What Your Devices Know ABout You

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No audio after Nougat update

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My BLU Vivo XL2 which I’ve had for under a year received an update to Android 7.0. I welcomed the new look and feel until a day later I realized I was unable to hear anything during outgoing calls.

Searching online yielded no solution to the problem and the feeling of dread started to creep in. I remained calm and decided to do and deep dive though my apps to see what had changed during the update. That’s where I happened upon the “Carrier Services” app which I’ve never seen before.

Checking the permissions of this app revealed that they; Camera, Location, Microphone, Phone, and Storage; were all disabled. Enabling the permissions for Microphone and Phone resolved my communication issues.

UPDATE:

Disabling Carrier Services only rectified the issue briefly. By the following day the issue was back again. I tried a solution posted on ifixit.com which seems to have gotten the job done. This “fix” required disabling Say “OK Google” any time. This is done by going to:

Settings >> Google >> Search >> Voice >> Voice Match

Keeping my fingers crossed with this fix.