Quectel Ec25 Change Imei !full! Link

Note: Depending on the specific firmware version (e.g., EC25-A, EC25-E, or EC25-V) and carrier-specific locking mechanisms, security access commands or factory-unlock passwords may be required before the module accepts changes to its identity registers. Step 4: Finalizing and Committing Changes

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

After the procedure, verify the change by querying the modem:

On Linux, run ls /dev/ttyUSB* . Usually, ttyUSB0 is DM/Diag, ttyUSB1 is NMEA, and ttyUSB2 is the Modem/AT port.

You're looking for information on how to change the IMEI (International Mobile Equipment Identity) of a Quectel EC25 module. The Quectel EC25 is a popular LTE module used in various IoT and M2M applications. Changing the IMEI of such a module can be necessary for certain applications, especially when multiple devices need to share a single cellular subscription or for testing purposes. However, it's crucial to note that modifying the IMEI can be against the law in some jurisdictions and can also violate the terms of service with your mobile network provider. Always ensure you have the legal right and proper authorization to make such changes. quectel ec25 change imei

AT+QNVW=55100,0,0,0 # Disable NV protection

Quectel requires a special password to modify IMEI:

Some firmware versions require unlocking the engineering mode before writing to the NVRAM. AT+QPRTPARA=3 Use code with caution.

Before attempting to change the IMEI on your EC25, gather: Note: Depending on the specific firmware version (e

If you want to read the IMEI specifically via the EGMR syntax first to verify it works, use: AT+EGMR=0,7 Use code with caution. Step 4: Write the New IMEI

If you are working on a specific implementation,I can provide the needed, clarify the firmware version constraints , or explain how to properly back up your NVRAM to avoid permanent hardware damage. Share public link

AT

Most EC25 development kits feature a direct Micro-USB or USB-C port that exposes the module's virtual COM ports to a computer. After the procedure, verify the change by querying

Before proceeding, it is critical to understand the legal implications of altering an IMEI number.

Expected Response: The current 15-digit IMEI number assigned to the module. Take note of this number as a backup. Step 3: Changing the IMEI via AT Commands

Or

+CGSN: 123456789012345 OK