There are yellow and black on the back of oppo mobile phone, which is opporeno9. According to relevant public information, opporeno9*** is divided into four colors: Tomorrow Gold, Hao Yue Black, Blue Sea and Slightly Drunk. OPPO's mobile phone product OPPOReno9. Reno9 series is equipped with the first generation Snapdragon 8+ mobile platform and Tianji 8 100-MAX mobile platform, with the largest 16GB of large memory and 5 12GB of storage space.