Blackberry Pearl 8220 Flip Red Unlocked This unlocked cell phone is compatible with GSM carriers like AT&T and T-Mobile. Not all carrier features may be supported. It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint. Blackberry's first clamshell smartphone with dual LCD screens and SureType hybrid numeric/QWERTY keypad Connect with up to 10 personal and work email accounts; 2.0-megapixel camera; Bluetooth stereo music; MicroSD memory expansion up to 16 GB Up to 4 hours of talk time, up to 360 hours (15 days) of standby time