AT+QPRTPARA=3
Some carriers may reject an invalid IMEI – ensure your new IMEI has a valid TAC (first 8 digits) and correct checksum.
Verify network attach readiness by checking the SIM card status: AT+CPIN? Use code with caution. quectel change imei install
or
: Use the write variation of the command, replacing the digits below with your target 15-digit IMEI: AT+EGMR=1,7,"123456789012345" Verify and Save : If successful, the module will respond with OK . Restart the module to apply the changes. Confirm the change by running AT+EGMR=0,7 or AT+CGSN again. Critical Considerations AT+QPRTPARA=3 Some carriers may reject an invalid IMEI
You're looking for a report related to changing the IMEI on a Quectel module. Here's some general information:
To issue configurations, open your terminal program and connect to the designated with a standard baud rate of 115200 or 9600 , and set the flow control to None. Reading and Verifying the Current IMEI or : Use the write variation of the
Attached to an appropriate PCIe/M.2 to USB adapter board.
However, success with AT+EGMR is not guaranteed. Users on Quectel forums report that the command may fail due to several factors. The module's current operational state is crucial; some have found success only after disconnecting other network interfaces. On modern modules with anti-tampering firmware, the command might simply return an error or have no effect.
Network operators blacklist or flag devices with mismatched TAC (Type Allocation Code) numbers.