New Samsung Galaxy S2 I9100 3.4.12 call audio problem

[Sm1leAway]

Hey guys I've encounterad a big problem. After I switched from miui ICS to miui JB my call audio output became terrible. I can barely hear what people I speak with say. If this is a bug or if someone can give me any assistance with this I would be very grateful.
Thanks in advance

 

[ingbrzy]

Hey guys I've encounterad a big problem. After I switched from miui ICS to miui JB my call audio output became terrible. I can barely hear what people I speak with say. If this is a bug or if someone can give me any assistance with this I would be very grateful.
Thanks in advance

flash any of JB radio/modem from XDA...

 

[Sm1leAway]

flash any of JB radio/modem from XDA...

Thanks for the fast reply. I flashed one that I found but sadly it didn't help
The volume is still very bad.