Note : iPhones and Android ##s will not see a global network crash . BlackBerry filters messages through its own filters ; Apple and Google do n't . Apple 's middle - man approach to messaging is what worked this week . Millions of BlackBerry users were without e - mail service for more than three days .
Experts : iPhones and Android devices will not see a global messaging crash . BlackBerry filters messages through its own servers ; Apple and Google do n't . BlackBerry 's middle-man approach to messaging is what crashed this week . Millions of BlackBerry users were without e-mail service for more than three days .