Once installed, follow these steps to interface your hardware with the software safely. Step 1: Enable Diag Mode
Extract your files and install the WTPTP Driver first. This is critical for the PC to communicate with the Marvell chip. 2. Pre-Installation: The Flashing Phase
The device does not show up as a COM port. Solution: Ensure you are putting the device into the correct mode before connecting the USB cable. The device must usually be powered off with the battery disconnected or removed. You may need to ground a specific pin via a test point (TP) or hold a specific button combination while plugging in the USB. This process is often device-specific. marvell mifitool v1400exe install
The tool uses a custom kernel driver to send raw SATA commands.
Do not disconnect the cable until the progress bar reaches 100% and displays a "Success" or "Pass" message. Troubleshooting Common Errors Once installed, follow these steps to interface your
Once your drivers are set up, follow these steps to use the tool:
: After unlocking, if you have no signal, ensure your new SIM card uses frequency bands compatible with the MiFi hardware. The device must usually be powered off with
: Click the primary execution button (often located below the SN input) to apply the unlock. A successful operation is indicated by the message "UNLOCK SUCCESS" in the status window. Post-Installation Troubleshooting
Locate the driver installation files (usually named WTPTP_Driver_Setup.exe or similar). Right-click and select .
: Note down your original IMEI, MAC address, and Serial Number (S/N) from the sticker under the battery. Step-by-Step Installation & Setup
: These must be installed on your Windows PC first to allow the computer to recognize the MiFi in "flashing mode".