A typical SSS_MPTool_Patched_v2.191.xx.xx (version numbers vary) would include:
Before understanding the tool, you must understand the silicon. tc58nc6623 sss6698ba mptool patched
The drive was merely suffering from logical corruption (power loss during write). The patched tool resets the FTL (Flash Translation Layer), and you get a working drive. Immediately run H2testw to verify real capacity. A typical SSS_MPTool_Patched_v2