Screen won't ever turn off... why? - Galaxy S II Q&A, Help & Troubleshooting

I just did a full factory reset of my stock rom and finished restoring my apps but for some reason the screen won't turn off when I leave the device alone.
Screen timeout is set to 30 seconds but no matter what I set it to, the device never ever sleeps. Also if I press the lock button sometimes the device will wake itself and and the screen will come back on permanently... I've looked in the process manager and nothing is running in the foreground.
Here is a logcat. Can anyone make sense of it?
I have no idea why this is happening after a fresh wipe on a stock rom.

Just try this.
Go to settting --> Display --> Touch key light duration --> Change "Always on" to either 1.5 seconds or 6 seconds (as per your choice)
If it works just HIT thanks button.

The touch key light duration has nothing to do with why my screen won't turn off...
Thanks anyway..

Do you have any alarms set?
EDIT: in developer options do you have stay awake set on? Also if your not plugged into USB maybe you should try and clean the USB port.
Sent from my GT-I9100 using Tapatalk 2

Hey thanks for the reply. No I have no alarms on, the USB port is very clean and I don't have that option in my 'Developer Options'. :/ I really would like to know what is going on...

Same problem
Hi leijonasisu,
My samsung has just developed the same problem whereby the screen won't turn off ever. It happened since the battery went completely flat two days ago. I'd love to know whether you found a solution to the problem, because it is draining the battery at an insane rate!
thanks.

NadiaHJ said:
Hi leijonasisu,
My samsung has just developed the same problem whereby the screen won't turn off ever. It happened since the battery went completely flat two days ago. I'd love to know whether you found a solution to the problem, because it is draining the battery at an insane rate!
Click to expand...
Click to collapse
Which firware are u on?
"To err is human, to forgive is divine"
Sent from my SGS II

Hey! Little bit of help please !
Hello everyone, im new to this place but as far as I could read my cellphone having the exact same symptoms as the threadstarted stated.
I do have the "Developer options" tab and also I would like to add another symptom.. After the phone is fully charged, the green icon at the top-left corner of the screen wont dissapear after I disconnect the usb cable.
- I do not have the "stay awake" settled on.
- I do have multiple alarms but just at some exact point each morning.
- The only way I can shut the screen down is by pressing the lock button.
- I'm running 4.1.2 as the android version.
- My model is the GT-I9100
Is there any other thing you guys would need to know ? thanks in advance for the possible help provided.

Flash a stock firmware via odin.
Then all will back to default.the same look when you bought it.
Or flash a custom rom with device option in settings.you can controll the screen behavior there.
Sent from my GT-I9100 using xda premium
---------- Post added at 09:00 AM ---------- Previous post was at 08:50 AM ----------
Yisin said:
Hello everyone, im new to this place but as far as I could read my cellphone having the exact same symptoms as the threadstarted stated.
I do have the "Developer options" tab and also I would like to add another symptom.. After the phone is fully charged, the green icon at the top-left corner of the screen wont dissapear after I disconnect the usb cable.
- I do not have the "stay awake" settled on.
- I do have multiple alarms but just at some exact point each morning.
- The only way I can shut the screen down is by pressing the lock button.
- I'm running 4.1.2 as the android version.
- My model is the GT-I9100
Is there any other thing you guys would need to know ? thanks in advance for the possible help provided.
Click to expand...
Click to collapse
Root your phone and flash a custom roms.
You'll find one at the dev section.
Dont like the custom rom and stay on stock?
Do a factory reset.
Settings - Storage - Erase all data
This will erase your user data and downloaded apps.So do it at your own risk.
Goodluck
Sent from my GT-I9100 using xda premium

Does anyone have a solution
Hi, I have exactly the same issues. Did anyone find a solution?
Cheers
A

same here
I have the same problem here.
I try everything, screen light take more than 60% of battery energy

daogre said:
I have the same problem here.
I try everything, screen light take more than 60% of battery energy
Click to expand...
Click to collapse
I just had the problem on my Mega, where the Power Button would bring up the Power Menu on a long tap, but would not turn the screen off when I just pressed it quick, like it used to. Nor would the screen shut off with the Screen Timeout set either.
When it started this problem, I also noticed that the solid white screen that would appear during part of the bootup no longer appeared.
This got me to thinking. I'm Rooted on the Factory v4.2.2 ROM, so I installed "XBlast" and went into it and checked the box for Disabling the Boot Animation (SU should prompt you).
Anyway, I rebooted and the problem was gone! I can turn the screen on and off with my Power Button again!
This all started with yesterday's Google+ update making my system go haywire! I had to restore from a previous NanDroid backup, but this one issue remained. The Bootup Animation must have got messed up somehow and affected it and disabling it stopped it from interfering or something.
This helped me and I can deal with having a way cool boot animation later if I want. But at least my phone's screen turns off now and maybe it'll help you too.

Solution!!!
This problem is usually caused by the usb charging port, which is why a factory reset doesn't fix it. It's a hardware problem not a software problem.
1.
First thing to try is cleaning the usb port with a small dental bursh (or whatever you can find) and some surgical spirit which you can find in a pharmacy,
Take the battery out and unplug the phone when you do this.
2.
If that doesn't work then you can try the method that worked for me. Full disclosure: I invented this through trial and error, I don't know why this works and I can't guarantee you won't damage the usb port. But if nothing else works, then I say go for it.
For this method leave the battery inside, have the phone on.
Okay, so the port is a hole with a prong in the middle, right. Get a sewing needle and insert it into the space between the prong and the hole, specifically the place where the prong is closest to the hole wall - all right? The prong should be much closer to one of the walls than the other walls, put it down there, it won't fit unless you force it a little bit.
Put it in as far as it will go, then leave it for a little while. Turn the screen on and wait, see if the screen turns off. For me it usually works after five minutes of having the needle inside. I HAVE NO IDEA WHY

Related

[Q] SGS2 screen stays on after notification while charging

Hi guys!
I noticed over quite a time, that while I leave my phone charging over the night, any random notofication will cause the screen to stay on until I wake up and manually turn it off.
On my galaxy s2 I have VillainRom 2.1.0 (Android 2.3.4) with ninpho's 2.0.4 kernel.
However I did notice the problem before with VR 1.4 and CF-Root kernel (didn't use anything else yet), so I figure it might not be related to this.
This is rather annoying, as I don't want any burn in effects on my screen, but there's a much worse part about it:
It's noch 100% limited to the time of being charged. If I remove the charger at 100%, play around a little with the phone and then go to sleep, some random notification (whatsapp/sms etc.) will still cause the phone to wake up and not go back to sleep mode.
What happens is, I wake up with a phone at 50% battery (at it's best!), or I don't even wake up because my phone is dead and therefore my alarm clock stays quiet..
I read about some people having this problem with their SGS1 and it might help to go to Settings -> Applications -> Development -> uncheck Stay awake.
SGS2 does not have this "stay awake" option (or I'm seriously stupid)..
Anyone an idea what I might want to try?
Best greetings, Alex
At that screen I have "Standby" and you need to have it unchecked. Also, what's your screen-off delay? You don't have any apps like screebl keeping you screen on, I assume?
prodygee said:
At that screen I have "Standby" and you need to have it unchecked. Also, what's your screen-off delay? You don't have any apps like screebl keeping you screen on, I assume?
Click to expand...
Click to collapse
I do not have this option. my screens stays on all the time.
You're problem sounds similar to mine.
http://forum.xda-developers.com/showthread.php?t=1224117
I have tested with a stock rom of which I made no input and had the same issue.
Hope we can solve our problems. Cheers
cjackway said:
You're problem sounds similar to mine.
http://forum.xda-developers.com/showthread.php?t=1224117
I have tested with a stock rom of which I made no input and had the same issue.
Hope we can solve our problems. Cheers
Click to expand...
Click to collapse
mine just started doing it. i have been running custom rom for awhile now.
apps recently installed:
words free
launcher pro 806
extended controls
impossible level game
I have uninstalled:
words free
impossible level game
my issue is still happening.
when unplugged screen turns off.
I can get a text, it will light up then turn back off.
when plugged in (charging)
display will not turn off unless i press the lock button.
if i get a text the screen turns back on and stays on unless i press the lock button again.
I have recently re-flashed, complete wipe of phone and factory reset wipe.
I still have the screen on when charging and no option to disable.
I need an option to disable the "stay awake"
As my fault occurs with the phone completely reset on a stock rom it must be hardware so I am going to return it and see what happens from there.
I have flashed CM7 and there is an option to turn stay awake off.
This option is removed in DarkyRom.
Finally figured out how to turn it on or off!!!!
install the app extended controls and add stake awake as a toggle.
Turn it off!!!
then remove app
FINALLY!

[Q] Low battery - touch screen not respond

Hello guys, I just noticed strange bug/behaviour. If my battery is around 10%, touch screen is not respondig as it should (also touch buttons). I have to tap like 10 times on some tile to open it and then tap another 10 times on back button or home button to jump of from app. As soon as I connected the charger, phone is behave normal, like new
Does somebody else notice the same behaviour or its just me?
P.S. Tried to reboot phone twice. Battery saver was off.
p1ceus said:
Hello guys, I just noticed strange bug/behaviour. If my battery is around 10%, touch screen is not respondig as it should (also touch buttons). I have to tap like 10 times on some tile to open it and then tap another 10 times on back button or home button to jump of from app. As soon as I connected the charger, phone is behave normal, like new
Does somebody else notice the same behaviour or its just me?
P.S. Tried to reboot phone twice. Battery saver was off.
Click to expand...
Click to collapse
Can you check under settings -> applications -> Background tasks?
It more looks like plenty of apps are trying to sync up or use the resources. I might be wrong, but this did happen to me even at about 55% battery. But not as bad as 10 taps. I just felt the app launching was a lil slower than normal when I had ample background tasks.
Didn't know about "Background tasks", thanks
Currently I have only "HTC Hub" there. I will go and check this setting next time when I occur this problem.
But anyway, shouldn't reboot kill all background apps?
p1ceus said:
Didn't know about "Background tasks", thanks
Currently I have only "HTC Hub" there. I will go and check this setting next time when I occur this problem.
But anyway, shouldn't reboot kill all background apps?
Click to expand...
Click to collapse
Reboot surely will kill all background apps. But these background apps are different to other OS. They are those that will 'start on boot'. So after reboot just in few seconds, they will get to their business as usual.
I love this 'background' task feature! No other OS does it so efficiently as Windows.
The good thing is if you check that place often, you will know what apps are 'going to run'. It doesn't mean they are running all the time. It tends to indicate the capability of them to run.
So as you said you just have HTC Hub, which is same on mine. However, when you to go 'advanced' option on that same page, you will see a list of greyed out apps that are going to run in background and you can't kill them. Reason being these apps need to be told about not running in background by entering them individually.
See if that greyed out list has some huge apps. I downloaded this gMaps thing from market and although I just looked for maps once (a day ago) since then, it's been running. It's because it kept on looking for my GPS co-ordinates. Now that dint freeze my phone (1.5 Ghz, I know!) but it drained battery quicker. Changing attributes within the app, removed it from greyed list and happy days!
In a nutshell, very intelligent task management. You can choose what can run and can't run while your screen is off! + you get benefit of battery saver option if you use that so you can choose who can connect to 3g network and who can't while you are not looking at your screen!
PS: whole point of that long post was : Most likely it's not a background task that's hogging your processor, but it's worth looking under advanced and you might know what app was it.
Hey, that was a long post Thanks for clarifying. I just checked Advanced tab and there are only HTC hub and some Media something (I have it in Czech so don't know the exact name in english)
Anyway I will keep my eye on that menu and in case of any issue I will check it and we will see
OK guys, here is the update. It's still happening :/ Everytime battery drops under 10% phone cannot be almost used. I have to tap everything 10 times to get it done. Checking background task was not helpfull, only HTC Hub is running (even if I kill it its the same).
So...I don't know...maybe its a bug (some power-saving feature thats is not configured properly?). I was used to behaviour when my mobile works even with no battery left like fully charged. No change in behaviour...
p1ceus said:
OK guys, here is the update. It's still happening :/ Everytime battery drops under 10% phone cannot be almost used. I have to tap everything 10 times to get it done. Checking background task was not helpfull, only HTC Hub is running (even if I kill it its the same).
So...I don't know...maybe its a bug (some power-saving feature thats is not configured properly?). I was used to behaviour when my mobile works even with no battery left like fully charged. No change in behaviour...
Click to expand...
Click to collapse
As a last resort - try a hard reset. I've got many issues fixed that way.
However, can I ask how closer to the release did you get this phone? Here in the UK there seems to be two separate batches dispatched. One which was at the release - which is buggy batch. I got my new phone sorted from someone I knew at the store and so far not a single problem from the earlier handset is seen. Battery is drastically better too (it was better on earlier one already, but this is very pleasing!)
Try hard reset, if that doesn't solve it, I would recommend to swap it if you can.
Hello everyone,
I am facing the exact same issue on my HTC Titan - when battery is low (battery saver turns on), touchscreen becomes unresponsive. This is very annoying since it usually happens when i get an incoming call and i cannot answer it.
Did anybody try hard-resetting the phone in order to solve this issue?
Thanks for the answers!
Regards
Hello there... I have the same problems too. I don't try to do hard rest for my titan. It is very annoying for me. Also some time my touchscreen becomes unresponsive even the battery charging is more than 50%...
Yeah, I get this issue too, it makes the phone unusable until you get to a charger. I find that it comes in stages, it sometimes is really bad then works for a few seconds, then stops again.
I have checked all my background tasks and nothing is really running.
I have this issue too. I got this phone only yesterday, and when my battery reached 10%, touchscreen became unresponsible.
Guys I think I've mentioned this in the FAQs thread, but ..
Everyone with this issue - please tick the box under battery saver, where it says 'automatically start.... '
If you phone goes below 25% without battery saver ON, it will lag/freeze - the screen response.
However with battery saver on, you will be able to use it till you go below 5% or even 3% when it gives you the 'critical battery' warning.
This is HTC screwing with us!
mine has the completely opposite problem!! when the phone is charging, the screen becomes very unusable, in ex. i press the phone tile, the screen registers my tap, but it understands that i pressed the tile below or next to the one i really pressed. or i happen to scroll down or up, the phone hesitates for a second and then scrolls but it is very jumpy and jittery, unlike normal use. some times it doesn't even register my taps 2 or maybe 3 times in a row!!
the only workaround i've found is not to use the phone when charging
is this happening because of a faulty charger, maybe the phone is experiencing a short circuiting situation??
(i forgot to mention that i have the phone only for a week!!)
thanks
drupad2drupad said:
Guys I think I've mentioned this in the FAQs thread, but ..
Everyone with this issue - please tick the box under battery saver, where it says 'automatically start.... '
If you phone goes below 25% without battery saver ON, it will lag/freeze - the screen response.
However with battery saver on, you will be able to use it till you go below 5% or even 3% when it gives you the 'critical battery' warning.
This is HTC screwing with us!
Click to expand...
Click to collapse
I have battery saver enabled and even with the heart icon in the info bar at the top, the screen is still unresponsive.
Same here! i thought it was just my device that was dead or something, even since it's only 2 months old!
I did a hard reset and it solved the problem, it must have been something messing it up.
Nope...I have tried Hard Rests...ROM Changes etc...but its still the same problem..
Does anyone here think its a hardware problem ? or something else?
Any geek suggestion would be helpful
Send it back to htc, let them repair it?
Sent from my HTC using Board Express
Hi, I also have a problem with non-responsive screens but only in specific areas and doesn't have to be 10% percent or lower.
Ex: It happens only when the keyboard is up and the buttons on the bottom are very difficult to press!
I'll provide pictures soon
------------
Phone: HTC Titan X310e
Custom rom: Dynamics 2.0b full unlock 7.10.8862 (ultrashot)
p1ceus said:
Hello guys, I just noticed strange bug/behaviour. If my battery is around 10%, touch screen is not respondig as it should (also touch buttons). I have to tap like 10 times on some tile to open it and then tap another 10 times on back button or home button to jump of from app. As soon as I connected the charger, phone is behave normal, like new
Does somebody else notice the same behaviour or its just me?
P.S. Tried to reboot phone twice. Battery saver was off.
Click to expand...
Click to collapse
That happened to me today. Then I did a hard reset and now my phone won't go past the carrier logo (the one after the HTC logo, and before the windows Phone logo)

[Q] HTC Amaze Screen Goes Black After Ending Phone Call

I have Speed Rom 5.1 on my Amaze. When I am finished with a call, the screen stays black. I try to hit the power button, but nothing happens. I have to remove my battery in order to reboot. Can someone shed some light on why this happening? I am thinking that it may have something to do with my CPU Tuner settings, but I am not sure.
mrcash101 said:
I have Speed Rom 5.1 on my Amaze. When I am finished with a call, the screen stays black. I try to hit the power button, but nothing happens. I have to remove my battery in order to reboot. Can someone shed some light on why this happening? I am thinking that it may have something to do with my CPU Tuner settings, but I am not sure.
Click to expand...
Click to collapse
Probably that or a bad flash, just reflash, see if it solves the issue.
Most likely it's something simple, like an issue with your proximity sensor. I know there was an app that could calibrate that but I forgot what the app was.
Stock Rom - Black screen while phoning
There is a similar problem on my wife's phone with a stock rom (not rooted Amaze from T-Mobile). When making or accepting a call, the screen will instantly go off even without leaning the phone against anything and won't turn on unless the power button is pressed. Sometimes the screen would turn on by itself after a while after the other phone was hanged.
I've downloaded AndroSensor app: the proximity value does't change even when touching the area near the earpiece. It keeps showing ( 0.5mA ) 3.5 in.
I've found a thread which is there since april 2012 and describes quite a similar problem.
okay.. i just the original post date for this thread.. please don't bring back threads that are 6 month's old which issues might have been solved already since no ones been posting in it for 6 months...
(anyways) this is what i was gonna say
on my current s3 when my phone is placed to my ear it cuts off the display.. and if you pass your hand anywhere near the sensor's to the top near the camera it cuts off the display.. maybe there's a feature like that enabled on the stock rom also.. or you could possible check with the system settings to see "screen" on/off settings in display or power saving mode.. or something...
Thanks for the answer. I didn't notice that the thread was that old. I think I will keep up a newer one. But the current issue isn't likely to have been solved.
The problem doesn't seem to be triggered by wrong sensor measures (because the screen will go off even after disabling the sensor) nor does it depend on the rom version (same thing on the CM10).
Resolved:
It will sound stupid but I have found a simple solution:
I have just wiped the screen in the upper left corner where the proximity sensor is located and it started behaving normally. Though I don't use any protection tape on the screen it seem to have become less sensitive because of mud or sweat.

[Q] Screen Flickering

I have two problems in my Samsung Galaxy S3
1- When I open the lock there is a transition of black lines on the screen. The moment I open the lock few black lines appear on the screen for a second. It blinks and then it is back to normal. But when I switch off the power saving mode it doesn't. This problem just starred to appear as there was no such problem before.
2- My battery drains on idle. I charge my phone and within 3 hours it seems to go down to 87 % without any use. The cell standby is what is eating the battery. It takes about 70% of power in cell stand by. I have read on many forums about the it but i don't want to flash my phone to solve that problem.
Please help me to solve my problems.
One backup data and factory reset .
Two check for updates via KIES .
Three Wifi settings turn off always on .
Fails then as you don't want to flash the next step is a service centre .
jje
skhan33 said:
I have two problems in my Samsung Galaxy S3
1- When I open the lock there is a transition of black lines on the screen. The moment I open the lock few black lines appear on the screen for a second. It blinks and then it is back to normal. But when I switch off the power saving mode it doesn't. This problem just starred to appear as there was no such problem before.
2- My battery drains on idle. I charge my phone and within 3 hours it seems to go down to 87 % without any use. The cell standby is what is eating the battery. It takes about 70% of power in cell stand by. I have read on many forums about the it but i don't want to flash my phone to solve that problem.
Please help me to solve my problems.
Click to expand...
Click to collapse
Are you sure this is not the ripple bug? Is it a dark wallpaper? If so turn off the ripple.
JJEgan said:
One backup data and factory reset .
Two check for updates via KIES .
Three Wifi settings turn off always on .
Fails then as you don't want to flash the next step is a service centre .
jje
Click to expand...
Click to collapse
I tried them all doesnt work
Kangburra said:
Are you sure this is not the ripple bug? Is it a dark wallpaper? If so turn off the ripple.
Click to expand...
Click to collapse
I don't think it is a ripple bug and I have tried all wallpapers it appears in all of them whether it is a dark one or plain white
skhan33 said:
I don't think it is a ripple bug and I have tried all wallpapers it appears in all of them whether it is a dark one or plain white
Click to expand...
Click to collapse
but have you turned the ripple effect off to be sure?
skhan33 said:
I tried them all doesnt work
Click to expand...
Click to collapse
Fails then as you don't want to flash the next step is a service centre
jje
Kangburra said:
but have you turned the ripple effect off to be sure?
Click to expand...
Click to collapse
Yess I did it still appears
skhan33 said:
I have two problems in my Samsung Galaxy S3
1- When I open the lock there is a transition of black lines on the screen. The moment I open the lock few black lines appear on the screen for a second. It blinks and then it is back to normal. But when I switch off the power saving mode it doesn't. This problem just starred to appear as there was no such problem before.
2- My battery drains on idle. I charge my phone and within 3 hours it seems to go down to 87 % without any use. The cell standby is what is eating the battery. It takes about 70% of power in cell stand by. I have read on many forums about the it but i don't want to flash my phone to solve that problem.
Please help me to solve my problems.
Click to expand...
Click to collapse
Just about to write a new thread about this problem. I have the exactly same screen problem you are having. I notice the problem since 2nd week I bought the phone. Try factory reset, flash new firmware (from original firmware which I forgot the version > latest stock LH1 > leaked LI8 > LIB), re-flash LI8 once and of course with a full wipe every time I flash. But the same thing happens again. This is so annoying since I found the problem. Try a lot (ripple off, force GPU on, change wallpaper, screen mode, screen tone and everything about screen) still no solution yet.Have to visit Samsung Centre I guess
I think maybe others have this problem too just they didn't notice it. Try turn on power save mode (it doesn't matter you tick the options inside or not, I have try them all), locked or turn off your screen then turn it on. Stare still on the screen to see if you have the black line.
ctingwei said:
Just about to write a new thread about this problem. I have the exactly same screen problem you are having. I notice the problem since 2nd week I bought the phone. Try factory reset, flash new firmware (from original firmware which I forgot the version > latest stock LH1 > leaked LI8 > LIB), re-flash LI8 once and of course with a full wipe every time I flash. But the same thing happens again. This is so annoying since I found the problem. Try a lot (ripple off, force GPU on, change wallpaper, screen mode, screen tone and everything about screen) still no solution yet.Have to visit Samsung Centre I guess
I think maybe others have this problem too just they didn't notice it. Try turn on power save mode (it doesn't matter you tick the options inside or not, I have try them all), locked or turn off your screen then turn it on. Stare still on the screen to see if you have the black line.
Click to expand...
Click to collapse
I feel the same that I have to walk in to a samsung service centre. I don't understand how such big phones have these errors and I always have bad luck in terms of mobile phone. I always get a faulty piece or something with some problem or other.
I tried power saving mode and there is no blinking as I have mentioned above but why does it blink on power saving mode ??? My friend too have same phone but he doesn't have an such problem.
skhan33 said:
I feel the same that I have to walk in to a samsung service centre. I don't understand how such big phones have these errors and I always have bad luck in terms of mobile phone. I always get a faulty piece or something with some problem or other.
I tried power saving mode and there is no blinking as I have mentioned above but why does it blink on power saving mode ??? My friend too have same phone but he doesn't have an such problem.
Click to expand...
Click to collapse
Guess like we have no other choice but head to Samsung service centre
ctingwei said:
Guess like we have no other choice but head to Samsung service centre
Click to expand...
Click to collapse
Well finally I've found a thread that describes the same bug I'm having.
I confirm this bug. When power saver mode is ON, there's a flickering when you unlock the screen, black lines appear for a second and then disapper, like a screen refresh or something... but this problem is not there when power saver mode is OFF. Weird.. but I just turned it off. Have you guys found another solution?
GasparIPerez said:
Well finally I've found a thread that describes the same bug I'm having.
I confirm this bug. When power saver mode is ON, there's a flickering when you unlock the screen, black lines appear for a second and then disapper, like a screen refresh or something... but this problem is not there when power saver mode is OFF. Weird.. but I just turned it off. Have you guys found another solution?
Click to expand...
Click to collapse
Turning off the power saving mode is the only solution by now. And I also found the same problem happened when I use camera. It's quite hard to notice because it happens just right after you click the camera icon before the screen changes.
Sent from my GT-I9300 using Tapatalk 2
This could be a fix
Hi guys
Do you have whatsapp installed?
I had the phone for 5 days now and it ran perfectly for about 3 days.
I used the screen sticker that came with the phone for a while because i didn't have
a screen protector(still not). Then i started installing stuff and whatsapp was installed
then i noticed crappy black horizontal line flicker the screen. Today I had a friend over
and the phone when mad, it booted but then stopped responding, now here's the part where
the black flicker gets fixed. I restored the phone to its default settings and the black was gone
installed whatsapp and droidwall and the flicker came again, it's uninstalled now and the phone
works fine.
Turning off power saving mode didn't work for me, this did

[Q] Xperia Ray Won't Turn On or Do Anything Else

Hi, so sorry for the vague thread title, but really, there's no other way to describe it. So here's what happened.
For the past few weeks (or month), my Xperia Ray has had a problem of switching on after it was put into standby mode, i.e. after i pressed the lock button. The screen would light up, however would remain blank. So all I would get is a bright black screen.
I could have lived with this for a few more months (until Xperia Z gets released in my country D: ) however this problem started getting worse. At first, after pressing the home button, the volume rockers and/or the lock button for about 20 times, the screen would turn on (finally). Despite it giving me that bright black screen, i could still operate the screen. I could still try to unlock it because of the haptic feedback on my lockscreen. I could still change music tracks on my music widget on my lockscreen. In short, the screen worked perfectly, only that it kinda wouldn't show. However, for the past week, the only way to turn it back on would be to do a battery pull and switch on the phone again. And it recently developed a problem of giving me that bright black screen again when I switch it on, causing me to do about 5 battery pulls before being able to actually use my phone again.
I did get fed up with this problem, being a heavy user of my phone. Therefore, today I decided to try to do a factory reset of my phone, intending to wipe the dalvik cache + clear all user data, thinking it might help my bright black screen problem. However, I found that I couldn't boot into recovery because all my phone would do was to give me that bright black screen again! So after many battery pulls, I managed to boot up my phone normally and do a factory reset under the backup & restore tab in settings. Of course, the phone tried to reboot itself, but of course, just gave me the bright black screen.
I kinda gave up at this point, and did many battery pulls and boots, however, all I got was either
1. the terrible bright black screen
or less frequently
2. the free xperia project logo then the terrible bright black screen.
I did get very fed up, so I plugged it into a wall socket to charge it. However, since about an hour or two ago, I realised it may be on bootloop. When I plug it into a wall socket, the free xperia project logo shows up and then an even brighter black screen shows up for about 3-5 minutes, then those two repeat endlessly. The notification light doesn't show that it's charging at all.
Okay here's background info on my phone.
- Is rooted
- Bootloader is unlocked
- CM 9.1 is installed
- Was running GO Launcher (if that helps)
- had a custom boot animation
- I think i deleted an apk for the google start up configuration thing...the one that asks if you have any google accounts you want to connect when you switch on your phone for the first time. I'll search up the correct apk name if you need it.
- Is about a year old (got it last early April)
- is a Sony Ericsson Xperia Ray (in case you didn't notice haha)
- battery level was about 20%+ when I did a factory reset (terrible of me I know)
- I have tried to caliberate the battery a few months ago
That's all the background info I can think you need. Please do let me know if you need any other info. If you need the logcat text of what happens when I hit the lock button at the top of my phone and the phone gives me the bright black screen (the early stages of this problem), let me know and I'll dig it up. I think I've bricked it, but I can't boot it into recovery so I can't do anything. And I did all I could google for the bright black screen problem which I won't tire you by specifying here. Please do help me. It seems as if the worst of evils has befallen my phone. Now I'm stuck here with my phone crazily on bootloop beside me. Please please do help.
Flash stock rom
Just try flashing a stock rom with Flashtool. If the problem persists, then it could be a hardware problem. Flashing a stock ftf takes care of all software issues. Get the stock ics FTF file and place it in firmwares folder of flashtool. Start flashtool and select flash mode. Then choose your ftf and press ok. Then wait until it prompts you to connect your phone. Then, just turn off your phone, while holding the power button down attach the USB cable. The LED notification should turn green and wait until it finishes flashing.
flash extended stock kernel and then the stock ftf firmware file...
hit thanks if i helped u
I have the same problem on my Xperia Mini (ST15i) I use Pureness rom and Mesa Kernel... ((
Benlux1 said:
I have the same problem on my Xperia Mini (ST15i) I use Pureness rom and Mesa Kernel... ((
Click to expand...
Click to collapse
Hi, if your phone can still be switched on and hasn't progressed so far in being destroyed, you could try downloading the Disable Auto Brightness app for Xperia phones from the Play Store. I've read somewhere that the screen might not turn on because of the auto brightness. I'm not sure if it actually helps, but perhaps my phone would have died faster without it. I've read of people changing their battery, doing battery calibrations or changing their screen to fix the problem. But before you change the hardware, I suggest that you check the hardware first. If the Disable Auto Brightness doesn't work, do a Nandroid backup and store the backup somewhere safe. Then flash the stock firmware to your phone and try to get it to switch on. Do flash the firmware before your phone runs out of battery because you never know, your phone may decide to refuse to charge your battery anytime. Then try to switch it on. If your phone goes into a bootloop (like mine now) really consider getting a new phone or sending it for repair or try all day to fix it if you use your phone alot. I'm still trying to fix mine.
I flashed the original firmware for my phone, tried to turn it on, was very happy when I saw the original Xperia logo, but then I realised it was on bootloop. When I tried to charge it, it immediately turns on and goes into bootloop again. Logcat doesn't detect my phone, so I can't obtain the logcat of what's happening. I haven't tried to replace the battery of my phone because I couldn't find a supplier. But I'll go on trying to fix my phone until the day that it really breaks down. Good luck with yours and keep us posted.
Sent from my MT25i using xda app-developers app

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