format smart phone

hello i want format my phone (samsung galaxy s3) i want backup all the masseges watsup masseges all the phonebook and all my pics my pics i know how to move i need only the phonebook and masseges someone know how i do this??
thanks
Answer #1
Super Backup : SMS & Contacts
https://play.google.com/store/apps/details?id=com.idea.backup.smscontacts&hl=en
Perform a Factory Data Reset.
http://www.verizonwireless.com/support/knowledge-base-104024/