Oppo F15 - A Smartphone With A Powerful RAM// 6-8 gb Ram // 128 gb storage //Dual Sim, Dual Standby (Nano-SIM)//CPU//AMOLED Octa-core (4 x 2.1 GHz Cortex-A73 + 4 x 2.0 GHz Cortex-A53) Chipset Mediatek MT6771V Helio P70 (12nm) GPU Mali-G72 MP3