1. AC Question's Avatar
    I have a T Mobil Prism II (model U8686) and the primary microphone stopped working. Using the phone with a blue tooth headset works fine and using it in "speaker phone" mode also works. The mic' just doesn't work in regular phone mode. Is this a software problem or a problem with the hardware?
    08-24-2014 11:14 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! I'd have to guess a hardware problem. I don't know exactly how your phone is designed, but it's possible that the speakerphone mic is separate from the phone mic--the speakerphone mic may be what's used for the video camera, for example. How old is the phone? If it's still under warranty, contact T-Mobile or whoever manufactures the phone.
    08-25-2014 01:09 AM

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