Samsung - Galaxy Young 2 DUOS G130 Unlocked GSM Dual-SIM HSPA+ Phone - White This device is carrier-unlocked and may be used with any GSM carrier that uses a frequency or band that this device supports. A SIM card and service plan must be purchased separately. Unlocked GSM phones will not work with CDMA networks like Boost, Sprint or Verizon. 3.15 Megapixel Camera (No Front Camera) 2G: GSM 850 / 900 / 1800 / 1900 (SIM 1 & SIM 2), 3G: HSDPA 850 / 1900 / 2100, 4G: HSPA+ 850 / 1900 / 2100 (not LTE) Android v4.4.2 (KitKat), 1GHz Single-Core Processor, 0.5 GB RAM, 4 GB Internal Memory, External MicroSD Memory Supported (Up to 32GB) 3.5" TFT Display Capacitive Multi-Touchscreen 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.