XContact - Stop Spam,Block Call & SMS,Backup and Restore Contact

Ex Contact - Group Contact , Backup & Restore Contact is Supports:
- Manage contacts : Create, delete.
- Make Calls and SMS quickly.
- Creat and manage group: add an contact to group, delete contact from group, send sms to all members in group.
- Quick search with number to show contact name.
- Backup contacts: Backup with vcf file for Dropbox backup, Email backup or Restore to Contacts or for new your iphone.
- Improt contacts from file, and dropbox for new iPhone