Model 4.0 inch, 4.5 inch, 4.7 inch, 5 inch, 5.2 inch, 5.5 inch, 5.7 inch, 6.0 inch 4G Smartphone Chipset MTK6737/SC9832 OS Android 5.0/Android 6.0/Android 7.0 4G Support, B1,3,7,20 or 2,4,7,17 3G Yes, WCDMA 2100MHZ 2G(GSM) GSM 850/900/1800/1900MHz Display 3.5 inch, 4.0 inch, 4.5 inch, 4.7 inch, 5 inch, 5.2 inch, 5.5 inch, 5.7 inch, 6.0 inch Size RAM 512MB DDR (1GB/2GB Optional) Storage 4GB (8G/16G/32GB Optional) Camera Front 0.3MP & Rear 2.0MP/5.0MP/8.0MP Battery 1300mAh/1500mAh/1800mAh/2400mAh/2800mAh/ T-Flash Micro SD to 32GB Message SMS,MMS,Email Others 3.5mm audio jack, BT2.1, WIFI, GPS,G-sensor,P-sensor Accessories: Simple Giftbox, Adaptor, USB cable, Manual