1. WPCentral Question's Avatar
    After upgrading my lumia 1520 to 8.1 developer preview, I have a problem when making phone calls
    sometimes when I call or receive a call, the other side doesn't hear me until I open a loud speaker, after the update 1 for developer preview I encounter this issue much more .

    I restarted the phone and did a hard reset, but the problem still happens

    any idea ??
    08-09-2014 03:25 PM
  2. ven07's Avatar
    Did you try downgrading back to wp 8.0 to see if the issue is still there??
    08-09-2014 03:30 PM
  3. Hamad_manchavt's Avatar
    I am thinking to downgrade, but I need to know if anyone else facing this problem, is it software or hardware issue, is it a bug on 8.1 or not ?
    08-09-2014 03:34 PM
  4. ven07's Avatar
    I haven't seen anyone report this before you, but it could be a bug yes.. Do a backup, downgrade to 8.0 and check :) Or just hold off for a while; maybe someone else will respond
    08-09-2014 03:45 PM
  5. sail121j's Avatar
    My mic quit working too - but I am not sure if it quit after the upgrade or not. Headset works fine but when I use the mic on a recording the sound level is almost inaudible.
    08-11-2014 11:06 AM
  6. Sia Ghassemi's Avatar
    Since update 1 I'm experiencing the same on my lumia 1020... Hope there is a resolution for this issue...
    08-21-2014 11:36 AM
  7. paint_guru's Avatar
    My mom just upgraded to 8.1 and is having the same issue. Voice to text, speakerphone, etc. do not work, but Bluetooth connections do. She did not upgrade to the preview, but instead simply upgraded when 8.1 was rolled out via AT&T.
    08-27-2014 09:13 AM

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