: Forces the device into 4G/LTE Only mode. ZTE Specific Network Commands AT+ZSNT=1,0,0 : Sets network mode to Automatic. AT+ZSNT=2,0,0 : Forces the device into 2G Only mode. AT+ZSNT=3,0,0 : Forces the device into 3G Only mode. AT+ZSNT=4,0,0 : Forces the device into 4G Only mode. 4. Signal Strength & Performance Optimization

: Displays manufacturer information, model name, and firmware version.

: Submits the 8-digit or 16-digit unlock code to permanently unlock the device. 3. Network Mode & Band Selection

AT&F – Resets all internal modem profile configurations back to factory defaults. Troubleshooting Common Command Errors

Checks if a SIM card is present and if it requires a PIN emnify . AT+CPIN="XXXX" Enters the SIM PIN emnify. AT+CLCK="PN",2

| Command | Description | |---------|-------------| | AT+CLAC | Lists all available AT commands on the modem | | AT+CGMI | Retrieves modem manufacturer name | | AT+CGMM | Retrieves modem model name | | AT+CGMR | Retrieves modem firmware revision |

These standard AT commands work across almost all cellular modems supported by DC-Unlocker.

Retrieves the NCK (Network Control Key) for manual entry DC-unlocker .

In the DC-unlocker terminal, you can send the following commands to diagnose or modify the device's state: AT Checks if the modem is responding (Basic test). ATI Retrieves manufacturer and firmware information. AT+CPIN?

DC-Unlocker is a powerful tool that can help you unlock your device and regain access to its full features. With this comprehensive DC-Unlocker commands list, you're now equipped to navigate the software and perform various tasks with ease. Whether you're a seasoned user or a beginner, this guide has provided you with the knowledge to unlock your device's full potential. So go ahead, explore the world of DC-Unlocker, and discover the freedom to use your device on any carrier or network.

If the output shows 0 at the end (e.g., ^CARDLOCK: 0,0,0 ), the device is unlocked. Troubleshooting Commands If the modem does not respond:

: Restores the factory configuration settings stored inside the volatile profiles. Troubleshooting Guide: Common Command Errors ERROR 30 (No Network Service)

Diagnostic commands are read-only instructions. They pull vital data from the modem’s firmware without altering system files, making them completely safe to use.