The small voice assistant is OPPO. Xiao Di is the voice assistant of OPPO mobile phone. Xiao Di has the built-in functions of mainstream voice assistant software on the market. Voice wake-up can be achieved in the following two ways. Because voice wake-up requires the support of mobile phone software and software, whether your mobile phone supports voice wake-up can be confirmed by entering the following mobile phone setting path. If this function is available, voice wake-up is supported.