FCC documents have revealed an unannounced Nokia phone for AT&T. The Nokia 6750 "Mural" is a clamshell phone that comes with dedicated music keys and an outer display hidden behind a mirrored shell. Documents confirm 3G in the 850/1900 bands that AT&T uses. Specs include Bluetooth, memory card slot and camera. The phone has dedicated 'CV' button for for AT&T's Cellular Video service. Its not known if the phone will be powered by Series 60 smartphone OS.