Changed imei number need help

i have recently brought a GSM, and changed the IMEI numbers of all ports. However they are no longer working. Do you know where i can get IMEI numbers which are made for GSMS?

Hi ,

I am not getting meaning of change the IMEI of all ports .

Can you check response of AT+GSN and let me know what is your current IMEI?

The IMEI number of the module cannot be changed.

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