Samsung GT-C3520 International Version, Factory Unlocked GSM - Coral Pink Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin. Unlocked Quad-Band GSM Cell Phone compatible with 850/900/1800/1900 MHz frequencies and GPRS/EDGE data capabilities. 1.3MP Camera with Autofocus and Smile Detection; MP3 and MP4 Player; FM Radio; Social Networking Applications; SMS, MMS, Email, Push Email and IM and Instant Messaging with Windows Live Messenger, Yahoo, G-talk, FB Chat and Samsung Messenger (MR). 3.5mm Audio Jack; 2.4" TFT LCD Screen, 256K colors and MicroSD Card, up to 16GB; Java MIDP 2.0; Browser WAP 2.0/xHTML; 28MB Internal Memory; 2.0 High Speed USB; Bluetooth v2.1 with A2DP Talk time up to 9 hr 10 min - Standby up to 610 hours. 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.