Nokia Lumia 620 is now available for only $99.99 on AIO Mobile. For your information AIO wireless is MVNO brand and it is locked to AT&T. At the same initial price Nokia Lumia 520 is available on GoPhone on AT&T and it makes Nokia Lumia 620 a better option when compared with Nokia Lumia 520.
Nokia Lumia 620 features a better screen, front-facing VGA camera, 5-megapixel rear back camera and comes with NFC connectivity.[Via] AIO Wireless