How to connect you BG96 to Telefonica O2 Germany

Apply the following AT commands to get your Quectel BG96 connected to Telefonica O2 Cat M in Germany:

# Descriptioon of the sequence below:
#
# AT+...    <- AT Command sent to modem
# OK        <- Modem Response


//Switch the modem to minimum functionality
AT+CFUN=0,0
OK
// Verbose Error Reporting to get understandable error reporting (optional)
AT+CMEE=2
OK
// Only scan for CAT-M Networks
AT+QCFG="nwscanseq",02,1
OK
// LTE only scan
AT+QCFG="nwscanmode",3,1
OK
// Search only CAT-M Networks
AT+QCFG="iotopmode",0,1
OK
// Set CATM1 Bands to LTE Band 20
AT+QCFG="band",0,80000,0
OK
AT+QCFG="roamservice",255,1
OK
AT+QCFG="servicedomain",2,1
OK
// Enable Radio
AT+CFUN=1,0
OK
// Define PDP context using EMnify APN
AT+CGDCONT=1,"IP","em",,
OK
// Manual Registration to O2
AT+COPS=1,2,"26203",8
AT+COPS=1,2,"26203",8
OK
AT+COPS?
+COPS: 0
OK
// Check signal Quality
AT+CSQ
+CSQ: 99,99

OK
// Query Network Info
AT+QNWINFO
+QNWINFO: No Service

// Repeat Manual Operator selection & Signal Quality check until +CSQ is below 30... 

OK
AT+COPS=1,2,"26203",8
OK
AT+COPS?
+COPS: 1,2,"26203",8

OK
// Adequate Signal Reported
AT+CSQ
+CSQ: 28,99

OK
// CAT-M1 Network available for registration
AT+QNWINFO
+QNWINFO: "CAT-M1","26203","LTE BAND 20",6200

OK

// Check registration status
AT+CREG?
+CREG: 0,5 // <- indicates roaming

OK
AT+CGREG?
+CGREG: 0,4

OK
AT+CEREG?
+CEREG: 0,5 // <- indicates roaming

OK

// At this point, the PDP context is active and the device may make HTTP requests

AT+QHTTPCFG="contextid",1
OK
AT+QHTTPCFG="requestheader",1
OK
AT+QHTTPCFG="responseheader",1
OK
AT+QHTTPURL=43,80
CONNECT
https://my-server-.....