The icon looks like a white ghost on a yellow background.;
, A menu with slide down with your contact information and various menu options.
,,, A pop up with their name will appear.
 If a number doesn’t appear next to their username, this means they have either blocked or deleted you from their contacts list.
Open the Snapchat app.
Swipe down on the screen.
Tap Add Friends.

,
Tap Add by Username.

,
Search for a friend.

,
Tap on the friend's search result.
Check their Snap Score.
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