I'm having an issue with the Proximity Sensor not properly detecting when i'm holding my phone to my ear. I can confirm that the iPhone sensor is working by covering it with my finger, but when held to my face, the screen blinks as if it cannot decide to disable the screen or enable it. It results on me hanging up, putting calls on mute, and dialing numbers accidentally while i'm on the phone. This occurs on 90% of my calls. Is anyone else experiencing this issue. I would like to confirm whether this is a software issue (Proximity Sensor sensitivity too low) or a design issue (sensor now placed towards the end of the phone).
I have experienced this problem with each generation of iPhone so dont believe this to be a new problem. My 3Gs was alot worse than the first two gen but also intermintant... the longer the call the more prone it was to happen. I have not had this happen yet on my iP4 but then its only been two days so who knows. It is a software fix though and can be done through an update to the iOS as seen in jailbroken phones when those sensors were either completly disabled or once activated would not shut off without rebooting the phone. Here's hoping there's an update forthcoming soon.
Wanted to report having the same issue... initiated 3 FaceTime calls, turned on speakerphone, and muted myself during multiple calls when the phone was just against my ear.
The reported fix is to reset the phone. Go to Settings->General->Reset->Reset All. You won't lose any data, but you will have to redo your settings (wallpaper, ringtones, etc.) and reenter your wi-fi password. Several people have posted that this resolved the problem. I've done it on my phone, but have yet to make a call to see if it worked for me as well.
I have the same problem as well. Its really a pain in the butt, I cant say that I am happy I am not the only one because I would rather say I am happy I am not having this problem. I am going back to return my phone today.....its the only thing I can do to fix the problem is by not having a problematic phone!!
NOT discounting the people that have issues - but we bought 2, and they are flawless. No yellow spots, perfect (maybe even 'slower') proximity sensor than 3GS, no problems with reception......
While frustrating to the people with problems, I do not think these are universal problems to all phones....
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Issue with Proximity Sensor during calls
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