Database Develop

Screen going black randomly on Z1

I've gotten my Xperia z1 black Friday. Since then the screen has gone black on me about 6 times already... Mind u only had it 1 week.
The screen will go black with no image showing but the black light stays on. Pressing power or any button does nothing. I have to press the red power button near the sim card to have it reset.
Today I its done it 4 times in a row. I did notice that the screen flickered a few times on the image then it went to black image with back light on.
I rebooted it. It showed Sony then just the black screen with no image. I rest the phone again and still nothing. I brought it to the store I bought it from and when I went to show him the back light on but no image and no response from the power it worked Ok. Besides when I turned it off the back light stayed on and the phone was hot.
He turned on the optimized back light option as I turned it off to see if that caused the issues. Now after leaving the store as I had him order a replacement I went to turn my phone on after 20min and I got no back light but the image was there... Extremely hard to see I must add. I went in the settings and turned off the auto dimmer option and my screen was fine since then.
Anyone run into this issue?
I hope if I replace this one for another I won't have the same issue again as this phone is very powerful but this issue is a pain!
Sent from my C6906 using xda app-developers app

andyid said:
I've gotten my Xperia z1 black Friday. Since then the screen has gone black on me about 6 times already... Mind u only had it 1 week.
The screen will go black with no image showing but the black light stays on. Pressing power or any button does nothing. I have to press the red power button near the sim card to have it reset.
Today I its done it 4 times in a row. I did notice that the screen flickered a few times on the image then it went to black image with back light on.
I rebooted it. It showed Sony then just the black screen with no image. I rest the phone again and still nothing. I brought it to the store I bought it from and when I went to show him the back light on but no image and no response from the power it worked Ok. Besides when I turned it off the back light stayed on and the phone was hot.
He turned on the optimized back light option as I turned it off to see if that caused the issues. Now after leaving the store as I had him order a replacement I went to turn my phone on after 20min and I got no back light but the image was there... Extremely hard to see I must add. I went in the settings and turned off the auto dimmer option and my screen was fine since then.
Anyone run into this issue?
I hope if I replace this one for another I won't have the same issue again as this phone is very powerful but this issue is a pain!
Sent from my C6906 using xda app-developers app
Click to expand...
Click to collapse
You will have exactly the same issue, it's a known Xperia bug. You would know it if you goolde it first!

Go to sony forums and that issue is a hot topic, same with the touchscreen issue. I'll never buy a ****ty xperia again.

Yes, this is an Android Bug, not the Device. Before Adroid will work well on the device have to past weeks. I had no backlight but the phone was working because when I was touching the screen he also vibrate because that option was abilitate. I had to reboot the phone few times too and disabilitate Adapt to lighting condition, for me that was making black screen. So I did this few times, abilitate and disabilitate and now no matter what is running well even with all the options abilitate. So I will give it time.

Thanks guys.
I have searched on Google and other sources but the way they describe it is a bit different then what I was seeing. Plus many stated they where not able to get it working till they did the power + vol up and down. I just pushed the reset button inside the sim cover and I was fine.
So far by disabling the auto screen brightness I have not had this issue again.
Hope this is more software then hardware issue and can be fixed by next update. I'm on firmware: 14.1.G1.534.
Bell has not pushed the new update people are talking about when I did searches for it.
Could it be bell is waiting for the 4.4 update instead of pushing a small jellybean update?
Hope it's fixable. I love this phone way more than my slow galaxy note I had before.

andyid said:
...the auto screen brightness....
Click to expand...
Click to collapse
"Adapt to lighting condition" and "Auto Screen Brightness" is the same thing.

Yes I know.. I just did not know the name at the time... That was the first name that came to mind...

So far with the Adapt to lighting condition off, My phone has not acted in anyway described above.
Just wanted to give heads up and report of my findings even thought others may have found it also.

Update your phone to 2.257 firmware, it seems the problem caused by "optimized backlight" thing, since on the 257 firmware the optimized backlight check was gone. I only used the 1.534 firmware for a few hours and flashed 2.257 via flashtool and i never experienced any problem until now for like a month and half
Sent from my C6903 using Tapatalk

My provider, Bell Canada states that the most current firmware is X.X.1.543...
I used sony's update tool and it also stated I had most recent update
This flash tool u are talking about... It states an unlocked device. Do they mean that the device is not carrier locked?
I believe mine is Bell Canada locked but there are no branding on the phone.
Also the software shows a list of compatible phones but the z1 is not in the list...
I think I'm sol if mine is not bootloader unlocked correct?

* Update *
I was able to flash stock unbranded android 4.2.2 and then I was able to update ota to 4.3!
Phone runs great now and I no longer have the screen going black issue when I have the auto screen brightness on!
Phone is super smooth!
Thanks for the tips and help guys!
Can't wait to see the 4.4 when it comes out next yr!
Happy new year to all of you!

Oh and my bootloader is still locked. I found the diy to do it with out unlocking my bootloader.
My phone was rooted when I changed to the unbranded firmware.
It's no longer rooted on the now 4.3

note 5 display wont turn on

hi guys i am using note 5 SM-N920G indian single sim 32 GB
i have never rooted my device and it was running in good condition
since last one week it keep happening with me that after locking display my phone is not letting its display turn on sometimes , touch screen works so fine and the whole phone also works fine , even the phone does unlocks but just display is not turning on , if someone calls then i can also pick up the call after swiping at the probable space and volume up and down works , in short phone works just fine just display wont turn up sometimes.
i have tried factory reset and full device firmware reinstall by samsung smart switch software, but nothing works , tell me what should i do?????

^^^^^

Weirdest black screen issue, tried everything ....

Non rooted, T mobile branded 3 month old note 8. No water damange, no drops etc.
Using chrome one miniute, set the phone down to watch a movie on my tablet, picked up the phone to check messages and boom. Screen is off. The phone works, I can even answer calls because I know where the answer button is on the screen, haptic feedback works, all indicator lights work. The phone screen remains off.
Tried a soft reset (tried hard reset too the best I could being I cant see the screen) and the phone seems to reset based on the vibration and indicator light patters but the screen remains off. It's as if a physical connection between the screen and the brains of the phone has been severed. Literaraly the weirdest thing that has happened to me in a decade of Android phone ownership.
Googled all the black screen issues with these phones and most of them are resolved with just a soft reset... some said that the phone is in it's lowest dimmed state and go to a dark room and i'll see it faintly and then can increase brightness... no luck...
Has anyone experienced this?

I would say it's a warranty job, just tried turning my brightness to zero and you can still see the screen.
I did have a similar problem on an old note that had root and custom rom though but I had somehow set the volume rocker to control brightness and it had lowered itself to minimum in my pocket

KEVIN88GT said:
Non rooted, T mobile branded 3 month old note 8. No water damange, no drops etc.
Using chrome one miniute, set the phone down to watch a movie on my tablet, picked up the phone to check messages and boom. Screen is off. The phone works, I can even answer calls because I know where the answer button is on the screen, haptic feedback works, all indicator lights work. The phone screen remains off.
Tried a soft reset (tried hard reset too the best I could being I cant see the screen) and the phone seems to reset based on the vibration and indicator light patters but the screen remains off. It's as if a physical connection between the screen and the brains of the phone has been severed. Literaraly the weirdest thing that has happened to me in a decade of Android phone ownership.
Googled all the black screen issues with these phones and most of them are resolved with just a soft reset... some said that the phone is in it's lowest dimmed state and go to a dark room and i'll see it faintly and then can increase brightness... no luck...
Has anyone experienced this?
Click to expand...
Click to collapse
Try pressing and holding Volume down and power button for 5 to 7 seconds to force power off, then try to boot to download mode Volume Down + Bixby + Power button and see if the download mode screen shows......if not then probably a bad screen.
Sent from my God Mode 8

Tried it......nothing.....warranty job it is.... Bummed to have some refurnished phone in exchange for a Brand new 900 dollar phone just a few months back?

KEVIN88GT said:
Tried it......nothing.....warranty job it is.... Bummed to have some refurnished phone in exchange for a Brand new 900 dollar phone just a few months back?
Click to expand...
Click to collapse
Yeah that sucks, i can imagine..... i too hate the idea of refurbished units being swapped for warranty....bs, should be brand new unit!
Sent from my God Mode 8

so I had it replaced under warranty through T mobile. Refurb phone will come in today. One quesion. Should I let the Tmobile techs do the data/settings transfer from old phone to new one or just do everything myself from scratch (which will obviously take longer).

This happened to my phone twice for the past month or so. (both in Nougat and Oreo - Non rooted) Black screen but phone seems to be responding -- I can receive calls and notifications etc -- And force reboot doesn't fix it. I've also tried drainging the phone when it first happened to me but doesn't work. HOWEVER, it gets okay so randomly. Like I just left it for couple of hours and it just worked when I hit the power button.
I did tried bringing the device to Samsung but what they did is to just manually upgrade/reset the software in their end which I could have done in my part but I just let them do it. They told me to come back if it happens again which is kinda BS.
I can conveniently say this is a Hardware issue. I will wait for it to happen again on my phone and request for a replacement. Phone is 4 months old when it first happened.

I have the same issue with blank screen but phone is working.
It started couple of weeks after i dropped my phone on the ground. There is black dot on my screen and broken glass but phone was working ok and was still pretty usable. But then it started:
Display works fine but when i switch display of, lock the phone or display switched because of its timer it didn come switch on... But phone works, i can use it with blank (black) screen.
I had to do force restart so the display will turn on with samsung logo and booting screen, and keep on till another switch of.
I was trying every setting (but no hard reset) and then i found a little hack:
When you turn on the "Always On Display" (AOD) function you can let the screen switch off or do it manually, wait for 1-2 sec and always on display will come up to the screen. Then when you press home button or lock button screen will swtich on normally. YOu can type pin and use phone witch screen working. But when you try to unlock from "AOD" with your finger or your eyes it unlock but with screen black.
So i was using it like this. everytime you need to wait second untill AOD comes up, but it was working fine.
Problem nu 2 is that now it stop working, AOD is working but when i want to switch screen on from AOD it shows black screen and phone is working on blind.
So everytime after my screen goes black or to AOD i have to unlock the phone blindly and "Force restart" it and have to keep waiting until boot, and then have to never let phone to screen of.
Its not usuable.
¨
Now what do you think? Is it hardware problem or software problem? Because screen is working but randomly. The black dot of dead pixels on the screen is getting slightly bigger in time (about 1 year) but its like 1.5cm round. Maybe this cause the problem? And why hack with AOD was working for half a year and then stoped working? There wasnt any updates right before, but i tried to install some apps (non display related) so ill try to uninstall them.
Hawe you got any idea if i can repair it on my own even if i loose the waterproofability?
Or can it be replaced for free if i have a warranty? (I dont have insurance)
Thanks for your tips guys.

Reprocrastinator said:
I have the same issue with blank screen but phone is working.
It started couple of weeks after i dropped my phone on the ground. There is black dot on my screen and broken glass but phone was working ok and was still pretty usable. But then it started:
Display works fine but when i switch display of, lock the phone or display switched because of its timer it didn come switch on... But phone works, i can use it with blank (black) screen.
I had to do force restart so the display will turn on with samsung logo and booting screen, and keep on till another switch of.
I was trying every setting (but no hard reset) and then i found a little hack:
When you turn on the "Always On Display" (AOD) function you can let the screen switch off or do it manually, wait for 1-2 sec and always on display will come up to the screen. Then when you press home button or lock button screen will swtich on normally. YOu can type pin and use phone witch screen working. But when you try to unlock from "AOD" with your finger or your eyes it unlock but with screen black.
So i was using it like this. everytime you need to wait second untill AOD comes up, but it was working fine.
Problem nu 2 is that now it stop working, AOD is working but when i want to switch screen on from AOD it shows black screen and phone is working on blind.
So everytime after my screen goes black or to AOD i have to unlock the phone blindly and "Force restart" it and have to keep waiting until boot, and then have to never let phone to screen of.
Its not usuable.
¨
Now what do you think? Is it hardware problem or software problem? Because screen is working but randomly. The black dot of dead pixels on the screen is getting slightly bigger in time (about 1 year) but its like 1.5cm round. Maybe this cause the problem? And why hack with AOD was working for half a year and then stoped working? There wasnt any updates right before, but i tried to install some apps (non display related) so ill try to uninstall them.
Hawe you got any idea if i can repair it on my own even if i loose the waterproofability?
Or can it be replaced for free if i have a warranty? (I dont have insurance)
Thanks for your tips guys.
Click to expand...
Click to collapse
If you're under warranty it will likely be a free repair, unless they find other damage. Like moisture damage.
As far as fixing it yourself, it's just about as cheap to have Samsung do it than it is to buy the parts yourself. It's $229 for Samsung to do it, and you'll maintain the water resistance rating.

same has happened to me
KEVIN88GT said:
Non rooted, T mobile branded 3 month old note 8. No water damange, no drops etc.
Using chrome one miniute, set the phone down to watch a movie on my tablet, picked up the phone to check messages and boom. Screen is off. The phone works, I can even answer calls because I know where the answer button is on the screen, haptic feedback works, all indicator lights work. The phone screen remains off.
Tried a soft reset (tried hard reset too the best I could being I cant see the screen) and the phone seems to reset based on the vibration and indicator light patters but the screen remains off. It's as if a physical connection between the screen and the brains of the phone has been severed. Literaraly the weirdest thing that has happened to me in a decade of Android phone ownership.
Googled all the black screen issues with these phones and most of them are resolved with just a soft reset... some said that the phone is in it's lowest dimmed state and go to a dark room and i'll see it faintly and then can increase brightness... no luck...
Has anyone experienced this?
Click to expand...
Click to collapse
This has just happened to my note 8 too. I was about to update it and had started it. set my phone down and picked it up and phone screen is black but can hear the haptic feedback.

I can only see the lock screen and the notifications. Everytime I try to unlock my phone I only get to see a glimpse of the notescreen and then the screen turns black. Even when I try to go to camera through the lock screen the screen goes black too. When I charge my phone it heats up so I haven't really charged it as well. Has this also happened to anyone? It seems as if the phone's sensitivity still works in all places but when I unlock it the screen just goes black.

I also have problem of freezings and always rebooting. Tried soft and hard resets/factory reset. Still same problem. This phone has hardware issue. Do not buy.

I realize this thread is quite old but I have this exact same issue now. I have managed to discover some other information by playing around with various settings which are noted below. To begin with, I was able to used the AOD hack posted above for a while but it no longer works. The only way I can get my screen to come back is with a soft reset - but as soon as the screen times out or i turn it off, it goes black, with or without AOD enable. All the on screen buttons still work as well as the haptic feedback - I just can't see anything.
Now on to what I have found:
One thing I have found is if I turn off adaptive screen brightness and crank the brightness slider to the right, when it goes black I can faintly see some of the buttons - enough that I can turn the phone off or restart it from the power menu (If I switch the default setting to night that also helps to see the buttons a bit better). Also, if I enable night mode I can also see the brightness slider faintly but when I slide it left, it just makes the screen completely black and when I slide it right, it only returns it to the very faint brightness level.
So at this point I am stuck. To summarize the issue:
1. When the screen either times out or turns off, it is still "alive" but goes black. It will not return to normal brightness.
2. Turning off adaptive brightness and cranking brightness slider to right allows you to see faint buttons after screen times out but won't return to normal brightness.
3. Enabling night mode helps to see the faint buttons, in particular the brightness slider a bit better. However the screen still cannot return to normal brightness.
4. The only way to get the screen back to full brightness (albeit temporarily until the next timeout) is to turn off the phone or reset from the power menu; or soft reset holding volume down + power simultaneously.
Hopefully someone else has figured out a way to recover this. I am on Android 9 with Samsung UI 1.0
Phone is completely stock, never rooted and completely out of warranty.

Bug in Android 11 AOD and flashlight.

Hey there guys,
There is a bug with android 11 on my Xperia 1 II. I have tried to reset my phone and wipe everything. That fixed the problem for a moment, and then it came back. AOD doesn't work, and when that occurs the flashlight doesnt stay on when I lock the screen, and beside that, when all this happens the volume adjusting makes the phone vibrate which is weird.
Am I the only one with this?

AOD freezes for me and I have to open and close my window case for the time to update

tonev said:
AOD freezes for me and I have to open and close my window case for the time to update
Click to expand...
Click to collapse
I changed the AOD to smart mode, and it seems to be working okay now.

JasonX199 said:
I changed the AOD to smart mode, and it seems to be working okay now.
Click to expand...
Click to collapse
But now it only shows the screen when you pick up the phone. I want it to be on all the time. I am used to just look at the phone when it is charging or near the bed so I can see the time without doing anything. Now I have to open and close the smart view case in order to show the lockscreen and update the time.

Black Screen

Hello all, so recently I dropped my phone from a decent height, but it worked fine that night, and even the morning after, didn't even crack.
It started acting weird and going black when I would swipe down my notification menu, and I'd have to restart the phone each time, but if I got rid of those notifications it would work alright for a couple of minutes and go black. After restarting it a few times the Samsung logo didn't even show up anymore and the display hasn't come on since then, even in recovery mode. I can hear it booted up, and have even plugged it into a DeX dock to use it, and that works fine, even the touchscreen, just no display. I've flashed the latest software onto it using Odin, and still nothing.
So, my question here is: Could this possibly be a software issue? Or does it seem more like the display was damaged in some way or another, (or even possibly came disconnected from the motherboard?)
I appreciate you reading my post, and wish you all the best,
Briggs