Nokia had initiated the Lumia Black update roll out around the world only last week. In case you happen to own a Lumia 925 with AT&T , it too would be upgraded with the Windows Phone 8 GDR3. Take a look into what this could have in store for the Lumia 925 owners-

Bluetooth LE Driving mode to limit notification arrivals Nokia Beamer Glance screen 2.0 Screen orientation lock

There is also an awesome Nokia Camera application, which lets you club the power of Smart Camera and Nokia Pro Camera for customizing ringtones and enhance storage on the device.  

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