Please follow the below steps:
1. Clear all background apps.
2. Restart the phone.
3. Check whether you can download the music lyrics file.
4. Check the current network environment.
5. Uninstall the music player and reinstall it.
6. Check whether the phone has the latest system - if not, try upgrading the system.
7. Back up phone data and restore factory settings.
If the issue persists, contact the Nothing Support Team for further assistance.