For detailed guides and the latest downloads, experts recommend resources like the USBDev SMI Section specific controller model SMI MPTool SM32X \ SM34X [SMI Mass Production Tool]
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| Controller | Known working MPTool version | |------------|-------------------------------| | SM3257EN | v2.5.xx, v2.7.xx | | SM3268AB | v2.5.69, v2.5.70 | | SM341 | v1.1x (rare) | | SM349 | Usually SM3257 tool with modified FDB | The Ultimate Guide to SMI MPTool: Mastering SM32x,