... Product: Research In Motion BlackBerry 8310 Curve Carrier: Unlocked - Use with Any GSM SIM Card (AT&T, Rogers, T-Mobile, ... Graphics, Custom Ringtones, Digital TTY/TDD, Flight Mode, Games, GPS Support, MMS, Multiple Languages, PC Sync, Picture ID, Polyphonic Ringtones ... 3.92 oz Description: This variant of the Curve adds GPS with support for location-based applications, but is otherwise similar to ...