I am a paid user of this app. I am big fan of this app. Recently I had to uninstall and reinstall the app and all the spam numbers that I had blocked was gone. Now I am getting messages from all those numbers again and am blocking then as and when I get messages. But this could have been avoided if we could save these phone numbers. Give a login to the user and you have to have same the blocked phone numbers. Even this will help when we switch from an older mobile to a new one. Thanks..