Nokia  Lumia 521 - 640

The new Nokia Lumia 521 will be exclusive to T-Mobile.

Following up on the announcements of the Nokia Lumia 720 and 520 this morning, T-Mobile has announced it will carry the Lumia 521 exclusively. Running on Windows Phone 8, the phone will operate on the carrier's 4G network and will be offered "at an affordable price."

No word as of yet as to when the device will launch or what exactly that "affordable price" will be.