Commands List - Dc-unlocker
– Displays manufacturer, model name, and firmware version. AT+CGSN – Displays the product serial number (IMEI).
| 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. |
| 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 | dc-unlocker commands list
| Command | Description | |---------|-------------| | AT+ZBANDI=0 | – automatic band selection (default) | | AT+ZBANDI=1 | UMTS 850 + GSM 900/1800 | | AT+ZBANDI=2 | UMTS 2100 + GSM 900/1800 (Europe) | | AT+ZBANDI=3 | UMTS 850/2100 + GSM 900/1800 | | AT+ZBANDI=4 | UMTS 850/1900 + GSM 850/1900 |
– Checks signal strength (returns RSSI values between 0 and 31). – Displays manufacturer, model name, and firmware version
| Command | Purpose | |---------|---------| | AT^CARDLOCK="code" | Unlock SIM network lock (Huawei) | | AT^SIMLOCK=0,"code" | Unlock flash lock (older Huawei) | | AT^CLK="code" | Unlock (generic) | | AT^HWVER → compute unlock code | Some models need code from IMEI | | AT^FLOCK=?" | Check lock status | | AT^SIMLOCK=?" | Show lock status (Huawei) |
– Tests connection; returns "OK" if the device responds. | | dc-unlocker2
Hopefully, this command reference helps you get the most out of this powerful tool. If you need more details, the official DC-Unlocker forums and their "supported features" list are excellent resources for specific device compatibility and command nuances.
: Resets the counter for unlock attempts if it has reached the maximum.