Dc-unlocker Commands List -

| Command | Description | |---------|-------------| | unlock_code | Show unlock code for certain Huawei devices | | unlock_huawei_code | Generate Huawei bootloader code | | unlock_zte_code | Generate ZTE unlock code |

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

Connect via terminal (PuTTY, HyperTerminal, or DC-Unlocker’s built-in terminal) on the modem’s COM port.

| Command | Function | |---------|----------| | ATI | Manufacturer, model, firmware version | | AT^HWVER | Hardware version (Huawei) | | AT^U2DIAG=0 | Enable modem as only modem (no CD-ROM) | | AT^U2DIAG=1 | Enable CD-ROM + modem | | AT^U2DIAG=255 | Enable all functions (modem, CD-ROM, debug) | | AT^SETPORT="FF" | Open all ports (Huawei) | | AT^CARDMODE=1 | Change router to modem mode (some Huawei) |

Here is the complete template for any DC-Unlocker command: dc-unlocker commands list

dc-unlocker2.exe -x [VENDOR] [COMMAND] [VALUE] -port [COM?] -silent -auto_exit

Parameter breakdown:

Real example (full unlock + IMEI restore):

dc-unlocker2.exe -x Huawei -port COM5 -u
dc-unlocker2.exe -x Huawei -port COM5 -w IMEI 354829101234567
dc-unlocker2.exe -x Huawei -band "LTE:1,3,7,20"

Commands in DC-Unlocker can be grouped by purpose:

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:

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