BLU R1 HD - 8 GB - Black Fast 1.3 GHz quad-core MediaTek 6735 ARM Cortex processor with 8 GB Internal memory, 1 GB RAM and supports 2.4GHz wifi band Enjoy the best of Google Android 6.0 Marshmallow, including Google Maps, Gmail, Play Store, and more Dual SIM and MicroSD support for up to 64 GB of expandable storage Stunning 5" HD display with curved Gorilla Glass 3 protection, plus an 8 MP main camera and 5 MP selfie camera that includes a front-facing LED flash 4G LTE plus GSM unlocked for your favorite compatible carrier or for international travel (including AT&T, T-Mobile; not compatible with Verizon or Sprint)