Samsung Galaxy A51 5G | A516U | 128GB . Display: 6.5 inches; Operating System: Android 9.0 (Pie); Storage: 128GB + 4GB RAM; SIM: Single SIM (Nano-SIM), SIM Card not including. Clean IMEI. 90 days store warranty. Refurbished Condition May have minor scuffs or scratches;, Ships in non-retail box; generic charger and USB Cable only. No any other accessories included. this model: Not compatible with Cricket and Verizon ****it's only support Wi-fi calling for Sprint. Not other carrier. *******