erase or write unless you have a full backup.

. You may need to manually update the "Mobile AT interface" or "Unknown Device" under to the "Marvell AT Interface". Note Device Details : Before starting, write down your device’s MAC address Serial Number (SN) from the label under the battery. How to Use Marvell MifiTool V1.4.0.0 Marvell MifiTool V1.4.0.0.exe as an administrator. Select COM Port

Are you looking to a specific model of MiFi, or do you need help finding the specific driver files for your version of Windows?