Windows 7, 8, 10, or 11 (64-bit recommended). Essential Drivers:
Run the GSM Sulteng v1.3.9.exe as an Administrator. Mtk Gsm Sulteng Tool V1.3.9
Ensure you have installed the LibUSB filter. If the device just starts charging, your cable might be "Charge Only" or your drivers are not filtered. Windows 7, 8, 10, or 11 (64-bit recommended)
The remains one of the best free alternatives to premium tools like UnlockTool or Chimera for MediaTek devices. Its simplicity and one-click functionality make it ideal for both beginners and professional repair shop owners. Mtk Gsm Sulteng Tool V1.3.9
Using the tool generally follows a standard "Service Mode" workflow:
A one-click solution to bypass the "Verify your account" screen after a hard reset.