T-Mobile (and MetroPCS, which it acquired) announce the availability of the powerful and inexpensive Lumia 635 for the US market.

Powerful and Inexpensive Lumia 635 Available on T-Mobile and MetroPCS in July

Nokia announced the entry-level Lumia 520 and the midrange Lumia 720 at Mobile World Congress. They are priced to attract first timers.

Nokia Announces Lumia 520 and Lumia 720: Priced to Gain Market Share