Dc-unlocker Commands List -

DC-Unlocker: Commands and Practical Use

DC-Unlocker is a specialized tool used primarily for unlocking modems, routers, USB dongles, feature phones, and some set-top boxes by interacting with their bootloaders, basebands, or embedded unlock mechanisms. It’s widely used by technicians and advanced users to remove carrier locks, read or write firmware, repair IMEI, read device info, and perform diagnostic tasks. Below is an organized essay covering what DC-Unlocker does, common command categories, typical workflow, safety considerations, and practical examples.

Part 3: IMEI Repair Commands (Change/Write IMEI)

Warning: Changing IMEI is illegal in many jurisdictions. Only use on devices you own or for legitimate repair (e.g., restoring original IMEI after corruption).

| Command | Description | | --- | --- | | dc-unlocker2.exe -x Huawei -i | Read current IMEI. | | dc-unlocker2.exe -x Huawei -w IMEI 123456789012345 | Write new IMEI (15 digits). | | dc-unlocker2.exe -x Huawei -i2 | Read second IMEI (dual-SIM devices). | | dc-unlocker2.exe -x Huawei -w IMEI2 123456789012345 | Write second IMEI. | | dc-unlocker2.exe -x ZTE -i | Read ZTE IMEI. | | dc-unlocker2.exe -x ZTE -w IMEI 123456789012345 | Write ZTE IMEI. | dc-unlocker commands list

Note: For recent Huawei HiSilicon chips, you may need the -fu (force unlock) or special loader commands.

Firmware and Update

  1. update: Updates the dongle's firmware. This command might require specifying a firmware file.

5. DC-Unlocker Software Internal Commands (not AT)

When using DC-Unlocker GUI or CLI, these commands are sent internally: DC-Unlocker: Commands and Practical Use DC-Unlocker is a

| CLI command (dc-unlocker_client.exe) | Action | |----------------------------------------|--------| | dc -i | Auto-detect device | | dc -u | Unlock modem (uses credits) | | dc -uc | Read unlock codes (credits) | | dc -rflash | Read firmware | | dc -wflash | Write firmware | | dc -rcustom | Read custom firmware part | | dc -wcustom | Write custom part | | dc -nvi | Read NV items | | dc -nvo | Write NV items | | dc -pn | Change product name | | dc -sn | Change serial number |

Example CLI unlock sequence:

dc_unlocker_client.exe -i
dc_unlocker_client.exe -uc
dc_unlocker_client.exe -u

3. Reading & Flashing

| Command | Description | |---------|-------------| | AT^NVREAD=addr,len | Read NV item (Huawei) | | AT^NVWRITE=addr,data | Write NV item (dangerous) | | AT^PORTSPEED=1 | Force USB 2.0 HS mode | | AT^RESET | Soft reset modem | | AT^SETPORT="A1,2,3,4,5,6,7,8" | Enable diagnostic ports (Huawei) | | AT^DATALOCK=0 | Disable data lock (some ZTE) |

General Commands

  1. help: Displays help information.
  2. exit: Exits the application.

Flash / Firmware

| Command | Description | |---------|-------------| | flash <filename> | Flash firmware file | | write <addr> <file> | Write binary to specific memory address | Warning: Changing IMEI is illegal in many jurisdictions