Watch the log window at the bottom. Do not disconnect the cable until the software displays "Operation Successful." Important Safety Warning
Open the executable file. If you are using the Z3X shell, select "Samsung Tool" from the menu.
Windows 7, 8, or 10 (Run as Administrator is often required). download samsung 2g tool v 3.5.0040
Use the dropdown menu to find your specific model number (e.g., SGH-E250). Selecting the wrong model can result in a "bricked" device.
Allows users to rewrite the phone's operating system to fix boot loops or software "hangs." Watch the log window at the bottom
Reading, writing, and repairing the EEPROM data which stores critical calibration settings.
Restores original IMEI numbers if the software partition becomes corrupted (essential for regaining network signal). Windows 7, 8, or 10 (Run as Administrator is often required)
A compatible RJ45 or Micro-USB cable specifically for the model you are servicing. How to Use Samsung 2G Tool v3.5.0040