Oppo F1S is a dual-SIM Android phablet with 5.5-inch display. It is powered by a 1.5GHz Octa core processor and 4GB of RAM. The phablet is equipped with a 13MP rear and a 16MP front camera. In connectivity segment, it has GPRS, EDGE, 3G, Bluetooth, Wi-Fi, and USB. Other features include Li-Po 3075 mAh battery, music player, FM radio, and 64GB built-in and 256GB expandable storage.