A new model is about to join the Nokia Asha line up as a tweet from evleaks contains a photograph of the Nokia Asha 502; like the Nokia Asha 500, the new variant is expected to have dual SIM capabilities and offers Wi-Fi connectivity. The newer handset also has the same transparent case as seen on the prior model, but includes a flash for the camera, something that was missing on the Asha 500...
Source: http://www.phonearena.com/news/Nokia-Asha-502-revealed-in-photograph_id47818
Source: http://www.phonearena.com/news/Nokia-Asha-502-revealed-in-photograph_id47818