Quectel Change Imei -

AT+QPRTPARA=1 OK Note: Some modules require AT+QGPSGNI=1 or a specific password. Without this, the change command will return ERROR . The primary command is AT+EGMR . The syntax varies by firmware variant.

This article is for educational purposes and authorized device management only. Changing an IMEI to bypass legal tracking, evade theft blacklists, or commit fraud is illegal in nearly all jurisdictions (USA, EU, UK, China). You must own the hardware and have a legitimate operational reason (e.g., network whitelisting) to change the IMEI. Part 1: What is an IMEI and Why Do People Want to Change It on Quectel Modules? An IMEI is a 15-digit unique identifier assigned to every cellular device. It is the hardware’s fingerprint to the mobile network. quectel change imei

AT OK AT+CGSN 123456789012345 OK Step 3: Unlock IMEI Modification (Security Check) Most recent Quectel firmware requires unlocking via AT+QPRTPARA . This is mandatory for EG25/EC25 firmware after 2020. AT+QPRTPARA=1 OK Note: Some modules require AT+QGPSGNI=1 or

Introduction In the world of IoT (Internet of Things), Quectel is a giant. Their modules—ranging from the legacy GSM/GPRS M95 to the cutting-edge 5G RM520N—power millions of devices worldwide, from electric vehicle chargers and industrial routers to asset trackers and smart meters. The syntax varies by firmware variant

AT+EGMR=1,7,"NEW_IMEI" AT+NVM=2 AT+REBOOT That’s it. No locks. No security. (This is why 2G is being sunset.) | Error | Solution | | :--- | :--- | | ERROR | Unlock with AT+QPRTPARA=1 first. Or module is SIMlocked. | | CME ERROR: 13 | SIM failure – Insert a valid SIM card. Some modules require a SIM to write IMEI. | | CME ERROR: 3 | Operation not allowed. You need the DIAG port method (Part 5). | | +CME ERROR: 100 | Unknown command. Use AT+CGMR to check firmware; update to latest OEM version. | Part 9: Automation – Scripting IMEI Change for Mass Production If you are an OEM programming 10,000 modules, use Python with pyserial .

However, developers and system integrators frequently search for a specific, sensitive command:

AT+CFUN=1,1 Wait 10 seconds. Reconnect and check: