#reboot
ATE0
AT
AT+CREBOOT
ATE0
AT
ATE0
#set verbose
AT+CMEE=2
#sim and rf checks
AT+CPIN?
AT+CSQ
#fs init
AT+CFSINIT
#upload ca cert
cacert
#convert ca cert and end uploading
AT+CSSLCFG="CONVERT",2,ca.pem 
AT+CFSTERM
#manual APN conf
AT+CFUN=0
AT+CGDCONT=$pdpcid$,"IP",$apn_server$
AT+CFUN=1
AT+CGATT?
AT+CGNAPN
AT+CNCFG=$pdpcid$,1,$apn_server$
#APN check
AT+CGNAPN
#activate APN/PDP
AT+CNACT=0,1
AT+CNACT?
#synch UTC
AT+CNTP=$ntp_server$,2,0,2
s 15
AT+CNTP
AT+CCLK?