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  1. roypaith's Avatar
    My wife's iphone 4 speakerphone is not working properly. When she makes a call the other person can not hear her when she is on speakerphone. She can hear them fine. I just got this phone (used) about a month ago. From what I remember, it used to work but does not now. Anybody have any ideas? I have swapped the speaker with mine and also have done a complete restore and still nothing. Thanks for any help.
    2012-07-22 06:35 PM
  2. 2k1's Avatar
    Ya bought it off of eBay or like someone like apple?
    2012-07-22 06:42 PM
  3. roypaith's Avatar
    I bought it on craigslist.
    2012-07-22 06:51 PM
  4. Cphone 4's Avatar
    It happens if the phone has been open, and the screen has been removed. the 3GS has this problem aswell. Whoever you got it from had probabley opened it and tampered with it, if your not careful you can easily damage it.
    2012-07-24 04:53 AM
  5. jcat9's Avatar
    It happens if the phone has been open, and the screen has been removed. the 3GS has this problem aswell. Whoever you got it from had probabley opened it and tampered with it, if your not careful you can easily damage it.
    I think what you mean to say is that someone probably took the phone apart but didn't put it back together properly. What's more probable is that the 4 metal grounding tabs on the speaker module are not seated correctly against the frame. Pretty quick and easy fix, follow the guide to take apart the phone and just use a small flathead screwdriver to make sure they seat under the lip in the frame.
    2012-07-24 05:21 PM
  6. Cphone 4's Avatar
    yeah exactly^ couldnt have said it better myself
    2012-07-25 06:41 AM
  7. B-Roll's Avatar
    He said he CAN hear the other person but they can't hear him which would be a microphone issue, not having to do with the speaker/ringer.

    There are 2 noise canceling microphones. One connected to the charge port and the other connected to the power button/proximity sensor if it's AT&T or it's connected to the audio flex on a Verizon phone.
    2012-07-25 04:59 PM
  8. mvn's Avatar
    There is only one noise cancellation microphone in the iPhone 4, just want to correct this for informational purpose. It is part of the power button + proximity sensor flex cable. For the 4S it is actually part of the headphone jack rather then being part of the power button (just wanted to separate the models). There is also another microphone in the iPhone but that one does not affect the speakerphone and is only used when the speakerphone is off.

    Cable will run you about $15-$20 for an original one, copy you can pick up from $1-$5 on ebay.
    Apple Technician - Modder
    2012-07-30 01:47 PM
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