No need. The cached file for the first audition is in a directory on the SD card. The original cached file will be read and played for the second audition. If you want to download, the cached file will also be read and converted into visible files. MP3 format.

However, if you turn on the mobile data connection, the default listening quality is smooth sound quality. If you choose to listen or download standard sound quality, it will be downloaded from the server again. At this time, traffic is required, and standard sound quality is required. There is even more traffic. In addition, if you have cleared the QQ music playback cache and there is no data locally, it will be downloaded from the server again.

Listening to downloaded songs in QQ Music on your mobile phone does not consume data. However, when using QQ Music to listen to songs, it is still recommended that you turn off the data network switch, because although listening to downloaded songs does not consume data, the QQ Music application will automatically load some push messages when connected to the network. causing a waste of traffic.