Oppo F5 ; Weight, 152 g (5.36 oz) ; Build, Glass front (Gorilla Glass 5), plastic back, plastic frame ; SIM, Dual SIM (Nano-SIM, dual stand-by) ; Type, IPS LCD.The Oppo F5 and F5 Youth's operating system by default is Android 7.1 (Nougat), but may vary to 7.1. 1, depending on the variant distributed per region. The OS of these