# 1. Check current IMEI AT+CGSN=1
While tutorials and software tools for "Quectel IMEI Change" circulate on developer forums and hacking communities, their usage exists in a legal gray area. Development and research into these mechanisms are permissible under certain exemptions (e.g., security research, interoperability testing), but the actual application of changing an IMEI for use on a public network is almost universally prohibited without OEM authorization. quectel change imei
The real culprit? A grey-market reseller had bought returned units, used a PC utility and AT commands ( AT+EGMR=... ) to overwrite the IMEIs on the Quectel modules, and resold them. They hadn’t just changed numbers — they’d broken the law and poisoned Aisha’s entire dataset. quectel change imei