These commands handle frequency band selection and hardware-level features.
: Enables or disables voice call capabilities on supported modems. dcunlocker commands list top
: Sets the device to "Modem + CD-ROM + Card Reader" mode. dcunlocker commands list top
The second value indicates the (e.g., ^CARDLOCK: 1,10,0 means 10 attempts left). AT^DATALOCK? : Checks if the data lock is active. 0 = Disabled. 1 = Enabled. dcunlocker commands list top
Before performing any unlock or repair, you must verify the device's current state. These commands help identify lock status and remaining attempts.
: Identification command that returns the device manufacturer, model, IMEI, and firmware version.
AT commands 2025: Guide cellular for IoT devices - Onomondo.com