I have been trying to change my main wan on my RUT955 via sms. But without success. I used this link as a reference. https://community.teltonika-networks.com/12199/change-wan-through-sms .
but this does not work properly.
It changes my wan but refuse to connect to the 4G netwerk after the reboot.
I want to change the WAN from wired to mobile. and back again if needed. What commands can I use for that?