Quectel Ec25 Change Imei [1000+ POPULAR]

If the module responds with OK , the command was successfully accepted. Alternative Command for Specific Firmware Versions

Open your terminal emulator and configure the serial connection to the Quectel AT port using the following parameters: 115200 Data Bits: 8 Parity: None Stop Bits: 1 Flow Control: None

AT+EGMR=1,7,"NEW_IMEI_15_DIGITS"

Cellular network operators use the IMEI to whitelist or blacklist devices. Changing an IMEI to an unauthorized or cloned number can result in the device being permanently barred from the network. quectel ec25 change imei

: Ensure the Quectel USB AT Port drivers are installed.

Before making any changes, document your current hardware details. Read the existing IMEI by running: AT+GSN Use code with caution. Or alternatively: AT+CGSN Use code with caution.

Check that the module is powered and not in low-power mode ( AT+CFUN=1 ). Also verify that another application (like a PPP dialer) hasn’t locked the port. If the module responds with OK , the

The is a highly popular series of LTE Category 4 modules widely used in M2M (machine-to-machine) and IoT (Internet of Things) applications. In specialized development, networking, and testing environments, engineers sometimes need to modify the International Mobile Equipment Identity (IMEI) of their cellular modules.

Official Quectel USB Serial Drivers installed on the host operating system. This exposes the AT command port, DM (Diagnostic) port, and NMEA port.

If the above command fails, try the alternative syntax structure: AT+EGMR=1,5,"123456789012345" Use code with caution. Or simply: AT+CGSN="123456789012345" Use code with caution. Method 3: Using the Quectel +QNV Command (Advanced) : Ensure the Quectel USB AT Port drivers are installed

While AT+EGMR is the most common, some users have referenced other commands in forum discussions, such as AT*MRD_IMEI=W (specific to ASR chips), but these are not standard for Quectel EC25. Stick to AT+EGMR .

Quectel modules use a specific write command for the IMEI. Replace 123456789012345 with your target 15-digit number. AT+EGMR=1,7,"123456789012345" Expected Response 4. Save and Restart

Quectel provides specific AT commands to modify configuration parameters. The process requires unlocking the module's engineering or production mode using an access password. Step 1: Verify Current Module Status

However, this power comes with immense responsibility. The article has repeatedly emphasized that changing a device's IMEI is not a feature to be used lightly. It exists primarily as a legitimate engineering tool for restoring a device to its original, intended state after a corruption or repair.

If you dislike AT commands, Quectel provides a PC tool called (Quectel Communication Tool).