Got iphone 4 with ios 4.2.1 withlokinfo and popup blocker..
When someone sents a msg via Whatsapp the popup blocker block the sound also...
ANy one have this problem or similair ? Need some advice or solutions
UPDATE::::: I just installed alertBLocker and works way better with Whatsapp and other Apps... FOr now Im leaving Popup BLocker till next update and fix.......