AT^CARDUNLOCK — Resets the unlock attempt counter back to 10 (requires specific credits/privileges on certain Huawei modems).
| Command | Description | |---------|-------------| | AT+ZNCK? | Checks remaining unlock attempts (returns 0–5 attempts) | | AT+ZNCK="unlock-code" | Enters the unlock code to remove network lock | | AT+ZSEC? | Checks SIM/network lock status | | +ZNCK? | Verifies network lock status | dc-unlocker commands list
Ensure the modem is in the correct mode (use AT^U2DIAG=256 to ensure it is not just in CD-ROM mode). AT^CARDUNLOCK — Resets the unlock attempt counter back
Before sending commands to your data card or router, you must establish a secure connection between your computer and the device. | Checks SIM/network lock status | | +ZNCK
| Command | Description | |---------|-------------| | AT+CSQ | Returns signal strength (RSSI) and bit error rate | | AT+COPS? | Displays currently selected network operator | | AT+COPS=? | Lists all available network operators |