First of all, make sure that the extended SD card has been inserted into your phone. You can perform the following operations:

1. Open QQ Music on your phone. When the QQ Music homepage appears, click the oval box in the upper left corner. The middle icon is as shown below;

Two; when the following screen appears, click "Settings" in the oval box in the lower left corner;

Three; when the following picture appears, click the "》" icon in the oval box ;

Four; After the picture below appears, click the oval box to change the song storage location to the extended SD card;

Five; After clicking, a notification as shown in the picture below will appear. Then click the "I Got It" selection box in the oval box below;

6; In this way, when the mobile QQ Music downloads music, it will be downloaded in the extended SD. If you have an MP3 or other music player device, select the location where you just downloaded the QQ music in the playback options to play it.