1. First open the QQ Music app, enter the homepage, and click My on the right side of the navigation bar below.

2. Secondly, on my personal page, find and click the More Settings button in the upper right corner.

3. After entering the more menu page, click the Settings option to enter QQ Music Settings, slide up and down to find the Playback Settings setting, and set up music playback.

4. Finally, you can find the seamless playback function you need. Click to turn on or off seamless playback.