[Q] Proximity Sensor Fail - LG Optimus Black

Hellooo:
First of all sorry for my english.
I have a problem with my new Optimus Black. When I make a call sometimes the screen gets black and sometimes it gets black when I put it in my ear (in this case the functionallity is normal). In the first situation I can't get screen on again. I think that is a proximity sensor problem but maybe a software problem. Maybe it needs a recalibration. I search for calibration tools but not luck. What can I do?
Thanks in advance.

Related

My screen goes blank while making a call

I just bought a Galaxy S from ebay and am facing this problem. Everything works fine on the phone and it doesnt look like there is any water damage. When I try to make a call the screen goes completely blank. I cannot disconnect the phone or do anything since the screen is blank. The only thing that I can do is remove the battery and install it again. Based on my research it seems like its a proximity sensor. I even went ahead downloaded Z-deviceTest and all hardware seems fine. I also upgraded to the official 2.3.3 from Samsung so I dont have a custom ROM, no root nothing! What can it be? Should I ask the seller for a refund or there are any tweaks for it. Any help is appreciated.
mitrals said:
I just bought a Galaxy S from ebay and am facing this problem. Everything works fine on the phone and it doesnt look like there is any water damage. When I try to make a call the screen goes completely blank. I cannot disconnect the phone or do anything since the screen is blank. The only thing that I can do is remove the battery and install it again. Based on my research it seems like its a proximity sensor. I even went ahead downloaded Z-deviceTest and all hardware seems fine. I also upgraded to the official 2.3.3 from Samsung so I dont have a custom ROM, no root nothing! What can it be? Should I ask the seller for a refund or there are any tweaks for it. Any help is appreciated.
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I'm not an expert, but seems related to a faulty proximity sensor indeed...
Sent from my GT-I9000 using XDA App
I am pretty positive that it is the proximity sensor as when I insert the headset calls can be made without the screen going blank. I dont have a screen protector and I tried to put some compressed air to see if that changes anything.
When making a call and the screen goes blank can you cover the proximity sensor for a while and see if its turning on the display? I kinda have the same issue sometimes and covering the sensor would normally do the job.
Sent from my SGS using XDA Premium
Same problem here, seems that plugging headset does the job. It is kind of lose or lose situation, even turning off (any idea how?) proximity sensor would not help as screen would be touched by ear Any other solution anyone? Or some kind of calibration? Check? Most applications from marked I have checked are crashing or showing 5cm from sensor regardless.

how to disable Htc sensation xl proximity sensor?

I have replaced the lcd/digitizer on my htc sensation xl and my proximity sensor has stopped working. Every time i make calls it goes to a black screen and sometimes the battery needs to be removed just to get it to turn back on. i was wondering if there was a way to disable the sensor through the software? or completely replace it?
anyone??
johnwehbe said:
I have replaced the lcd/digitizer on my htc sensation xl and my proximity sensor has stopped working. Every time i make calls it goes to a black screen and sometimes the battery needs to be removed just to get it to turn back on. i was wondering if there was a way to disable the sensor through the software? or completely replace it?
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i don't have any idea about the proximity sensor ,but the same thing happened to me ,when i make a call my screen shuttdown and it comes black ,i tried diffrent roms but nothing changed so i decieded to sale the phone .
i posed a post about that and dont receive any proposition or help ,with you ,we are tree presons suffuring from this bug .
i didn't sale the phone yet but before that i will taste one last possibility who is to flash my phone with Ruu ,until that time i wish you a good luck and if i found something which fix it i will post it here .
i once had the issue with screen protector on, but once i took it off, it worked fine.
definitely gotta be the screen's problem, it has nothing to do with softwares.
maybe you can try this app to disable the prox sensor http://www.androidzoom.com/android_applications/tools/proximity-screen-off_pjwz_download.html
if the app works for u, rmb not to touch the screen when u are making a call.
woshikevin said:
i once had the issue with screen protector on, but once i took it off, it worked fine.
definitely gotta be the screen's problem, it has nothing to do with softwares.
maybe you can try this app to disable the prox sensor http://www.androidzoom.com/android_applications/tools/proximity-screen-off_pjwz_download.html
if the app works for u, rmb not to touch the screen when u are making a call.
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ok ,i will try this app and i will see if the phone respond positively .
I have a HTC Sensation XL and have also found the same issue when replacing the screen, both the speaker and Proximity sensor stopped working. After looking around for a while i found the comments on this site from a guy that obviously has come across the issue often:
psytechrepairs.tumblr.com/page/6
It sounds like a common occurrence that they fail with a screen replacement. I've also found that the light sensor and proximity sensor seem to both be on the same removable replaceable board (some sell it as a light sensor & others sell as a proximity sensor but they are both together):
www parts4repair.com/htc-sensation-xl-sensor-light/
Hope this helps.
I know this is an old thread however I have found a solution which i would like to share.
When replacing the lcd the way to fix the proximity sensor is to cover BOTH parts of the proximity sensor with Scotch tape and color the Scotch tape with a black Sharpie felt-tip pen.
works 100%
Hi,
sorry for posting here after so much time, but I have a problem. I smashed my display and ordered myselve a new one. Once I have changed it, the phone looked like everything is working just fine. Than I noticed that my Google Play Store is crashing, and a few apps were on my phone that I have deleted months ago.
My phone is ROOTED!!!
I decided to flash it again, the problem with crashing Play Store was solved.
After I realized my phone is acting crazy,first when I call someone the display goes black, and I cannot hang up or something. It looks like the proximity sensor failure. And even worse, sometimes the phone acts just like someone was using it, it writes opens apps, just like when someone is using the phone.
Any ideas???

Proximity sensor - help pls

Hi all. I own a i9000 running aokp milestone 6 but decided to buy a faulty i9000 on ebay just for a bit of fun really.
The problem is when making a call the screen stays black or freezes and won't respond. The call stays connected so no way to hang up.
I installed "Proximity sensor finder" on my own i9000 which worked great. (0cm when sensor is on, 5cm when off). Tried this on the damaged phone and it stays at 5cm but still shows "proximity sensor: available". I have replaced the proximity sensor with a new one but didn't do anything. Also tried it on stock rom and AOKP milestone6.
Any ideas folks? Would really like to get this working.

How to Disable proximity sensor.?

Hi Guyz,
My friend dropped his nexus one on the floor and from then on he is facing a weird problem. When he receives a call, when the sensor is turned on, the screen never comes back and it remains black. The only option is to pull out the battery and i suppose the drop has made proximity sensor faulty. He is not a rooted user. Is there any menthod to disable proximity sensor without rooting ? If not how can i fix it after rooting ? Any build.prop changes ?
Thanks,
karthik
RE: how to disable proximity sensor
karthikus said:
Hi Guyz,
My friend dropped his nexus one on the floor and from then on he is facing a weird problem. When he receives a call, when the sensor is turned on, the screen never comes back and it remains black. The only option is to pull out the battery and i suppose the drop has made proximity sensor faulty. He is not a rooted user. Is there any menthod to disable proximity sensor without rooting ? If not how can i fix it after rooting ? Any build.prop changes ?
Thanks,
karthik
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hey Karthikus , I know this is not a new post, I would like to know if you solved your friends's problem, I have exactly the same, I used a couple of apps to disable the proximity sensor but still no luck, by the way I have the cyanogen mod 7 in my nexus now. the phone is a beauty, but its kinda annoying to have to remove the battery after a few calls, also I'm using a bluetooth headset, wich kinda minimizes the problem, but still not happy. please let me know , or not, I'm planning to build a disable sensors app myself in case I can't fixit. oh, and I tried all the other solutions I could find in google, like cleaning the sensors, (I dismantled the phone already) and enabling other ways to bring the screen up using other methods like trackball press or menu press. no way, still there. so please let me know. if still relevant.
thank you.

Proximity sensors not working interferes with active calls. Fix?

After screen replacment the proximity sensors don't work for some reason. So now when I get a call I can't do anything, It's just a black screen. I can't use the phone or even put it on loudspeaker. I'm looking for some kind of software solution but can't find any. I tried going though some settings on the phone but I had no luck.. The only thing I can do is end calls with the power button :/ Could anyone help? :fingers-crossed:
There's a very small piece that goes on top of glass screen in between LCD where the proximity sensors are, if not installed your issue may rely on that.
Sent from my XT1096 using Tapatalk
Do you have more information on the piece that's needed? I have the black gasket on, and am still having the same issue. What components are needed for the 2014 Moto's proximity sensor?
rumen_do said:
After screen replacment the proximity sensors don't work for some reason. So now when I get a call I can't do anything, It's just a black screen. I can't use the phone or even put it on loudspeaker. I'm looking for some kind of software solution but can't find any. I tried going though some settings on the phone but I had no luck.. The only thing I can do is end calls with the power button :/ Could anyone help? :fingers-crossed:
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use this app to identify name of proximity sensor https://play.google.com/store/apps/details?id=imoblife.androidsensorbox&hl=en_GB and then try a sensor disabler like this https://play.google.com/store/apps/details?id=com.itsme4ucz.screenoff hope it helps

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