Check out the solution worked for me and I tried all the solution available and sharing below:
I faced similar issues but it got resolved after I started using Greenify and changed the performance profile to efficiency
Battery > Battery Saver and performance > Performance Profile > Efficiency
Since moving to Sultanxda's Uno...
Didn't work for me, changed all non 0 specified lines to 93, still the same. And fluence type set to none.
Did you already have a working microphone i.e. When you blow hard on the microphone the caller can hear the sound?(microphone is working but...