Samusng C3520. You are buying Samusng C3520 Carrier : This Phone is factory Unlocked for GSM Networks. phone will NOT work with CDMA carriers such as Verizon, Pageplus and Sprint. NETWORK Technology GSM 2G bands GSM 850 / 900 / 1800 / 1900 GPRS Class 12 EDGE Class 12 LAUNCH Announced 2011, October.
