Nokia Amber update for Lumia smartphones now rolling out globally.

Much awaited Nokia Lumia Amber update is now rolling out globally for all Nokia Lumia smartphones.
This Amber update brings Smart Camera, a new camera app. While the high end Lumia phones, Lumia 920, 925 and 928 will also get the Pro Camera app, which was introduced with Lumia 1020.
The Amber update also brings better noise reduction, better color rendering and improved autofocus. Update also brings new Nokia Glance Screen which shows clock and notifications on the lockscreen. Unfortunately, Lumia 520 and Lumia 625 will not get this feature. Some new gestures also included. Update also brings flip to silence feature. Update adds FM Radio to certain Nokia Lumia devices, except Lumia 620.
Update is rolling out in stages and according to model. Nokia Lumia 920 and 820 will get it first and then rest of the Lumias running on WP8.
You can check the update by going through Settings -> Phone Update.