Have you been in that situation where your cellular router has lost its data connection and you are miles away from the actual router?
If the answer is yes, “SMS control” is the feature you are looking for!
SMS Control allows you to control the device using SMS (text) messages even when the modem does not have a data connection.
You can download the SMS Control command user guide with examples here.
Minimum firmware version: 8.0
Balance/MAX ( LTE-E, LTEA-W, LTEA-P, LTE-MX), EPX (-LW, -LP)