| Feature | Nokia Repartition Tool | Official Flash Tools (WDRT, Nokia Care Suite, OST LA) | |--------|------------------------|------------------------------------------------| | Modifies partition sizes | Yes | No (only writes pre-defined partitions) | | Risk level | Extreme | Low to medium | | Warranty safe | No | Yes (when used with official firmware) | | User level | Advanced/Expert | Basic user (point-and-click) | | Requirement | Custom programmer files | Official signed firmware packages |