Below mentioned code can change any GSM module IMEI
Many of faulty registered IMEI can be re-use in this Case,
AT+SIMEI command will be used in this case
#include
void setup() {
Serial.begin(9600);
delay(100);
Serial.println(“AT+SIMEI=863789000008218”) }; // Enter desire IMEI #
void loop() {}

thank you very much ❤
LikeLike
can we change the product identifier via At commands?
LikeLike