Finding and Adding Friends
Adding Friends Who Have Added You
When a friend adds you, the ghost icon at the top of your Camera screen will turn yellow. Tap the ghost to go to your Profile screen.
To add a friend who has added you, tap "Added Me" in your Profile screen.
Here you can add a friend that added you by tapping on the "+" icon next to their name. It will turn into a checkmark.
Adding Friends From My Contacts
To find and add friends from your device's contact list, tap "My Contacts" in your Profile screen.
All of your phone contacts with Snapchat accounts will be displayed, along with friends who don't have Snapchat, who you can invite via SMS :)
Searching for Friends
To find and add friends who aren’t in your list of contacts, tap "Add Friends" in your Profile screen.
Here you can search for your friend by username or from your address book.