It is recommended to use an external memory card to expand the memory space of the phone. The software in the OPPO A57 phone is stored in the phone memory by default. The preferred installation location can only be set for models with less than 16GB in the OPPO phone.
You can store pictures, music, videos and other files in the OPPO A57 mobile phone on the external memory card, enter the software Settings, and set the storage path to the external memory card.
Take [NetEase Cloud Music] as an example, go to [NetEase Cloud Music] [Settings] - [Set download directory] - select [memory card 2], you can save the downloaded songs in the external memory card.
Can't set it. Wireless memory. Because each phone has a fixed amount of memory