said:
I'm surprised you didn't flip out and be like "Stop giving me sarcastic answers. If you aren't going to help don't post!!!!!!" But seriously he is helping by keeping the thread at the top
Sent from my SGH-I777
Click to expand...
Click to collapse
Nah, I'm pretty chill, and it was amusing, plus I'm happy for the bump.
Anyway, new question - can somebody recommend some overvolting/overclocking settings that I can use to make my phone hot? Because as it is now even at room temp I get those lines, I'm not too sure anymore that heating things up will get rid of them, but it's worth a shot.
benjamingdelacruz said:
Nah, I'm pretty chill, and it was amusing, plus I'm happy for the bump.
Anyway, new question - can somebody recommend some overvolting/overclocking settings that I can use to make my phone hot? Because as it is now even at room temp I get those lines, I'm not too sure anymore that heating things up will get rid of them, but it's worth a shot.
Click to expand...
Click to collapse
I suggest a warranty replacement. Who wants their phone to have to stay constantly heated. Not sure how much to over volt to for the i777 but I use no frills app for clock work on my tab
j510 said:
I suggest a warranty replacement. Who wants their phone to have to stay constantly heated. Not sure how much to over volt to for the i777 but I use no frills app for clock work on my tab
Click to expand...
Click to collapse
Sadly that's not an option as I bought it used (but mint) and unlocked (where I live phones don't come with contracts, so you shell out about 700$ for a new high end phone). It worked fine for the first month, then things went weird a week ago...no idea what the problem could be. I ordered a new battery and am flashing back to stock to see if it's a software issue, but I doubt either of those will solve it.
Phalanx7621 said:
This is known as the "ice ice baby" effect. Were u listening to Vanilla Ice when this happened?
Sent from my SGH-I777 using Tapatalk 2
Click to expand...
Click to collapse
I laughed so hard!!
Sent from my SGH-I777 using Tapatalk 2
Your GPU is dying get it replaced
Sent from my SGH-I777 using xda premium
Mikey9L said:
Your GPU is dying get it replaced
Sent from my SGH-I777 using xda premium
Click to expand...
Click to collapse
Seems unlikely, as even in recovery, etc I get those lines - and screenshots show up perfectly fine, with no artifacts that would indicate a problem with the gpu.
Mikey9L said:
Your GPU is dying get it replaced
Sent from my SGH-I777 using xda premium
Click to expand...
Click to collapse
I too agree. Although it is completely different, I got the same thing on my Xbox 360. Checkerboard/white and black lines are indicators of a bad gpu. I have since stopped using it but it will eventually lead to the red ring.
iksnoved25 said:
I too agree. Although it is completely different, I got the same thing on my Xbox 360. Checkerboard/white and black lines are indicators of a bad gpu. I have since stopped using it but it will eventually lead to the red ring.
Click to expand...
Click to collapse
If it was the GPU is should show up in a screenshot, no? Anyway, I'll try to get a technician to have a look at it and see if he can do anything.
It's really weird though how the problem disappears once the temperature reaches 40 degrees celsius. I really can't figure this thing out.
samsung s2 screen issue
benjamingdelacruz said:
My phone seems to have an issue where in cold weather or an air con room strange grey and white lines flicker across the bottom centimeter or so of the screen, distorting the image. Even in just mildly chilly weather (around 26 degrees celsius) I get this issue. However if I heat the phone up by playing a graphic intensive game or the like, they go away. Anybody else have this problem?
Click to expand...
Click to collapse
hey I have the same issue on my phone.Grey horizontal lines appeared on the screen. Only 1/3 of my phone screen is in normal condition without grey lines. When I used my phone at the outdoor approximately under 6 deg celcius, 2/3 of my phone screen were then covered by dark screen!!! However, when i go to a warmer place and restart my phone few times then it had gone better condition yet the grey lines still appear there. May I know have you solved your phone screen issue?? Your help will be greatly appreciated.
As said before, GPU. My old Xbox did the same thing but if I put a heater behind it it would be fine. Sounds like the soldering is bad to be honest.
Sent from my SII(i777) running Task and Ktoonsez AOKP 10/28
rainny said:
hey I have the same issue on my phone.Grey horizontal lines appeared on the screen. Only 1/3 of my phone screen is in normal condition without grey lines. When I used my phone at the outdoor approximately under 6 deg celcius, 2/3 of my phone screen were then covered by dark screen!!! However, when i go to a warmer place and restart my phone few times then it had gone better condition yet the grey lines still appear there. May I know have you solved your phone screen issue?? Your help will be greatly appreciated.
Click to expand...
Click to collapse
Unfortunately I have not been able to solve it, at this point heat no longer matters. Whether the phone is hot or cold I still get about the same amount of grey lines. You can try to take it in to get checked for faulty screen or gpu, but where I live the repairshop didn't have the necessary parts.
Sent from my SGH-I777 using xda app-developers app
benjamingdelacruz said:
Unfortunately I have not been able to solve it, at this point heat no longer matters. Whether the phone is hot or cold I still get about the same amount of grey lines. You can try to take it in to get checked for faulty screen or gpu, but where I live the repairshop didn't have the necessary parts.
Sent from my SGH-I777 using xda app-developers app
Click to expand...
Click to collapse
I have no idea about the hardware of smartphone. But for my old laptop, I met similar issue, showing vertical color lines, solved by change the screen.
s2
Sorry for posting on this old thread, but I have the same problem, did you find a fix?

SOLVED - Xperia Z Ultra - LCD Screen Issue while TURN ON - New Problem - UPDATE 8/15

I've had my XZU for a week now, everything has been working fine so far. Nonetheless I've noticed lately that when I turn it on I will see like a curtain or shade of colors from the top down up to half of the screen (it's like a flash, quickly disappearing), apart from that it will resume from sleep fine and no other issues, nonetheless is weird that this is happening now after a week of usage, I hope is not a symptom that something worse is about to happen. I have attached a Youtube link to a short video I just recorded.
NOTE: I do not think is a software problem because I booted the phone is "safe mode" and the exact same thing happened. It seems like a hardware issue that gets worse over time, because at the beginning happened once out of 4 times I turned it on, now is once every two times. I do not see a very good future with this phone
http://youtu.be/1ZucFrMvg_w
UPDATE 8/15: All my screen issues have been fully resolved with FW .475
So we have our own thread for the curtain now.
Sent from my C6802 using XDA Premium HD app
I think the issue is Power Management related, let me explain. If I turn on the device after being idle for a while (device is COLD) there will be no curtain issue, but if I turn it OFF and then ON right away (device is WARM) it seems the phone is entering a power save state and is not ready to be powered on again and that's when you get the curtain issue. The result seems to be very consistent with my explanation.
What I do not understand is that why this problem started happening after one week of usage, I thought it was application related but after my "safe boot" mode where no new applications are running only stock apps and I got the same result it can be application related. Also I thought that maybe the Stamina Mode had something to do with it, but it does not.
My last theory is that there is a piece of hardware that is getting degraded over time and when the phone is warm it will produce the curtain effect, if that's the case this is really bad, because the whole phone could stop working down the road. but it's just a theory.
Oh man
My experience with similar LCD issues has been around poor connection between the LCD screen and the motherboard. However, I'm by no means an expert on this.
I would definitely be claiming under the warranty for this.
I spoke with the vendor in Singapore and told me this is a known problem by Sony and they are working on a Firmware update. They suggested to keep the phone until the FW will be released in September and then decide if I will exchange it or keep it. The vendor also extended the Return/Exchange window until October so I will have enough time to test the phone after the FW update.
It's good to know that Sony has acknowledge the problem and is working on a solution.
Any chance Sony will do a firmware update to resolve this?
So it might be a firmware issue? I sure hope so
Sent from my C6802 using XDA Premium HD app
UPDATE 2
I think the problem is Power Management related, because if I leave the phone idle for 5min and then I turn it ON it will happen the issue you are seeing on the attached video. But if you turn it OFF and immediately turn it back ON again it will be fine. I think what is happening is that after 5min the phone will enter into DEEP POWER SAVE. The threshold to enter power save mode is around 15 seconds. I would say is something that should be able to be fixed with a Firmware update, but my only concern is why this problem did not happen during the first week, that behavior makes me think it's a Hardware problem that developed over the first week of usage, meaning a defective device.
NOTE: As you can see at the beginning of the video the phone has been Factory Reset, so there are no third party apps and anything wrong on the configuration.
http://youtu.be/vgnILc3ib8M
Mine did it the first day. I noticed it did it about 3 times that day. And I agree with you it might be the power save mode. Hopefully it gets resolved.
Sent from my C6802 using XDA Premium HD app
my phone has a problem too
http://youtu.be/Jv-QkbZBi58
Watch my video..
yellstop said:
http://youtu.be/Jv-QkbZBi58
Click to expand...
Click to collapse
I got a XPERIA Z ULTRA TODAY and I didn't install anything.
but When I push the power button, this phone wake up randomly.
after factory reset, this situation is same continuosly
http://youtu.be/pig1BurDaGw
brosenz said:
I've had my XZU for a week now, everything has been working fine so far. Nonetheless I've noticed lately that when I turn it on I will see like a curtain or shade of colors from the top down up to half of the screen (it's like a flash, quickly disappearing), apart from that it will resume from sleep fine and no other issues, nonetheless is weird that this is happening now after a week of usage, I hope is not a symptom that something worse is about to happen. I have attached a Youtube link to a short video I just recorded.
NOTE: I do not think is a software problem because I booted the phone is "safe mode" and the exact same thing happened. It seems like a hardware issue that gets worse over time, because at the beginning happened once out of 4 times I turned it on, now is once every two times. I do not see a very good future with this phone
http://youtu.be/1ZucFrMvg_w
Click to expand...
Click to collapse
My Z Ultra does exactly the same thing but it does not worry me. Seems to be a software glitch that should be easily fixed.
Mine happens when i am taking calls and i turn the screen on or off. Other times it is random but normally when i have been using the device for a period and then turn the screen on and off quickly after using it.
But yeah, i do not think it is an issue to worry about. If it was serious, surely the screen would be having issues a lot more when it is on and not under these specific situations?
ScottishSwan said:
My Z Ultra does exactly the same thing but it does not worry me. Seems to be a software glitch that should be easily fixed.
Mine happens when i am taking calls and i turn the screen on or off. Other times it is random but normally when i have been using the device for a period and then turn the screen on and off quickly after using it.
But yeah, i do not think it is an issue to worry about. If it was serious, surely the screen would be having issues a lot more when it is on and not under these specific situations?
Click to expand...
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If it's a software problem how is it possible that during the first week the phone worked fine?, even after a factory reset the problem will still be there, that means (to me at least) that a hardware issue develop during use for the first week and now it cannot be recovered
brosenz said:
If it's a software problem how is it possible that during the first week the phone worked fine?, even after a factory reset the problem will still be there, that means (to me at least) that a hardware issue develop during use for the first week and now it cannot be recovered
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seems to me like the screen is not getting enough power for the first couple of seconds
douse this problem also happen if u disable stamina mode :?
dragnar said:
seems to me like the screen is not getting enough power for the first couple of seconds
douse this problem also happen if u disable stamina mode :?
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I've tried both scenarios Stamin ON and OFF, same result no difference
So far the new update looks to have fix the curtain
Sent from my C6802 using XDA Premium HD app
Update:
2 days ago I left my ZU on charge all night and today updated to firmware 14.1.B.0.475 and touch wood no more screen issues, and finally my cover arrived just need the sbh-52 and dock and I am all good.
Do a factory reset with full wipe!!!
For make sure you totally wiped that garbage bro

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