Upgraded my Xperia ZR from 4.2 to 4.3 ( 10.4.1.B.0.101 ). I am facing an issue with the sound. When I use earphones everything works perfectly well, but the sound doesn't work without the earphones. However when there is an incoming call the sound plays on the speaker. So clearly its not a hardware issue as i'd initially thought. From what i have read in the other forums people are suggesting to update via sony update service but that asks to factory reset the phone and sometimes even that has not solved the issue. Another suggestion was to downgrade to 4.2. Both these tasks are cumbersone. Sony should just release an update as this is a software bug. Is there anyway where to fix the issue without doing a factory reset or wiping all my data?
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