The Telit-LTE chips on the beroNet LTE line-interfaces have their own firmware, which can be upgraded. This can be done by connecting the line interface to a Windows PC using a serial to USB cable and running a flash software.
The port should be enabled and configured, but the telephony software should not runbe running.
This can be done, by using the telnet function in the GUI under Management->ISGW Telnet.
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By executing shutdown you terminate the telephony software isgw, which shouldn’t start by itself nowget restarted until a reboot or an orange activate is performed.
Now the device should be prepared for the actual firmware install.
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