AT&T will begin offering the GDR2 and Amber system software updates to the Nokia Lumia 820 and 920 later today.
The company posted information about the update in its community forums and an AT&T spokesperson confirmed the details with Phone Scoop via email. The GDR2 update, which comes from Microsoft, improves XBox Music and how the devices manage storage. The Amber update comes from Nokia and adds features including an FM radio, flip-to-silence, Nokia Smart Camera, and call/SMS blocking.
According to AT&T, Lumia device owners will be notified by their handsets when the update is ready. It can be downloaded and installed over Wi-Fi.