Adding a Contact:

  1. While viewing the home screen, tap the "Utilities" icon
  2. Tap the "i" associated with "Contacts"
  3. Tap the "Add contact" icon located in the upper right corner of the screen
  4. Type in the contact's first name, and enter any additional information as you desire
  5. Once finished, tap "Done"

Using Your iCloud Contacts:

  1. On the home screen, tap "Settings"
  2. Tap "iCloud"
  3. Enable "Contacts"

Import Contacts from Facebook:

  1. From the home screen, tap "Settings"
  2. Go to "Facebook"
  3. In the "Allow These Apps to Use Your Accounts" list, enable "Contacts"

Using Your Google Contacts:

  1. From the home screen, tap "Settings"
  2. Tap "Mail, Contacts, Calendars"
  3. Select your Google account and then enable "Contacts"

Accessing a Microsoft Exchange Global Address List:

  1. Tap "Settings" while on the home screen
  2. Press "Mail, Contacts, Calendar"
  3. Tap "Add Account" > "Other"
  4. Tap "Add LDAP Account" or "Add CardDAV Account"
  5. Enter the account information

Syncing Contacts from Your Computer or Yahoo!:

  1. While in iTunes on your computer, enable contact syncing in the "Device Info" pane

Importing Contacts From a SIM Card (GSM):

  1. From the home scree, tap "Settings"
  2. Tap "Mail, Contacts, Calendars"
  3. Press "Import SIM Contacts"

Tip: To import contacts from a vCard, tap a ".vcf" attachment in a message or an email

Deleting Contacts:

  1. While on the home screen, tap "Phone"
  2. Tap "Contacts" and select the contact that you wish to delete
  3. Press "Edit"
  4. Scroll to the bottom of the screen and tap "Delete Contact"
  5. Tap "Delete Contact" again to confirm

Other Contacts Settings:

  1. To access the contact settings, tap "Settings" on the home screen
  2. Tap "Mail, Contacts, Calendars" and you can:
    • Change how contacts are sorted
    • Display contacts by first or last name
    • Change how long names are shortened in lists
    • Set a default account for new contacts
    • Set your My Info card

See More: iPhone 5S: Add, Delete and Manage Contacts