Samsung Galaxy Young GT-S6310T Unlocked GSM Android Cell Phone - Deep Blue (International Version) Cellular Band - Quad-Band 850 / 900 / 1800 / 1900 Mhz Cellular Band 3G - 850 / 2100 Mhz 3.27" TFT Touchscreen Display, 320 x 480 pixels 3MP Camera, 2048 x 1536 pixels with Video Playet Bluetooth; Wi-Fi; GPS; MP3 Player; MicroSD Card Slot up to 64GB 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. 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.