Xperia Z1 C6902 Touch Problem - Xperia Z1 Q&A, Help & Troubleshooting

Sometimes When I Use My Phone,The Touch Functionality Is Disabled And My Phone's Touch does not work until i restart it twice,Im On RockZ1 Rom Unlocked Bootloader,and Btw i change my screen Couple Weeks Ago,So whats the issue Hers?
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Check those display flex cable connectors.

you could try going to stock rom again too see if it because your screen or the rom

I got back to stock rom but the problem was not fixed,i will get it back to repair
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Related

[Q] Screen goes black when watching movies

Since .245 my screen goes black when watching movies. Screen doesn't time out but just goes black. As soon as I touch the screen the video comes back.
Already reinstalled ROM but problem stays.
Tried different video players but no difference.
Tried screen forced on apps but doesn't work since screen doesn't time out but just goes black.
Any ideas?
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Redeque said:
Since .245 my screen goes black when watching movies. Screen doesn't time out but just goes black. As soon as I touch the screen the video comes back.
Already reinstalled ROM but problem stays.
Tried different video players but no difference.
Tried screen forced on apps but doesn't work since screen doesn't time out but just goes black.
Any ideas?
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Same issue. But in my case.. the Front Camera is also affected.
Just checked and same here with the front camera. Annoying!
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Redeque said:
Just checked and same here with the front camera. Annoying!
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Did you use the pre-rooted kernel from Alivanov?
AFAIK, there was a fix released for the same
sarkar1990 said:
Did you use the pre-rooted kernel from Alivanov?
AFAIK, there was a fix released for the same
Click to expand...
Click to collapse
I did !
Not me. Just stock kernel and tried multiple roms including stock (deodexed)
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Make hw overlays off. Me I had the same problem and by me is gpu on. It's work but must make after every reboot
Gesendet von meinem Xperia SP

Call problem

When i call someone the screen become black . I know it not a problem . But when call ended the screen still black and wont turn on . I already push the power but nothing happen .. This always happen when i call someone. What should i do ??
Sorry for my bad english
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What rom are you using?
Sent from my C5303 using Tapatalk 2
I'm on stock rom 2.254
Facing the same problem too. I'd have to press the power button twice to get the screen to turn on again after the call.
Got my face off the proximity sensor and yet my screen remain blank.
Symptom is quite similar with the screen on button issue where one has to press the power button 3 times to get the screen to show up from sleep.
I guess we just have to wait/hope for sony to resolve em..
I use existens roms . but when i use another rom i have same problem .
Yeah duckchrno i have same problem with u . Ok thx for your suggestion
I hope sony to resolve soon too
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Try flash kernel only 2.254 using flashtools...probably i never got that issue on 2.254
Sent from my C5303 using Tapatalk 2
Thx for ur suggestion bro . I will try
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I am on stock 2.254 and this never happened to me untill yesterday once. Today it happened again after one call. It does not happen on all the calls. It's totally random , just like the wake-up bug or whatever it's called. I tried to reproduce it but I was not able.
Yeah, we're same bro . This happened random ( i think ) coz . Yesterday i call someone and this not happen ..
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Lag on Xperia SP C5303

My Xperia SP is having lags while navigating, web browsing and is significantly slower than 4.1.2, having only 7000 points on quadrant compared to 7900 on 4.1.2. When i lock the screen when it is lagging, the screen does not come back on. Help?
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creepycow said:
My Xperia SP is having lags while navigating, web browsing and is significantly slower than 4.1.2, having only 7000 points on quadrant compared to 7900 on 4.1.2. When i lock the screen when it is lagging, the screen does not come back on. Help?
Sent from my C5303 using XDA Premium 4 mobile app
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Download & flash Central Europe region ftf via Flashtool.
Factory Reset first before reflashing. If this does not help a reflash with either flashtool or SUS will help.
This is a bug in sonys rom itself, it happens to me alot, I have to force reset the device in order for it to boot again normally, try not to multi task as much as it happens then
fresh flashing via flashtool may help you man...
I have tried repairing, flashing ftf, resting, hard resetting. All didnt work. But after i repaired which was ny last option, things started to improve. Now the only problem i have is the touch screen issue while charging :'(. I have replace the phone once due to a dead pixel and do not wish to do so again. Thanks for all your help about the lag but can you guys help me again? Thanks
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Hi xda'ses

Now that I have Xz and xz 1
I updated my Xz yesterday to 4,4,2 and discovered that, the Chrome in my Xz1 don't have a home butten beside the searchbar
But in my Xz have it after update to 4,4,2 despite it's the same version ( chrome)
And my question is, is it a bug xz1 or can it be changed in some way with out root
Thanks
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sfkaudi said:
Now that I have Xz and xz 1
I updated my Xz yesterday to 4,4,2 and discovered that, the Chrome in my Xz1 don't have a home butten beside the searchbar
But in my Xz have it after update to 4,4,2 despite it's the same version ( chrome)
And my question is, is it a bug xz1 or can it be changed in some way with out root
Thanks
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Click to collapse
Here is some pictures, illustrate what I meant
And what you can see, the only difference is on Xz it's chrome-1.apk
And Xz1 it's chrome-2.apk
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I don't know but on my Z1 I missing the home button too. It will be nice to have it, vary useful. Maybe a solution come soon from somebody who know how to do it.

Xperia sp auto reboots

Hello xda world
I have the following problem.every time after about one day using Xperia Sp the phone suddenly freezes and XPERIA logo is shown on the screen.Then the logo starts to fade out and then the phone reboots:/ I believe this is due to low ram issues but I am not sure (btw I have already tried greenify)
I am rooted with locked Bootloader on Existenz 4 rom
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Arrow04 said:
Hello xda world
I have the following problem.every time after about one day using Xperia Sp the phone suddenly freezes and XPERIA logo is shown on the screen.Then the logo starts to fade out and then the phone reboots:/ I believe this is due to low ram issues but I am not sure (btw I have already tried greenify)
I am rooted with locked Bootloader on Existenz 4 rom
Sent from my C5303 using XDA Premium 4 mobile app
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Tried a factory reset?

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