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Related to: iPhone 4S stereo sound

This is strange. I know people with the iPhone 4 (not the 4S as I have) who are getting audio from both "boxes". In addition, I don't get stereo with headphones either. I get stereo output but both L and R channels produce just R - meaning the R channel is outputting to both. What is this?

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    I doubt they are getting audio from both, as there would be no way to speak into the phone if that was the case. As you are getting just the R out put from your headphones, I'm not sure, maybe someone else can help?
    – Graeme Hutchison
    Commented Jan 4, 2012 at 20:19
  • Which sound sources have you tried?
    – bneely
    Commented Jan 4, 2012 at 20:57
  • The difference between this and the other post is that this iPhone does not output stereo with headphones either.
    – Nathan Greenstein
    Commented Jan 4, 2012 at 23:54
  • Have you tried with different headphones? Are you sure the song you're listening to is stereo? Also, your friends are lying to you. I've had iPhone 3G, 3GS, 4 and 4S, and only the right "box" is the speaker: the left, per the article you linked to, is the microphone.
    – user479
    Commented Jan 5, 2012 at 5:06

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The fact that people say they are getting sound from both grills at the bottom of any iPhone is total nonsense, all models have a Microphone and a speaker at the bottom.

If Apple replaces the microphone with a speaker, the phone would be rendered useless as there would be no way of it picking up speech.

It is a very common misunderstanding.

A couple of things to check.

  • Clean the headphone jack - any dust or fluff can cause the signal to break
  • Go to -Settings>general>accessability>Mono audio make sure this is off
  • Compare with a friend's phone, same model, same track, same head phones, then try new headphones, and after that a new song.
  • if there is still a problem go to an Apple store.
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Put some alcohol on a Q . Tip and clean out the Earphone Jack it collects a lot of dirt & grime let dry a few minutes & plug earphones in should be fine

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