AT+ZCDRUN=8 — Disables the virtual CD-ROM installer driver, forcing the device directly into modem/diagnostic port mode.
Modifying cellular hardware via terminal commands carries inherent risks. To ensure you do not permanently damage (brick) your equipment, follow these guidelines:
: Forces the device into 4G/LTE Only mode (supported on legacy Huawei LTE sticks). Reset and Diagnostic Maintenance Commands
Before running advanced diagnostic or unlocking scripts, use these foundational commands to verify communication with the hardware. : Tests the connection. The device should return "OK".
You may need to flash a de-branded ("General") firmware using DC-Unlocker before the command will be accepted. COMMAND NOT SUPPORTED / ERROR dc-unlocker commands list
Select from the model dropdown and click the Magnifying Glass icon.
Keep an eye on the latest supported models, which currently include advanced devices like the Netgear Nighthawk M6 Pro
AT^SYSCFG=14,4,3FFFFFFF,2,4 — Forces the device into mode.
The text box at the bottom allows you to type commands. Execute: Type your command (e.g., check ) and press Enter. Common Use Cases (Examples) 1. Unlocking a Huawei Modem (e.g., E3372) Connect modem. Press the magnifying glass (Detect). Type unlock and press Enter. Wait for "unlocked" confirmation. 2. Reading Unlock Code from Huawei Android Phone You may need to flash a de-branded ("General")
Always verify your device manufacturer and use the command variant designed for that specific chipset architecture.
Connect phone in Manufacturer Mode (dial *#*#2846579#*#* -> ProjectMenu -> Background Settings -> USB Ports Setup -> Manufacture Mode). Detect in DC-Unlocker. Type read_bootloader and press Enter. 3. Enabling Voice on a Router Detect Router. Type enable_voice . Troubleshooting Tips
AT^CARDUNLOCK — Resets the unlock attempt counter back to 10 (requires specific credits/privileges on certain Huawei modems).
AT^SYSCFG=2,2,30000000,2,4 – Sets a Huawei modem to mode. Flash firmware or update dashboards.
| Command | Description | |---------|-------------| | unlock | Unlock the device (requires credits) | | readcode | Read unlock code from server (credits deducted) | | unlock <code> | Unlock with manually provided code (no credits) |
: Displays the current configuration of USB ports (Modem, PC UI, NMEA, etc.). AT^SETPORT="A1,A2;1,2,3" : Used to change which ports are active. Using the wrong string can disable your diagnostic port. : Sets the phone to "Full Functionality" mode.
Disclaimer: Depending on your exact modem firmware version, some direct code entry commands might require server credits or specific hardware privileges within DC-Unlocker.
DC-Unlocker is a specialized software application that provides "direct unlock" functionality for modems, routers, and phones. It works by connecting to the device in special manufacturer mode, enabling users to: Directly unlock network restrictions. Generate unlock codes. Repair IMEI numbers. Edit band lists. Flash firmware or update dashboards.