It is recommended to try the following methods:

1. You can enter the program management on the desktop to close all background programs, and then restart the phone.

2. It is recommended that you pay attention to clearing background tasks to release phone memory space when using your phone. Simply pull down the status bar and click one-click cleanup to release phone memory space.

3. Go to Settings-More Settings-Applications-All, find the "i Music" program, click it to enter, and click Clear Data.

4. You can try updating the system version to optimize the system: click Settings--More Settings--System Upgrade--Check for updates immediately, follow the prompts to download the upgrade package, click Verify and Install, the phone will restart Automatically enters upgrade mode.

5. You can also restore all settings on your phone, go to Settings - More Settings - Restore Factory Settings - Restore All Settings. This will not delete the files or data in your phone.