Nokia Lumia 530 launches at T-Mobile on October 15, Cricket will have it tomorrow

Cricket is the first to launch the handset: its customers will be able to buy the Lumia 530 starting October 3 (that’s tomorrow) for only $49.99, no contract required. T-Mobile will introduce the new smartphone a bit later: stating October 15, for $79.20.
Specs-wise, the Lumia 530 offers a 4-inch display with 480 x 854 pixels, HSPA+, 5 MP rear camera, quad-core 1.2 GHz Snapdragon 200 processor, 512 MB of RAM, 4 GB of expandable internal memory, and 15 GB of free OneDrive storage space.
sources: Cricket, T-Mobile