Every once in a while, the microphone on my S7 Edge (running Android 6.0.1) stops working, which I notice when someone calls on the phone/Viber/Skype, and the other side cannot hear me whereas I hear them. Rebooting always fixes it, but is still very annoying nonetheless. Has anyone noticed this and found a workaround? many thanks..
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Affects me too on a Motorola Photon Q with the March 21 build of Cyanogenmod 13 (Android 6.0.1) from forum.xda-developers.com/photon-q-4g-lte/development/… . I've tried adb logcat and not found any clues so far :( – entheh Oct 3 '16 at 12:42
OK so I accidentally stumbled upon the solution: The problem is caused by the Total Recorder app.
