Quectel Change Imei Install ((exclusive)) 【RECOMMENDED • STRATEGY】

If the standard AT+EGMR command is blocked or unsupported by your firmware, the IMEI must be written directly to the module's NVRAM (Non-Volatile Random-Access Memory). This method applies primarily to Qualcomm-based Quectel chipsets.

Open your operating system's device manager (e.g., Windows Device Manager) and locate the ports labeled Quectel USB AT Port . Note the assigned COM port number.

The most common and straightforward method for Quectel IMEI modification involves sending proprietary AT commands through a serial terminal. This works on many Quectel modules (EC25, EG25‑G, RM500U, etc.) but may be disabled on newer firmware.

This guide provides a comprehensive, technical overview of how to change and verify the IMEI on Quectel modules using AT commands and official software tools. Legal and Regulatory Warning quectel change imei install

AT+CFUN=1,1

(This commands restarts the module's full functionality and forces a power cycle reset). Step 6: Final Verification Post-Installation

Below is a detailed guide on the installation and technical process for modifying the IMEI on a Quectel module using AT commands. If the standard AT+EGMR command is blocked or

Before starting the configuration process, gather the necessary hardware interface components and software utilities. Required Hardware

Confirm that the hardware successfully committed the new data to the permanent storage layer.

Installed on your computer to recognize the "Quectel USB AT Port". Note the assigned COM port number

Select the corresponding to the Quectel USB AT Port . Set the speed to 115200 baud (default). Type AT and press Enter. The module should respond with OK . 2. Query Current IMEI

Quectel modules utilize specific AT commands for identity management. The most common command for this task is AT+EGMR .

# Enter AT command mode ser.write(b'AT\r') response = ser.readline().decode().strip() if response != 'OK': print('Error: Failed to enter AT command mode') return

Secure the PCIe or M.2 card to the baseboard using the provided screws.