Q1: How to back up and restore all of the contacts information and business cards on your iPhone?
  Answer:
  Back up the contact information and business card as step below:
  
  - Please run program of iTunes.
 
  - Select your device and then right-click on the device. Select [Back Up] on menu to back up contacts information.

 
  
  
  
  Restore the contact information and business card as step below:
  
  - Please run program of iTunes.
 
  - Please check the WorldCard Contacts app, if you could NOT find it, you must install again before restore the data.
 
  - Select your device and then right-click on the device. Tap [Restore from Backup] and select your backup data to restore contacts information.

 
  - After complete restore data, you can find all of contacts in WorldCard contacts.