: Install the specific USB drivers for your device manufacturer (Nokia, LG, Samsung, etc.) to ensure the computer recognizes the modem via its COM port. Unlocking Process : Connect the modem to the PC using an original USB cable. Launch the GSM Multi Hub software. Select the correct manufacturer and model from the menu.

: Ensure Microsoft .NET Framework v3.5 is installed. Installation : Extract the tool using a utility like WinRAR.

Click to verify connection, then click "Unlock" to generate or apply the fix.