Forum Thread

Note 4 - proximity sensor failure (gasket, anyway) - any way to fix without replacing the entire screen ?

Crew 569 434 January 27, 2016 at 08:35 AM
I haven't found a good answer to this, but here's the situation.

My Note 4 is having issues with the proximity sensor, up near the earpiece. Apparently, there are two sensors, and a gasket separating them, and with the earpiece so close, dust can get in and cause the sensor to go crazy. The gasket can also be displaced, which causes the sensor to malfunction.

From what I read, you can take a small piece of electrical tape, poke two holes, and create a new gasket to separate the sensors. Unfortunately, this requires removal of the screen, and that destroys the connection.

My screen is completely intact, and I'd rather not a) destroy it just to install a gasket, and b) send it back to AT&T to have them replace it.

Any other options ? I've tried canned air through the speaker grille to remove any dust, but to no avail.

Thanks.

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Joined Jul 2013
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#2
Do you happen to have a screen protector on the phone? Some phones have problems with the screen protectors (especially glass ones) blocking the proximity sensor and making the phone go crazy, even if it worked before. My phone was working, then one day the sensor was having issues. Took the protector off and no more problems.
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#3
I also have a Note 4. My Note 2 had proxy sensor issues too, but you were able to take compressed air and blow it in the ear piece, headphone jack and any opening at the top and it fixed the problem. I maybe did it twice in the 2 years I owned the phone. Easy fix to try before you do anything more drastic.
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#4
Quote from Novakingwai View Post :
Do you happen to have a screen protector on the phone? Some phones have problems with the screen protectors (especially glass ones) blocking the proximity sensor and making the phone go crazy, even if it worked before. My phone was working, then one day the sensor was having issues. Took the protector off and no more problems.
I do, actually. Didn't even consider that as an issue, but it is one of the tempered glass ones.

Just checked, and it does not cover the sensors (probably for the reason you stated). Hmm.

I have tried compressed air as well, but it doesn't seem to have a great angle to really reach the sensors. Headphone jack is on the other side of the top.
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#5
Quote from Crew View Post :
I do, actually. Didn't even consider that as an issue, but it is one of the tempered glass ones.

Just checked, and it does not cover the sensors (probably for the reason you stated). Hmm.

I have tried compressed air as well, but it doesn't seem to have a great angle to really reach the sensors. Headphone jack is on the other side of the top.
Mine didn't appear to cover the sensor either. And it worked for about 2 months before this problem occurred. Try blowing it with air, then try removing the screen protector before anything else
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#6
Quote from Novakingwai View Post :
Mine didn't appear to cover the sensor either. And it worked for about 2 months before this problem occurred. Try blowing it with air, then try removing the screen protector before anything else
Interesting.

I'll try again with the air, but maybe I'll need to resort to replacing the screen cover.

Thanks!
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#7
Removed the screen protector, and the problem remains. =(

I am having trouble accessing the service menu with the "*#0*#" code. I have to believe the only option at this point is to get it repaired by AT&T.

This sucks.
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#8
Srry /5srrys
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