HELLO I'VE A 8520 BB AND I'VE THE SAME PROBLEM WHEN I WRITE MY NUMBER IN THE FIRST SCREEN ON WHATSAPP.
"unexpected error.java.IOException: Failed to transmit" ...
" MONTH AGO THE APP WORKED BUT I WENT IN LONDON AND I DELETED INTERNET BECAUSE I'M FROM ITALY. NOW I'M COME BACK IN ITALY AND I TURN ON INTERNET ON MY PHONE WITH "TIM" LIKE 2 MONTH AGO, BUT WHATS APP DOESN'T WORK.. I TRY TO PUT "ALLOW" TO ALL THE INFORMATION AND RESTART THE FIREWALL BUT ITS THE SAME... WHAT CAN I DO?
SORRY FOR MY BAD ENGLISH I HOPE U UNDERSTAND