VIBER OUTGOING PROBLEM IS KARBONN TITANIUM S5???

IF YOU HAVE VIBER,LINE,FACEBOOK CALL PROBLEM IN YOU KARBONN S5 THEN DON'T WORRY. YOU MOBILE IS NOT DAMAGED. IN YOUR MOBILE GSM AND SKYPE CALL'S WORK PERFECTLY CHECK IT. THIS PROBLEM IS DUE TO THE ANDROID OS. SO GO TO THE NEARESET KARBONN SUPPORT CENTER AND UPGRADE YOUR OS TO JELLY BEAN 4.1.2 AFTER THAT YOUR PROBLEM WILL BE SOLVED AND DONT UPGRADE YOUR PHONE BY YOURSELF IF YOU ARE A NEWBIE IT WILL GIVE LOT OF PROBLEMS LATER. ENJOY PLAYING HD GAMES IN KARBONN S5