Q53 BLU Samba JR Unlocked Dual SIM, Quadband Phone with QWERTY Keypad, 1.3MP Camera, Facebook,Twitter and MP3/MP4 Player- US Warranty - Silver 1.3MP Camera with a QWERTY Keyboard for Social Networks: Facebook, Twitter, MSN, Yahoo 3.5mm Audio Jack,FM Radio, MP3 Player, MP4 Player WAP Browser 2.0/xHTML, GPRS Class 12, 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.