Samsung Galaxy Core II Dual SIM G355M Factory Unlocked Phone - Unlocked (Black) Network: GSM Memory: 768 MB RAM WIFI: Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Bluetooth: v4.0, A2DP Camera: 5 MP, Flash, AF / VGA Secondary : VGA Frequency (2G) GSM 850 / 900 / 1800 / 1900 Frequency (3G) UMTS 850 / 1900 / 2100 Frequency (4G/LTE) NO LTE Phone Style Touchscreen Storage (Internal) 4 GB Storage (External) Micro SD, up to 64GB LCD Type: TFT capacitive touchscreen Display Size: 4.5" HD CPU Speed: 1.2 GHz CPU Cores: 4 Chipset: Qualcomm MSM8226 Snapdragon 400 Languages: English Other Spanish Francis Portuguese Key Features: Dual Sim 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.