I ordered an Xperia Z Ultra and received it in the mail yesterday. Unfortunately, the unit I received has a defective screen. When you press the power button, the screen backlight turns on but stays completely blank (black). Android is still running fine underneath -- pressing back/home/app softkeys gives haptic/audio feedback, pressing volume rocker gives volume up/down sounds, etc. However the screen stays completely blank and the device is unusable.
No matter how many times you press the power button, the screen still remains blank/black. The screen will only turn on correctly, randomly. On my unit, anywhere between 5 and 150 power button presses.
The screen also has a noticable yellow tinge.
Turning-off the phone first does not solve the problem. In fact, the screen is still blank when booting up (i.e.: the "Sony/Xperia" loading screen/boot animation).
Pressing the hard-off button next to the SIM card tray also does not solve the problem.
Pressing and holding Power+VolUp also does not solve the problem.
Factory-resetting via Settings also does not solve the problem.
Reflashing latest firmware from PC Companion or SUS also does not solve the problem. (Flashes correctly, but screen is still defective)
So just beware, for anyone getting a C6802. Either confirm in-person that you don't have a defective unit, or have your retailor confirm for you.
The unit I received:
- C6802 (3G-only), White
- Hong Kong, unbranded
- Manufature date: 13W29 (2013, Week 29)
- Firmware version: 14.1.B.0.471
Edit:
Other YouTubers similar/worse defect on their Xperia Z Ultra:
Both video upload by same person, it is ridiculous having two units and both is defective.
Lucky me and my friend + at least 30 users (report at Malaysia lowyat forum), our units running perfectly fine and no issue with great panel display, not as above video look that terrible and full with problem.
Got my C6802 on Friday and love it!
No screen problems at all here.
Sent from my C6802 using xda app-developers app
cmclaughlan said:
Got my C6802 on Friday and love it!
No screen problems at all here.
Sent from my C6802 using xda app-developers app
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Click to collapse
Seconded.
Good to hear you haven't had any problems. Hopefully this is a limited issue that won't affect a lot of units.
Unfortunately the RMA process for me will take some time, and my retailor just ran out of stock, so looks like I'll be waiting for some time before I can get a replacement.
Bought from a reputable seller?
Sent from my LT29i using Tapatalk 2
Lusterboi said:
Bought from a reputable seller?
Click to expand...
Click to collapse
Ordered from Expansys. As I'm in Japan, I ordered from their Japan division (based in Hong Kong), which is unfortunately under-staffed. Sadly, I'll have to pay additional shipping costs for the replacement, as well as paying import tax again for the replacement. Hopefully Expansys will be willing to help cover some of the extra cost, but so far I haven't heard back from them (because they're just under-staffed).
I'm facing black last night. third day of purchase. after press hard rest button solved
Sent from my C6802 using xda app-developers app
avenloh said:
I'm facing black last night. third day of purchase. after press hard rest button solved
Click to expand...
Click to collapse
Did you have the same blank screen problem as in the video?
And can you explain the "hard reset button"?
I have tried soft-off (Power+VolUp, or OFF switch located next to SIM tray), software factory reset (Settings > Backup & Reset), and Sony PC Companion/Update Service (reflash factory firmware), and my device still has the same issue.
Thanks.
fhsieh said:
Did you have the same blank screen problem as in the video?
And can you explain the "hard reset button"?
I have tried soft-off (Power+VolUp, or OFF switch located next to SIM tray), software factory reset (Settings > Backup & Reset), and Sony PC Companion/Update Service (reflash factory firmware), and my device still has the same issue.
Thanks.
Click to expand...
Click to collapse
mine is just blank. no line as second video. still can recieve call (using bluttoth). but nothing show. plug in chaarger also cannot charge. press the button beside sim card solved
I think this is a software issue (there may be multiple root causes/symptoms).
Today my display would not turn on, but the phone appeared to be working OK- audio etc.
I hooked it up to ADB and saw many messages about inability to turn the dislay on.
Did a adb reboot command and all is well.
Didn't know about the reset switch - I think that would have worked also.
So I believe the phone gets into a state where the display will not turn on (and requires a reboot). Adb reboot is not practical. A hard reset may be, but I need to carry a reset tool with me.
Had the Ultra since last Thursday (so 5 days and 1 occurence). Not sure on root cause (I have a Pebble watch and it's battery also drained at the same time and the Ultra was in a state where it was not charging properly).
Will see if it happens again.
Sent from my SGH-I467M using xda app-developers app
aleekwen said:
I think this is a software issue (there may be multiple root causes/symptoms).
Today my display would not turn on, but the phone appeared to be working OK- audio etc.
I hooked it up to ADB and saw many messages about inability to turn the dislay on.
Did a adb reboot command and all is well.
Didn't know about the reset switch - I think that would have worked also.
So I believe the phone gets into a state where the display will not turn on (and requires a reboot). Adb reboot is not practical. A hard reset may be, but I need to carry a reset tool with me.
Had the Ultra since last Thursday (so 5 days and 1 occurence). Not sure on root cause (I have a Pebble watch and it's battery also drained at the same time and the Ultra was in a state where it was not charging properly).
Will see if it happens again.
Sent from my SGH-I467M using xda app-developers app
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Click to collapse
The phone auto restart when you take out your SIM card also.
Good to know - BTW taking out the SIM tray/card seems very difficult (at least for me) - any hints on how to do this quickly would be appreciated.
Thanks
Sent from my SGH-I467M using xda app-developers app
aleekwen said:
I think this is a software issue (there may be multiple root causes/symptoms).
Today my display would not turn on, but the phone appeared to be working OK- audio etc.
I hooked it up to ADB and saw many messages about inability to turn the dislay on.
Did a adb reboot command and all is well.
Didn't know about the reset switch - I think that would have worked also.
So I believe the phone gets into a state where the display will not turn on (and requires a reboot). Adb reboot is not practical. A hard reset may be, but I need to carry a reset tool with me.
Click to expand...
Click to collapse
Thanks for your input.
I think there are different problems that cause the same/similar symptom.
On my device, no matter if I reset (via Power+VolUp or reset button), or adb reboot, or factory reset, my screen still turns on blank, as I described in the first post. Even when turning on the phone, the Sony boot animation does not display -- only a blank screen.
FYI: You can also power-off the device by holding Power+VolUp until it vibrates 3 times (same as the reset switch next to the SIM tray).
aleekwen said:
Good to know - BTW taking out the SIM tray/card seems very difficult (at least for me) - any hints on how to do this quickly would be appreciated.
Thanks
Sent from my SGH-I467M using xda app-developers app
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Click to collapse
Another correct way is press that red button near SIM card there.
Edited first post with a video of my device.
Note: received the phone yesterday on the 6th, no screen issues were present. It's a white unit.
Had this randomly start happening to me today while my phone was plugged into my car radio. The phone was laid flat. I hooked the phone up to the PC and reinstalled the latest firmware again and it seemed to clear it. I didn't have the issue on the prior firmware, but who knows.
Edit: still randomly happening and I can't recreate the issue. Screen goes off or I turn the screen off and it may or may not come back up blank on the first press. Upon startup the phone displays properly, the Sony logo and animation are visible. It just randomly produces a black screen when turning the screen back on. I think this is a software issue for me as it didn't happen until today and isn't consistent.
I received my Xperia Z Ultra this morning from Negri Electronics, which was shipped direct from Hong Kong, and it has the/similar screen issue. If the phone powers off for any reason, either by way of power management timeout or by pressing the power button, then it's dead. For me, no illuminated black screen and no OS sounds, just dead. I can reset via volume up + power or the side reset switch but yeah...
For what it's worth, the phone arrived in a retail Xperia box but the retail box was not wrapped in any kind of cellophane. I just lifted the lid off to a phone. Is that normal for Hong Kong packaging or did someone decide to sell a known defect as new retail?
Taco Jackson said:
I received my Xperia Z Ultra this morning from Negri Electronics, which was shipped direct from Hong Kong, and it has the/similar screen issue. If the phone powers off for any reason, either by way of power management timeout or by pressing the power button, then it's dead. For me, no illuminated black screen and no OS sounds, just dead. I can reset via volume up + power or the side reset switch but yeah...
For what it's worth, the phone arrived in a retail Xperia box but the retail box was not wrapped in any kind of cellophane. I just lifted the lid off to a phone. Is that normal for Hong Kong packaging or did someone decide to sell a known defect as new retail?
Click to expand...
Click to collapse
Mine arrived from a different retailer in the same condition. The phone itself and accessories were sealed of course.
Sent from my C6802 using xda app-developers app
Also, my version of the power off death is only when on battery. If the phone is charging, I can power it on and off no problem. Each time I do, I hear the audible power off click. However, if the phone is unplugged and running on battery, then most every time I power it off, I hear no audible click - just the screen goes black silently - and it's frozen/off. This is different than the original poster in that it seems his device is still running and the screen may be "on" but black. Mine, power off and it's completely dead until reset - but only on battery (regardless of battery level obviously). If its useful or relevant to anyone, I'm not using a sim at all. I have tried with a sim in, but it still exhibited the freeze behavior.
Related
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....
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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
hi guys, first of all thanks for all the great tips and information on this site.
i have had the Active for about 6 weeks. today while i was listening to music on the phone, the screen did not light up when i pressed the unlock button. the screen was totally blank but music continued to play.
i pulled the battery and although i got the haptic feedback after turning it on, the phone did not come back to life - well at least there were no signs of life on the screen.
the battery was (is) close to fully charged. when i plug it into the usb connected to a power outlet the led light comes on, but if i try and turn the phone on, after the initial vibration (and no sign of life) the led light disappears.
similarly when i plug it into a pc, the led light appears and thats it. the pc detects the disk drive (sort of) but when i click on the f: drive icon it says "please insert a disk into drive f:"
the phone is not rooted as it has the latest firmware and basically unmodified, i have installed very few apps.
any suggestions before i take it to the service centre?
edit: forgot to mention the pc companion does detect the phone, and asks me to change the usb connection status (by dragging down the status bar) but of course i can't...
update - the phone "works" inasmuch as i can play music using the original headset and using the headset control but no display.
although the screen remained blacked out, i managed to unlock it by swiping the screen and then pressing where i thought the music controls were - that seemed to work, i could skip tracks but that's about it.
so for now i have a rather expensive mp3 player with no screen and no controls - a bit like one of those ipod shuffles that only works with the headphones...
this is very disappointing seeing i owned a defy for over a year and it took an absolute beating and is still going (my son is happily using it). the whole reason for buying this was because i run 50-60km per week in singapore so i need something that can handle some pretty rough treatment
So apparently your phone has a faulty lcd. Just take it back to get a replacement
Sent from my ST17i using XDA App
yeah sent it back to expansys already, thanks
acatal said:
yeah sent it back to expansys already, thanks
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Click to collapse
dude, I was about to reload the factory settings and after selecting this option, my phone went blank. I restarted - it started, got the starting animation, after that the unlock screen and after unlocking it, only a blank screen with wallpaper and status bar. panicking what to do, I decided to call somebody i knew who knew somebody in sonyericssona dn they told me to download the latest SE software suit, and it is possible to flash a cell phone following a specific procedure described in it. SO i did that and it flashed my mobile. So, if it will happen to you next time you can try to perform this nice procedure if it will be of any use.
thanks i tried that as well, and i managed to reinstall the firmware but i think as dumraden correctly pointed out, my screen is (somehow) fried. i have given it back for repair so let's see what they come back with.
hopefully it was just bad luck, the phone has not had much use and very little testing of it's so-called rugged capabilities.
Hi, first sorry for my english, I hope that it will be clear enough to understand my problem...
My Xperia Ray, updated to ICS, display a black screen (with backlight) when waking up after a stand by. I have to wait for undertermined time to have something on the screen, sometimes I remove the battery and boot the phone to be able to use it.
I updated it to last 4.0.4 ICS thinking it will resolve the issue, but it has not.
I can still use the phone when connected to MyPhone Explorer with the phone keypad, while the mobile's screen is black the MPE windows shows me the "normal" mobile screen. Everythings else works normally.
I'm afraid to give it to customer service, it was a SFR branded phone and I flashed it with a generic firmware.
Locked bootloader, sfr gave me unlock code for sim cards, lost my root with last upadte too.
Any help ?
Did it also occur on Gingerbread firmware?
Didn't try with GB, it happened when on ICS .562, SEUS update to .431 didn't fix the problem.
I have the same problem with my Xperia Ray.
It already happened on GB and now also on ICS.
The screen stays black if you try to wake it up after standby (doesn't matter if power button or home button ).
This happens around 80% of the time.
The only things that help are: Waiting a few minutes, taking out the battery, or hitting the power button like crazy and eventually the screen will show up again after around 10 times on and off.
I brought my phone to the service center of the shop 3 times and every time they tell me they won't repair or switch it because the hardware looked fine in their opinion (they don't switch it on there, the one time I showed them the switched on phone with the error, they told me they could see the problem but as long as nothing inside is broken 'it's not their problem' . I told my lawyer and now he is trying to get me a replace phone.
The problem even comes right after you factory reset so I don't think it's an app.
It happens without the sd card in.
I had an different homescreen launcher installed around the time it first happened, but I removed it and it still happened and I factory reseted and it still happened. So I think it has nothing to do with that?
I tried software repair with the SE Update Service and it told me everything was alright.
Does someone around here have an idea what could be the cause?
I brought it to SFR customer service (here in france) 2 time, the 2 time they just downgrade it to GB, diagnostic was "update problem". They didn't take in consideration what I told them.
One of the shop employee told me that the third time normally they have to replace it by another one. If they don't want to change it I think I'll mess up their shop...
This even happens on Xperia Mini
when ever i try to wake it up by pressing Home button or Power button
it takes about 3-5 seconds to wakeup
it should be instant isn't it?
I also experienced 2 times that even pressing
all the buttons doesn't wakes up the screen
but only back light, then i have to restart the
phone by removing the battery.:crying:
Me too !
I have tha same problem !! I can't take it esay..It's bad thing in my Idea! very disgusting :crying:
I've got the same delays on my Lww, sometimes my phone doesn't wake up at all, and sometimes it takes several seconds. I haven't found any solution for it, but it seems to be a Sony-specific problem.
Sent from my Transformer Pad TF300T using xda app-developers app
I have also the same problem from some days
tried to reset all with flashtool with no luck
the problem is also during kernel loading,tried different kernel,logo and cw doesn't appear 90%times
if someone is able to read in logcat file I have attached one here
thanks for any help
me also
i also have the same problem with my xperia x10
bad news for all of us.....
http://youtu.be/m4p0-kv1cxA"
I took mine off silent and its working perfectly again. I'd try that!
HPJun said:
I took mine off silent and its working perfectly again. I'd try that!
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Click to collapse
sorry but I haven't understood....my language isn't english
Can you explain better please?
guerrierodipace said:
sorry but I haven't understood....my language isn't english
Can you explain better please?
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Click to collapse
I turned the sound for messages and phone calls back on. On 'silent' the phone just vibrated.
It hasnt fixed the problem of the black screen completely, but it is happening a lot less for me.
Finally I brought my Xperia Ray to the shop where I got it for the third time.
I bought it 159 Euros in december 2011 (plus Sony gave me 50E back) and they refunded 270 Euro in november 2012 !
Not exactly a refund because I had to choose another mobile, so I took the Xperia T which was 430euro, so I had to pay 160 E for the XT.
Good deal for replacement of a one year old mobile ! Only problem is that I can't unlock the BL.
It is a strange hardware problem since the screen can eventually be turned back on, so maybe it is something in the firmware that is screwed up and doesn't get completely fixed by SUS. If I were you guys I would try this fix: http://forum.xda-developers.com/showthread.php?t=1492805
It may not work, but it is better than throwing your Ray in the trash.
I have the same problem. My phone (xperia ray) after standby or after reboot has black screen with backlight. At first waiting for couple of seconds and trying to wakelock would solve the problem, after few weeks to wake up my phone I needed it to reboot (pulling out the battery). Now I need few reboots to start the device with screen on.
I found workarounds like Llama combined with Nightclock (both from Google Play) for the screen never goes off, but this eats battery and also sometimes the screen would go off. I don't believe its a hardware problem because with this workaround the phone is usable few days (until Llama delay the "events").
Found a way to make a logcat from starting the device. Two are for unsuccessful startups (black screen with backlight) and one for successful (screen on).
I think the problem is in the kernel for not loading drivers, but someone who knows to read logcat will tell us/me for sure. I can't flash new kernel because the phone is with Bootloader locked (Bootloader unlock allowed: NO).
Kernel version is 2.6.32.9-perf
Stock Rom 4.1.B.0.587
rooted
PS. Sorry for my english its not my native language.
Just to add one or two more informations: even with black screen and backlight the phone is usable, like I can answer on calls, it vibrates when I slide to unlock... I also thought the problem is in proximity sensor, but if it was that case the touchscreen would be locked.
If you fully discharge the battery and after switch on,it start normally?
guerrierodipace said:
If you fully discharge the battery and after switch on,it start normally?
Click to expand...
Click to collapse
I never tried full discharge of battery. I will try that and post the result.
I was woken last night by a flashing light in my room, the screen on my N10 was cycling between white, black, and backlight off.
The power button would not wake the device, the only thing I could do is hold the power button down until it turned off.
On powering back up, everything was fine and it didn't do it again.
I don't have any apps installed that would cause this, no screen flash notifiers or anything like that, what the hell happened?
I had that happen once, about three weeks ago. Also don't know why, but it hasn't happened again since.
cspiby said:
I was woken last night by a flashing light in my room, the screen on my N10 was cycling between white, black, and backlight off.
The power button would not wake the device, the only thing I could do is hold the power button down until it turned off.
On powering back up, everything was fine and it didn't do it again.
I don't have any apps installed that would cause this, no screen flash notifiers or anything like that, what the hell happened?
Click to expand...
Click to collapse
cspiby said:
I was woken last night by a flashing light in my room, the screen on my N10 was cycling between white, black, and backlight off.
Click to expand...
Click to collapse
paranormal activity?
Patrik G said:
paranormal activity?
Click to expand...
Click to collapse
Maybe OP has an Ouija Board app installed on his N10!?!?
Happened to me too
The screen was flashing a monochrome pattern that looked like a TV test pattern. I had to reboot by holding down the power button. It hasn't happened yet. It also went completely black another time and wouldn't respond, I had to reset it that time as well. I was afraid that it was because I bought a reburbished Nexus 10. I'll repost if it happens again.
kenhensel said:
The screen was flashing a monochrome pattern that looked like a TV test pattern. I had to reboot by holding down the power button. It hasn't happened yet. It also went completely black another time and wouldn't respond, I had to reset it that time as well. I was afraid that it was because I bought a reburbished Nexus 10. I'll repost if it happens again.
Click to expand...
Click to collapse
You bought a refurbished N10? Interesting. I'm curious - how well does it perform? Any issues, other than the aforementioned? I can only afford a refurbished model at the moment, I'm looking at the one currently on eBay buy-it-now 32GB for $430; are the speakers okay? How is the battery life? Solid?
Sorry for derailing the topic, you're just one of the first that I've seen who have bought a refurbished model.
That's probably the memory leak in the graphics driver that some people mentioned (and the crash resulting from it). I had this happening 2 or 3 times on my N10, but only after long uptimes (2-3 weeks). Until it gets hopefully fixed .. reboot more often.
It works well. The speakers sound great, the battery life is pretty good (I use it a lot). It does charge a bit slow, but I may buy the pogo charger.
Ken
CWalkop said:
You bought a refurbished N10? Interesting. I'm curious - how well does it perform? Any issues, other than the aforementioned? I can only afford a refurbished model at the moment, I'm looking at the one currently on eBay buy-it-now 32GB for $430; are the speakers okay? How is the battery life? Solid?
Sorry for derailing the topic, you're just one of the first that I've seen who have bought a refurbished model.
Click to expand...
Click to collapse
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
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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?
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Click to collapse
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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Click to collapse
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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Click to collapse
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