It utilizes the Emergency Download Mode (9008) , allowing it to write data even if the phone has no operating system installed.
Modern versions of this tool often require a login (Authorized Account). Some community-modified versions bypass this, but they carry security risks. msmdownloadtoolv2071rcsm full
Wiping all data and restoring the device to its original out-of-the-box state. It utilizes the Emergency Download Mode (9008) ,