If you are looking for an academic paper containing "7425," it might be a reference to specific data points in research rather than a tool: MRI Research : A paper on brain structural organization mentions a repetition time (TR) of 7425 ms for diffusion-weighted imaging. Contact Number
Xiaomi does not host version 7425 directly on its main English site anymore. However, it is available via: mi flash tool 7425
If your interest is in software for Xiaomi devices, the Official Mi Flash Tool is used for: If you are looking for an academic paper