At approximately 3.30pm on June 23, a 15-year-old boy was near to the Hugo Boss shop at the Outlet Village in Swindon when he was approached by two males who demanded he hand over his mobile phone.
They made threats of violence towards the victim and then made off with his phone.
They left the Outlet Village via the west exit door and walked in the direction of Faringdon Road Park.
The victim was left shaken up by the incident.
Enquiries have been ongoing since the incident and officers have identified the two males pictured who they would like to identify.
Anyone with information should call 101 and quote crime reference number 54230066046.
Alternatively, call CrimeStoppers anonymously on 0800 555 111.