Nokia Lumia 900 for AT&T finally getting WP 7.8 update

Nokia Lumia 900 for AT&T finally got the Windows Phone 7.8 treatment. Nokia Care US brought the word about the long overdue update in its official Twitter account.

The most notable feature which the Windows Phone 7.8 update brings to the Nokia Lumia 900 for AT&T are the resizable tiles a la Windows Phone 8. Furthermore, there are new theme colors, lock screen improvements and…