| ID | Requirement | |----|--------------| | FR-1 | Detect OZIP file signature (magic bytes) and version. | | FR-2 | Support both (simple zip‑like) and encrypted OZIP variants. | | FR-3 | Extract internal partition metadata (e.g., partition_table.bin , header.bin ) from the OZIP archive. | | FR-4 | Decompress LZ4, LZMA, or DEFLATE payloads if compression is used inside OZIP. |

Converting an (Oppo/Realme encrypted firmware) file to a scatter file is a multi-stage process because OZIP files are essentially encrypted archives that first need to be decrypted into standard formats before a scatter file can be generated . Core Features of a High-Quality Conversion Tool

To ensure high-quality conversion results: