Finnish mobile phone maker Nokia says it has shipped the 1.5 billionth phone running its S40 operating system.

The first S40 device  Nokia 7110 was released in 1999. A 21-year old Brazilian woman made the historic purchase 1.5 Billionth purchase in São Paulo.

Nokia claims its development over the years means that it now blurs the line between feature phones and smartphones. Phones like the Asha 303 can do smartphone type things like play Angry Birds, browse the web, and use social networks.