1e41f4b71Sopenharmony_ci# Device Usage Statistics (for System Applications Only) 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci- [Device Usage Statistics Overview](device-usage-statistics-overview.md) 4e41f4b71Sopenharmony_ci- [Device Usage Statistics Development](device-usage-statistics-use-guide.md) 5