Released for AT&T, the Samsung SGH-A777 is a slim, sleek slider that opens to reveal a large, easy-to-press keypad. Inside, it's a serious music player, GPS device, 1.3-megapixel camera all running on AT&T's 3G high-speed data network. With AT&T Mobile Music, the A777 plays and downloads music and ringtones. With the built-in microSD memory slot, users can store all the music they want. Video Share lets consumers share real-time, one-way video while talking on the phone. AT&T Navigator provides GPS-enabled turn-by-turn directions, maps and traffic updates.