Sony Ericsson P990i Unlocked Cell Phone with 2 MP Camera, 3G, MP3/Video Player, Memory Stick Pro Duo Slot-International Version with No Warranty (Premium Silver) Unlocked cell phones are compatible with GSM carriers such as AT&T and T-Mobile, but are not compatible with CDMA carriers such as Verizon and Sprint. Tri-band GSM cell phone compatible with 900/1800/1900 frequencies and International 3G compatibility via 2100 UMTS plus GPRS capabilities Flip-down keypad opens to reveal full QWERTY keyboard; 2.8-inch touchscreen display Wi-Fi networking; 2-megapixel camera/camcorder; Memory Stick Duo expansion; Bluetooth stereo music; access to personal email Up to 9 hours of talk time, up to 340 hours (14+ days) of standby time This cell phone may not include a US warranty as some manufacturers do not honor warranties for international version phones. Please contact the seller for specific warranty information.