Found this today, very usedful!
I have the exact problem as you too. Then i install this ROM http://forum.xda-developers.com/showthread.php?t=1175589 and now Whatsapp and Viber working fine together with the phone function for the Flyer. But the software number now is 1.38.709...
Followed the steps, can make and receive calls. However people on the other side cannot hear my voice :(
I can hear them very clearly though...
I tried my mic with voice recording and it is working fine.
Once I connect my Flyer with a B...