It happened on January 10 on the 1200 block of South Broad Street.
The video shows the suspects approaching a 25-year-old male from behind.
Police say the suspects then knocked the victim to the ground, and began kicking and punching him several times.
During the attack, the suspects made several attempts to grab the victim's cell phone.
After failing to do so, the suspects fled in an unknown direction.
The incident remains under investigation.