Keeping in touch with family, friends and business associates is made simple with the Samsung Chat 322 and its social networking methods and email capabilities. The text messaging and instant messaging options also allow you to always stay connected on the go. Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile; also compatible with GSM SIM cards like H20 and select prepaid carriers. Phone will not work with Sprint, Verizon, Boost Mobile, Virgin Wireless or other CDMA carriers. Please contact your carrier to confirm support of voice and data on this unlocked GSM device.