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Since doing the restore, are you able to use our phone cradled on your shoulder without the proximity sensor issue? This worked fine on the old iPhones but is the surest way to disable the sensor on this phone.

If this works for you, I'm all for trying the fix.
Please let us know.

Just made a call and cradled the phone on my shoulder, no issue with the proximity, Whew, I'm glad the problem got fixed somehow when i restored and set up as new.
 
Dead wrong. You can tell whether it's a dropped call or a hangup, a dropped call beeps three times and the screen displays "Call Failed." When you hang up the phone, with your face or otherwise, you don't see that message or hear any tone.

This is exactly correct. A call you accidentally hung up looks and sounds nothing like a dropped call. There's no way you could confuse the two.

That said, the proximity sensor issue sucks and needs to be fixed.
 
Just made a call and cradled the phone on my shoulder, no issue with the proximity, Whew, I'm glad the problem got fixed somehow when i restored and set up as new.

How long was ur phone call and did you move around a lot? I say try again. Make sure the convo is at least 3 minute and walk around while cradling the phone on your shoulder. Also if it dosnt happen then who is willing to restore as new? It would be super painful for me. =-(
 
I hope you at least see the hypocrisy of this statement given that you've taken to berating those who claim the signal issue affects all phones.

You just did the exact same thing you make fun of them for. So I'll use your tactic against you... JUST RETURN IT! :D

I never said the signal attenuation issue doesn't affect all iPhone 4s. I can easily get the bars to drop. But it's never dropped a call due to signal attenuation, no matter how hard I try.

Other than the proximity sensor issue, I'm THRILLED with my iPhone 4. Best iPhone yet. Fast fast fast! And, once I stuck it in a bumper case, even better looking! :)

Mark
 
I returned my iPhone yesterday because of this. I was constantly hanging up, activating facetime, or putting the call on hold when I held the phone between my face and shoulder (I do this often).

I made a call with my iPhone 4 to my friend's 3g and set them both on the table. I then lowered my extended finger closer and closer the each phone to see when the proximity sensor would activate. The 3g's kicked in when I was about 1" - 1 1/2" from the phone. The 4 would not activate until I was about 1cm from the phone.

Luckily, I have a friend who works for Apple so the swap went pretty well. When he first activated my phone we tested it and it did perform better. The sensor would kick-in at about 1" from the phone; an improvement, but still not as good as the 3g.

The problem is that I'm still losing calls so I'm going to wait to see if something can be corrected with the software. If not, I'm going to return this one too (I also appear to have a couple of dead pixels).

Btw, I'm sure it's been mentioned before, but I cannot recommend the bumper case enough. When I swapped my phone out yesterday the Apple store had tons of the black bumpers (only black were available). It makes the phone wider, more akin to the older models, which is much easier to hold IMO. It's easier to hold on to due to the rubber edge, it doesn't slide on surfaces, and gives you a bit of piece-of-mind that it can withstand a drop much better. The only drawback I've noticed is that it sticks to your pocket when inserting/removing. Not that big of a deal though.
 
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