[Q] Proximity sensor not working on Sony experia ZUltra LTE C6802 - Sony Xperia Z Ultra

Hello
I would like some help if possible. My z ultra c6802 4.4.4 (108 I think) has a broken proximity sensor, that is, doesn't turn off during a call when having it on my ear. Tried: a)downgrade to 4.2.2 and recalibreating it (passed with green but no fix),b) repair through PC companion(no luck either). Any ideas from your experience before I give it to Sony(the phone is new and out of the box but passed DOA) for repair, although I am afraid to do so as I requested a unlock code from them (Sony)and this brings me to a rather nasty spot although its obvious I got it like this ,just haven't noticed it in time for DOA. Thanks Alex

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[Q] SE sk17i proximity sensor always on

Hi,
Recently I have replaced my Xperia mini pro's ribbon... May be you all know that this ribbon contains proximity sensor, front camera etc.
After the replacement when I'm making a call screen went black and it dosent turn on when phone is away from the ear.. I have checked on service test menu and proximity sensor is always read as "On"
Does anyone know what should I do???
ashintha said:
Hi,
Recently I have replaced my Xperia mini pro's ribbon... May be you all know that this ribbon contains proximity sensor, front camera etc.
After the replacement when I'm making a call screen went black and it dosent turn on when phone is away from the ear.. I have checked on service test menu and proximity sensor is always read as "On"
Does anyone know what should I do???
Click to expand...
Click to collapse
Bringing this thead up again because I am having the same issue, Proximity sensor set to near all the time... could it be badly placed? I was ever so careful to get it millimetrically perfect..
something must be causing the sensor to read an input all the time. Ever considered there could be some dust below the glass? Try and see what happens when you take the screen assembly away from the sensor. Another cause would be a deffective part (bad ribbon/flex components).
Thank good lord I managed to buy a genuine Sony flex ribbon

[Q][Help]Xperia Neo V screen doesnt work but phone does

So last year i was using xperia neo v(MT11i) before it fell on the ground and turned off. When i tried to open it the phone was responsive (i could hear the sound while turning on) but the screen remained black. While charging it was still working and the led was on but still screen was black. I dissambled the phone and the lcd display was not broken at all.
I saw online that a new one costs only 10€ so i would like to know whether buying a new one would fic the problem or not. The reason is that lately i want to get started with rooting my devices but i dont want to make a firts try on my new gal s3 neo.
Thanks in advancr

Proximity Sensor Issue

Hi All,
Can anbody help me with Proximity sensor issue due to new update 5.1.1 . My Proximity sensor delay is way too long and get stuck on black screen. It was working perfect earlier and now its soo messed up. Please anyone can provide a solution for this would be very helpful
Thanks,
nitinsharma89 said:
Hi All,
Can anbody help me with Proximity sensor issue due to new update 5.1.1 . My Proximity sensor delay is way too long and get stuck on black screen. It was working perfect earlier and now its soo messed up. Please anyone can provide a solution for this would be very helpful
Thanks,
Click to expand...
Click to collapse
I'm guessing that you use a screen protector? If yes, that's the issue (if it covers the sensor). Also, always remember to WIPE (Factory reset) after updating to new bases, like 4.1->4.4->5.0->5.1 (i.e each release with a new name). Lollipop is a special case though since 5.0/5.0.2 is incredibly crappy, so do a factory reset so the system doesn't bring old bugs with it over to 5.1.1.
I had the same proximity sensor issues on my Sony Xperia z ultra too.I was so upset about it checked on xda forums, YouTube on how to sort this problem out all to no avail until recently I stumbled on the answer. Please cut a tiny piece of a black tape and cover the proximity sensor with it you will never experience the dark screen again when on a call.cheers
Sent from my C6833 using xda-developers.com, powered by appyet.com

Xperia z3. Lcd Back light on but screen black.Help !!!

I have Xperia z3. When I turning on phone Lcd light on but screen blank. I can heat sound and so on. Digitizer when pressing is working as I hear nose. But screen still blank. | tried few screens but still same. What it can be????
Please help.....
This is the Z3v forum not the Z3 forum.
I would say a screen failure though.
Verizon has open enrollment right now so you can enroll in a insurance plan and get another phone, if yours is out of warranty.
Your Display is dead - Had the same problem.
Everything worked fine just my screen wouldn't show me anything. Ultimately I replaced the display by myself because I didn't have any warranty and now it's working again.
You could try to send it back to your vendor or order a new screen (70-100€) from ebay and replace it yourself.
Good luck!
Hello,
I guess I have the same problem:
I got a Z3 one year ago.
But spontaneously the screen just stayed black.
I can boot the phone, the backlight is working. I wait a little bit but the screen is still black.
BUT I can touch and select camera and take a photo. I know, because I can hear the sound of camera. I can open the dial pad and dial a number, I can hear the different sounds.
The phone is original, have never been opened, no other software.
I already tried with "Xperia Companion" to install latest updates and repair the phone. Nothing worked.
Click to expand...
Click to collapse
Did a screen replacement solved your problem?
A feedback how the problem was solved would be great because I don't wanna buy an expensive screen if anything else is broken in phone.

Xperia P black screen after display replacement!

I was working on fixing my old Sony Xperia P. After putting a new display and powered on the device, screen came black (no any light or logo). Still i can feel the vibrates. Any insights on how to fix this?
ashyxiv said:
I was working on fixing my old Sony Xperia P. After putting a new display and powered on the device, screen came black (no any light or logo). Still i can feel the vibrates. Any insights on how to fix this?
Click to expand...
Click to collapse
I successfully replaced the display/digitiser combo on my old Xperia P two weeks back. I had the same problem which you have stated on your post. Is your device able to boot successfully? Is it getting shown on the computer? If no then I believe the lcd is faulty. Can you see a blinking faint red light near the IR sensor besides the front camera? If it is blinking then the device is not able to boot fully. It will vibrate and charge fully. I order the replacement on aliexpress.
Did you bay the screen online if yes can send me the link i need it, or if you can find the screen touch will be great

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