I am using HL7618RD module . I am facing issue with SIM registration.I have E-SIM connected with module . I have verison card. Always getting +CGREG: 1,3 even after setting of APN. I don’t have any interface to update the firmware in GSM module.Please provide me any help. Thanks.
My AT command sequences are as follows.
AT
OK
AT+CGDCONT=1,“IP”,“vzwinternet”
OK
AT+CREG=1
OK
AT+CGREG=1
OK
AT+CGREG?
+CGREG: 1,3
AT+CSQ
+CSQ: 11,1
OK
AT+CGATT=1
ERROR
AT+CGMR
BHL7618RD.V.1.6.151600.201704201024.x7120m_1
AT+CGDCONT?
+CGDCONT: 1,“IPV4V6”,“vzwinternet”,"",0,0,0,0,0,0