AT+COPS? – Shows the current network operator information and network registration status.

DC-Unlocker communicates with devices using a mix of proprietary instructions and standard AT (Attention) commands. While the graphical interface automates most processes, the following command categories are essential for manual troubleshooting and advanced operations: :

– Returns high-density network statistics, including cell ID, band info, and signal metrics. AT!BAND=? – Lists all configured radio bands. AT!RESET – Performs a hard reset on the module. How to Execute Commands in DC-Unlocker To execute these commands, follow these steps: Launch DC-Unlocker : Run the program as an Administrator.

: Switches the modem to "Modem + CD-ROM + Card Reader" mode, useful for ensuring all drivers are visible. AT^U2DIAG=0

– Checks if the device is attached to GPRS/LTE data services.

: Unlocks the "voice" capability on USB dongles, allowing them to be used for calls. Bootloader Code Retrieval

AT^CARDUNLOCK — Resets the unlock attempt counter back to 10 on older Huawei platforms if it has been blocked (0 attempts left).

– Requests the International Mobile Subscriber Identity (IMSI). Network and Signal Commands

A command followed by a ? usually checks the current status or setting.

AT+COPS=? – Scans the immediate area and returns a list of all available network operators and their system IDs.

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AT^SYSCFGEX="0302",3FFFFFFF,1,2,7FFFFFFFFFFFFFFF,, — Sets mode. 5. ZTE-Specific Terminal Commands

: Forces the device into 3G Only mode.