People tab, tap .
Name field, and then enter the contact name.
if you want to separately enter the contact's first, middle, and last name. Depending on the contact type, you may also be able to add other info such as a name suffix (for example, "Jr.").
Contact type. This determines which account the contact will sync with.
Note: Some fields may not be available when you’re adding contacts to a SIM card.
Enter the contact information in the fields provided.
When you tap the added contact on your contacts list, you'll see the contact information and your exchange of messages and calls. Depending on the information that you've added to the contact (such as an email address), you'll also be able to see the contact's social network updates, events, and photos.