When I have put the nRF9160 modem into mode 4 or 44, and then issue a status read AT+CFUN? command, the modem erroneously goes online. I have used latest and greatest modem firmware, and still have the problem. I am using the at_client sample program.
This only happens when I use the LTE Link Monitor for my terminal -- not when I use TeraTerm. However, there is still a question I have in that case (in addition to wanting to know why LTE Link Monitor does what it does): Although I have tried to put the modem into all modes like 44, 21 and others -- reading back status shows me I always end up in either mode 0, 1, or 4. What about the others?