What's App has become a necessity in today's life. What's App has been attracting customers by introducing new features always. But What's App may not be available in some phones from now onwards. It has made an official announcement in this regard last year saying Wahat's App may not work in some mobiles due to changes in applications. What's App won't support Black berry, Nokia s 40, Nokia simbian s60, android 2.1 and 2.2, windows phones 7.1, i phone 3GS, ios 6 phone after June 30th.