Include pass/fail thresholds in production configs to automatically reject marginal units.


Title: Recovering & Repairing SMI Flash Drives: Understanding the SM32x/SM34x MPTool

If you are dealing with a corrupted USB flash drive, a "write protected" error, or a drive that is showing the wrong capacity, you may have stumbled upon the SMI MPTool (Mass Production Tool). This post breaks down what this tool is, what the SM32x/SM34x codes mean, and how to use it safely.

To document the nature, legitimate applications, and acquisition considerations for SMI (Silicon Motion, Inc.) mass production tools targeting SM32x (e.g., SM3257, SM3268) and SM34x (e.g., SM341, SM349) USB flash drive controller families.