Issue with Proximity Sensor during calls

its sooooo bad that i use speakerphone to speak to people!!!!!

When I upgraded my 3GS (32GB) to iOS4 last week I had a few 'face dialing' instances (where I'd never had them before). Yesterday, when I got my iPhone 4 (32GB), it worked flawlessly. This afternoon, I started getting 3G problems, random 'face dialing' (once it put me into voice mail, once called someone in the R's in my contact list, once hung up while I was on the line). I am holding this phone no differently that I held the first iPhone, iPhone 3G, and iPhone 3GS. They better be burning the midnight oil on the campus getting this right. It was one thing when they couldn't (and still can't) get Outlook syncs to iPhone and multiple PCs correct, but when the phone functions don't work Apple is risking everything...I'm looking earnestly at other smart phones now, and if this is 'fixed' before the 30 days I'm returning it as defective.

I'm having the same issues. I have had the sensor come back on and keys pressed, facetimes calls initiated and regular calls made and the first one but on hold, all while I had the phone to my ear. To me this is a bigger issue than the reception which seem to go away when I put on a bumper.

Nothing to add that could help, but I too am having the same problems. Just made my first three way call ever...with my head. Not the best way to go about it I must say. However, muting my mom with my head, not too disappointed from that exchange.

Yes that's really bad. This one looks like it's working ok

http://www.youtube.com/watch?v=RvSNZPxrRu8

Maybe not all of them have the same problem.

I just went to the Apple store and got my phone replaced -- NO CHANGE. Still getting all sort of random face-presses on every phone call.

*****!

Okay, just tried the "reset" fix. Hope it works or I'll be visiting the Genius bar.

Well take it again and keep taking it back till the issue resolves 😀 We all are facing the same issue and looks like apple customer care doesn't really care about customer cause i went to the store and there So called Genius people swipe there fingers and try to argue that the proximity sensor works the way it should be only one question to you genius bar people do you really think we stick a finger by our ear when we call ? Common its when the sensor i think goes on top of the ear canal then it starts acting up and also its slow it doesn't shut off the screen rite away it has a delay and looks like APPLE doesn't want to admit there fault that these things are really full of flaws

My wife and I are both having the problem. We aren't doing anything different from our old phones (iPhone original), and we NEVER experienced a proximity issue with our old phones. With our iPhone4, we both had it happen the first day, multiple times, and every day since. Come on Apple, admit there is a problem and fix it!

I've had all the previous phones, and I've never had a problem until now. I've had so many hangups, putting people on hold, and starting FaceTime. Quite ridiculous. I think this is more important than the front-facing camera.

Wow I actually think this is a bigger problem then the antenna issue,
at least wit that just hold the phone differently, but with this issue, hard to hold the phone against your ear without something happening.
Have anyone notice since iphone 4 started shipping apple stock has taken a nose dive!!
BTW.
I tried doing a complete restore and this did not help.

Same problems here. I keep muting calls. Signal drop over the seam too.

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I wonder when apple is going to address this issue 😐 Its annoying the $&*!&@ out of me common apple GR !!!!! fix this NOW !!!

Seriously, some sort of public acknowledgment that there actually is a problem here would be nice... The radio silence on such a wide-spread bug (or terribly stupid intentional change) is not reassuring. At this point, I'd be happy with a "hey, we know about it and are working on it."

Of course, if they really don't think there actually is a problem then we are really screwed.

I'm having the same stinking problem. Been an Iphone user for 2 years and never 1 problem cheek dialing or muting until now. I'm on the phone with apple right now. They act as if this is the first they've heard of it. We are on an apple sight...Right? I told them to check out there disscusion sight and they said they have other resources for that. WOW.