[Q] [Nexus S] Ear speaker mutes constantly when proximity sensor blackens screen - Nexus S Q&A, Help & Troubleshooting

Some kind of weird problem here; everytime i make a call and want to hold my phone to my ear the following happens:
- My screen turns to black (normal behaviour)
- Simultaneously my ear speaker mutes for as long the screen is black
- My screen almost instantly turns on again, turning on my ear speaker too
- This continues to happen as long as i hold my phone to my ear, so my ear speaker goes on-off-on-off-on-off, i cannot make a conversation like this.
The strange thing is, when i remove the phone from my ear, preventing the proximity sensor to see my face and to black the screen, nothing happens and the ear speaker keeps on (so is the screen).
Any idea how this could be caused? When i opened my phone recently, i noticed that there is a ribbon cable damaged (the ear speaker one, i thought it was the (-) side, the (+) is still connected).
Could this be the reason of my ear speaker simultaneously muting when the screen is turning to black? I don't see the relation to those two things happening.
Thanks!

have the same problem with mine, anyone has any ideas?

Same here
I am having this same issue.
It started all of a sudden around June 28th. I submitted a bug report to google approximately two weeks ago and haven't heard anything back. Hopefully, the Jelly Bean update will fix this issue if it isn't corrected sooner.
For now, I just hold the phone horizontally with the screen facing upwards to prevent the screen from turning off and killing the audio.

Official Bug Report
Since I am still experiencing this issue I have posted the issue on Google's Android support. If you are also experiencing this problem please go here <code(dot)google(dot)com/p/android/issues/detail?id=36595>, leave a comment, and follow along as we hope to get this solved.

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Problem with proximity sensor on Moto G

The problem is like this:
SOMETIMES when I call someone, the screen turns off without approaching the phone to my ear. The screen is not turning off by pressing the power button or the volume buttons (I enabled using GravityBox to turn on the screen using the volume keys).
After I end up the call, after a couple of seconds, the phone comes back to normal.
Once again, this behavior appears just SOMETIMES! Usually I don't have this problem!
Any ideas to how so solve this problem?
peslap said:
The problem is like this:
SOMETIMES when I call someone, the screen turns off without approaching the phone to my ear. The screen is not turning off by pressing the power button or the volume buttons (I enabled using GravityBox to turn on the screen using the volume keys).
After I end up the call, after a couple of seconds, the phone comes back to normal.
Once again, this behavior appears just SOMETIMES! Usually I don't have this problem!
Any ideas to how so solve this problem?
Click to expand...
Click to collapse
I wouldn't worry too much about it, its just a glitch, it happens to me sometimes too , when i put it on speaker and i get close to the phone , the screen turns off and it comes back after a while. it doesn't bother me too much. It might be that the sensor is too sensitive. Have you tried a custom rom ?
This issue happens to my son's phone too.
Anyway, it shouldn't be random, please double check if it happens ALWAYS after a phone reboot, this is the behaviour of mine
I want the moderator to ban me.
display issue
Hello,
I have started to face the same issue mentioned above.
On googling I came across the motorola forum (google search: Moto G Proximity Sensor Software Issue)
It seems the issue is being discussed there and apparently they need more moto g users with this issue to help them out solve this.
On using z device i noticed the proximity sensor value stuck at 3 with no change covered/not covered (sensor) [Phone running without restart for 6+ hours]
After restarting the phone the sensor value in z device changes. 100 (uncovered) to 3 when covered.
I will keep checking this every few hours to see when does the proximity sensor stop working without restarting the phone. (uptime)
Can the DEV's here help us out? looks like Motorola may take some time in finding a solution to this issue.
This seems to have went away with 4.4.3 and the new Dialer app.

phone call problems

Been running lollipop on my nexus 5 for a few days now. I have notice a few bugs when in a phone call. When i put the phone up too my ear, the screen doesnt always go black, sometimes it just dims, and when the big red end call button touches my cheek, the call disconnects. The second problem when the screen only dimes, my ear pulls down the notification tab and activates what ever notification are showing. I never had these problems with kitkat. Anyone else noticing these problems.
Yes...
I have same problem...
Sometimes in a call, the screen lights up even with my nexus flip case closed....
eric1212 said:
Been running lollipop on my nexus 5 for a few days now. I have notice a few bugs when in a phone call. When i put the phone up too my ear, the screen doesnt always go black, sometimes it just dims, and when the big red end call button touches my cheek, the call disconnects. The second problem when the screen only dimes, my ear pulls down the notification tab and activates what ever notification are showing. I never had these problems with kitkat. Anyone else noticing these problems.
Click to expand...
Click to collapse
Am I the only one to want a gif of your ear pulling down the notification tab?

Speaker intermittently stops working

So I'm not sure what to make of this but sometimes the speaker on the bottom of the phone won't work. For phone calls or music or anything. Earlier I was trying to figure out why and I gently pressed on the middle back of the phone and the sound came right on! What does this mean? What is it going to take to fix my phone.
Wdustin1 said:
So I'm not sure what to make of this but sometimes the speaker on the bottom of the phone won't work. For phone calls or music or anything. Earlier I was trying to figure out why and I gently pressed on the middle back of the phone and the sound came right on! What does this mean? What is it going to take to fix my phone.
Click to expand...
Click to collapse
The exact same thing happens to me. I can get sound from earbuds, but when I unplug the earbuds, the speaker doesn't turn on like it should. But tapping the phone hard, such as on the back, will make the speaker turn on. Sometimes the speaker turns off by itself, I can tap it hard again to turn it on again. Just started happening in the past week or so.
See this other thread for solutions:
http://forum.xda-developers.com/newreply.php?do=postreply&t=2945842

Question Phone keeps muting during calls

I'm assuming I'm holding the phone wrong and the proximity sensor is allowing touches. When the other party couldn't hear me I saw that I was no longer even on the phone screen anymore, and couldn't figure out how to get back before they hung up. For anyone not having this problem or figured out how to fix it: Do you hold your phone a certain way, is it touching your face, away from your face. How far away?
Happend to me recently. Try to put the phone to ear by speaker first (where sensor is).

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