The holdup happened at a Sprint Store located at 7830 Good Middling Drive.
Police 23-year-old Hillary Cheyenne Carver of Lumberton came in carrying a large military-style long gun and demanded cell phones from a clerk.
She then fled in a dark blue Mazda.
Detective say after getting tips about the surveillance pictures, they identified the robber as Carver.
She is charged with robbery with a dangerous weapon and possession of stolen goods.