HTC Tattoo Unlocked Android Phone with 3MP Camera, WiFi and GPS--International Version No Warranty (Graphite) 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. Quad-Band Unlocked GSM cell phone compatible with 850/900/1800/1900 GSM and 900/2100 3G frequencies plus GPRS/EDGE capabilities Powered by Android 1.6 Platform, Qualcomm MSM7225, 528 MHz Processor, microSD memory card, can be customized inside and out GPS navigation, Wi-Fi networking (802.11b/g), 3.2 megapixel digital camera, A2DP Bluetooth for stereo music, G-Sensor, Digital Compass, FM Radio Up to 6 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.