OPPO A77 Refurbished Mobile has these features:

The OPPO A77 Refurbished Mobile is a smartphone with a 6.56-inch Full HD IPS LCD display that delivers bright and vivid colors. The device is powered by a 1.5GHz octa-core processor with 4GB of RAM, which allows for smooth multitasking and fast app launch times. It comes with 128GB of internal storage, which can be expanded up to 256GB via a microSD card