Once you have a legitimate simg2img.exe , using it is straightforward. The tool runs entirely from the command line.
Using simg2img.exe is legal for:
Investigators often acquire sparse images from Android devices (especially from dd over ADB with sparse options). simg2img converts them to raw E01 -compatible formats for analysis in Autopsy or FTK. Simg2img.exe Download
Avoid "DLL download" sites. If the download is under 50KB, it is likely a fake. A real simg2img.exe is usually between 50KB and 200KB. Once you have a legitimate simg2img
A format that only stores the parts of a partition that actually contain data, leaving out the "empty" space. This makes the file much smaller for downloading and flashing. Once you have a legitimate simg2img.exe