Police are appealing for witnesses to a robbery in Central Avenue, Peacehaven, on Sunday July 20.
A 22-year-old man was walking home at 0.30am when he was approached by two men who stole his white iPhone 4s.
There are believed to be two suspects.
The first suspect is described as a white man, aged mid 20s, 6ft and of slim build. He was wearing a black hooded top with blue tracksuit bottoms and black gloves.
The second suspect is described as a white man, aged mid 20s, 6ft and of medium build. He was wearing black hooded top and dark tracksuit bottoms.
Detective Constable Jo Barber said: “If you witnessed the incident or have any information please contact Sussex Police by calling 101 or emailing firstname.lastname@example.org and quoting serial 176 of 20/07. Alternatively, call the independent charity Crimestoppers anonymously on 0800 555 111.”