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iPhone 6 Multiple Audio, Proximity Sensor Issues


New Member
Apr 1, 2017
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Hi Everyone!

Brand new user here. I bought a used iPhone a few weeks ago thinking I could fix it but I have since run out of ideas.

The iPhone 6 has the following problems
  • Phone call earpiece audio does not work
  • The option to go to speakerphone is usually greyed out but sometimes is not. Speakerphone works when the option is available.
  • Phone proximity sensor does not work during a phone call
  • Audio will no play through headphones when a set of headphones is plugged in the headphone jack (headphones verified to work on another device). Audio just plays from the loud speaker.

What I have tried so far:
  • Replaced the charging port/headphone jack circuit board.
  • Reset.
  • Made sure the screws on the cover over the LCD connectors are in the right places.
  • Searched multiple online forums. Nobody seems to have the same combination of problems that I do. I am willing to consider that these could be separate issues but since most of them are audio related, I'm thinking their tied together.
Any help would be much appreciated.

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