I was using whatsapp without any porblem on my BB curve 9360, OS 7.0, then I ed tu updated to OS 7.1 and suddenly whatapp stop running sending a message to change my phone, I uninstalled and installed whatsapp back , and still same problem, I downgrade my phone to OS 7.0 re installed whatapp and still no support, I contact whatsapp, it was a waste of time with its automated message support, Please help