...
Switch device from Lorawan to nb-iot:
The device must be set up in the platform before the change!
Send downlink message on port 128 to change configuration:
S = Set config parameter value + Save and reboot
WAN = lte
together:
(ASCII)
SWAN=lteHEX (expected for example on the console of TTN):
53 57 41 4E 3D 6C 74 65
Base 64 (for example expected on the console of Chirpstack v3):
U1dBTj1sdGU=