Exact commands and names vary by device plugin and DC-Unlocker client version. Many operations are performed by selecting options in the GUI; advanced users use logged command sequences exposed in the client’s log window to script repeatable tasks.

: Only download software from the Official DC-Unlocker Website to avoid malware-laden "cracked" versions.

: Most commands require uppercase letters ( AT instead of at ).

What or response are you currently getting from the terminal?

| Command | Description | |---------|-------------| | imei <new_imei> | Change IMEI (where allowed) |

What , if any, are you currently seeing in DC-Unlocker? Share public link

| Problem | Solution | |---------|----------| | No device detected | Reinstall drivers, use USB 2.0 port, disable USB selective suspend | | Wrong code | Code is model/IMEI-specific; compute again via server | | Modem locked after wrong code | Power cycle or use AT^RESET | | Ports disabled | Use AT^SETPORT="FF" (Huawei) | | Credits not used | Must click "Unlock" after detection, not manually send AT command |

REM Read Info echo Reading device info... dc-unlocker.exe ^info timeout /t 2

Force your modem into specific cellular bands to stabilize performance or bypass congested towers.

These commands enable voice functionality on supported Huawei modems.

: Forces the device into 2G Only mode.

Standard AT commands are safe. However, some commands (such as firmware writing or changing RF band parameters) can potentially affect performance if used incorrectly.

: Used to switch between modem, CD-ROM, and card reader modes. AT^U2DIAG=0 : Only modem mode. AT^U2DIAG=255 : Modem + CD-ROM + Card Reader. AT^SYSCFG : Sets the preferred network technology. AT^SYSCFG=2,2,3FFFFFFF,2,4 : Sets preference to 3G/WCDMA.