AT+CGSN=1
This article is for technical education only. The author and publisher assume no liability for misuse of this information. Always comply with local telecommunications laws. quectel change imei
Yes. Many Quectel modules used in industrial applications have OTP (One-Time Programmable) memory. Once the IMEI is written in the factory, it’s physically fusible – impossible to change. If you receive ERROR on all methods, your module is OTP-locked. AT+CGSN=1 This article is for technical education only