International Model - No Warranty in US. Compatible with Most GSM Carriers like T-Mobile, AT&T, MetroPCS, etc. Will NOT work with CDMA Carriers Such as Verizon, Sprint, Boost RAM 3GB , ROM 32GB Internal Memory ; MicroSD (Up to 512GB), Android 9.0 (Pie), Qualcomm SDM450 Snapdragon 450 (14 nm), Octa-core 1.8 GHz Cortex-A53, Adreno 506 Main Rear Camera: 13.0 MP + 8.0 MP + 5.0 MP , F1.8 , F2.2 , F2.2 ; Front Camera: 8.0 MP , F2.0, Non-removable Li-Po 4000 mAh battery