Dc-unlocker Commands List May 2026

| Command | Description | | --- | --- | | dc-unlocker2.exe -i | Lists all available ports with device info (vendor, model, IMEI). | | dc-unlocker2.exe -i port | Shows detailed info for a specific port (e.g., COM10). | | dc-unlocker2.exe -i port=COM3 | Targets a specific port manually. |

| Command | Description | | --- | --- | | dc-unlocker2.exe -x [vendor] | Select device application (e.g., -x Huawei). | | dc-unlocker2.exe -x ZTE | Switches to ZTE protocol. | | dc-unlocker2.exe -x Sierra | Sierra Wireless modems. |

Always back up device state first. Many actions are irreversible or risky without backups.

DC-Unlocker is a specialized software tool used for unlocking wireless data cards, USB modems, and routers. While the graphical user interface (GUI) is user-friendly, the command line interface (CLI) offers greater control, scripting capabilities, and access to advanced functions not always visible in the main window.

This feature covers the essential command list, categorized by function, with explanations on how to use them effectively. dc-unlocker commands list


Commands in DC-Unlocker can be grouped by purpose:

  • Network Lock and Unlock

  • Firmware and Bootloader Operations

  • Diagnostic and Repair

  • Security and Protection Operations

  • Miscellaneous Utilities

  • Before performing any unlocking, you must verify that the software can see the device and read its current status.

    | Command | Description | | :--- | :--- | | ^detect | Scans all available ports (COM and USB) to detect the connected modem/router. This is the first command you should run. | | ^info | Displays detailed information about the device, including Model, IMEI, Firmware Version, and SIM Lock status. | | ^version | Displays the current version of the DC-Unlocker software. | | ^portstatus | Shows the current status of the communication ports used by the device. | | Command | Description | | --- | --- | | dc-unlocker2

    Usage Example:

    dc-unlocker.exe ^detect
    dc-unlocker.exe ^info
    

    NV items store device-specific data (IMEI, calibration, bands, MAC addresses). These commands are for advanced users.

    | Command | Description | | --- | --- | | dc-unlocker2.exe -x Huawei -read_nv 1000 | Read NV item 1000. | | dc-unlocker2.exe -x Huawei -write_nv 1000 0x00FF | Write hex value to NV item. | | dc-unlocker2.exe -x Huawei -backup_nv "C:\backup.nvm" | Full NV backup. | | dc-unlocker2.exe -x Huawei -restore_nv "C:\backup.nvm" | Restore from backup. | | dc-unlocker2.exe -x Huawei -nv_repair | Auto-repair common NV corruptions. |

    Use case: Restoring a lost IMEI often requires: Commands in DC-Unlocker can be grouped by purpose:

    dc-unlocker2.exe -x Huawei -write_nv 450 0x[hex value]