Nokia is working on successor of Asha 501 that it is internally calling as Pegasus and Lanai. These model names are for upcoming Asha 502 and 503 respectively.
One of them will have 3G built in. Asha 501 is an excellent phone but lacks build in 3G – something even budget phones have these days. It would be great if Nokia would release them unlocked at a $100 price tag. twitter.