Motorola RAZR V3i Unlocked Phone with Camera, MP3/Video Player, and MicroSD Slot-International Version with No Warranty (Silver/Gray) 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. Quad-band GSM cell phone compatible with 850/900/1800/1900 frequencies and GPRS data capabilities Classic iconic super-slim RAZR design with enhanced video capture and playback capabilities 1.23 megapixel camera/camcorder; Bluetooth for handsfree devices; MicroSD memory expansion; digital audio player compatible with iTunes Up to 6.67 hours of talk time, up to 310 hours (12.9 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.