is an older version of the professional mobile servicing software developed by the Z3X-TEAM . It is primarily used by technicians to perform advanced repairs and modifications on older Samsung smartphones. Key Features of Version 19.1
Using Samsung Tool 191 will trip the Knox eFuse on supported devices (from S6 onward). Once tripped, Samsung Pay, Secure Folder, and warranty are permanently disabled—even if you flash original firmware. samsung tool 191
: The software includes a built-in manual for every supported phone model, providing specific step-by-step instructions for that particular hardware. Samsung Tool 19
Run the tool inside a Windows Sandbox or an isolated virtual machine. Never run it on a PC with personal banking or sensitive data. Once tripped, Samsung Pay, Secure Folder, and warranty
If your device is too new or the tool fails, consider these alternatives: