The LTE modem firmware can be upgraded in any of the following ways:
| FTP |
Load an image from an FTP server. |
| Management-station |
Restore an image from a Management station. |
| TFTP |
Restore an image from the TFTP server. |
| USB |
Restore an image from a USB disk. |
With a management station service, the firmware can be downloaded from a FortiOS CLI session. Before that, the remote LTE firmware upgrade must be enabled.
config sys central
set allow-remote-lte-firmware-upgrade enable
end
The following command is used to download the firmware with the CLI to FortiOS. In this article, the carrier GENERIC is being tested, but are some other carriers are also available (such as ATT, VERIZON, TELUS, DOCOMO, SOFTBANK, SPRINT).
execute lte-modem get-modem-firmware management-station GENERIC
Please wait...
Getting image 00002000MIMG00000 from Management station...
###################################################
The following process shows how to download the the carrier PRI files with a CLI command:
execute lte-modem get-pri-firmware management-station GENERIC
Please wait...
Getting image 02002000MIMG00000 from Management station...
####################################################################################################
After downloading the particular PRI file and firmware file, the upgrade can be started.
execute lte-modem start-upgrade
You are going to burn the following images into your LTE modem.
---------------------------------------------------------
Modem image: 00002000MIMG00000.cwe
PRI image: 02002000MIMG00000.nvu
---------------------------------------------------------
The original images on your LTE Modem will be replaced!
Do you want to continue? (y/n)Y
Starting LTE Modem firmware upgrade, please don't power off your device
until the whole process is done!
LTE Modem firmware upgrade routine will run in the background.
Generally, it takes five minutes to complete the process. After completion, the following message will appear in the CLI session:
EM7565 Modem Firmware Upgrade Process succeeded!
After completion, the connection status can be checked:
diag test app lted 3
Modem activation succeeded!
Useful commands in the CLI:
diagnose test application lted 0
1. Show device info
2. Show data session connection status
3. Test connection
4. Test disconnection
5. Get signal strength
6. Get IP address
7. Get IP address and DNS server
8. Get SIM card status
9. Show LTED status
10. Resync LTED status
11. List supported AT commands
12. Get IMEI
13. Get ICCID
14. Get firmware preference
15. Recover firmware preference
16. Set Internal USB Configuration(reboot needed)
17. List stored images
18. Get Msisdn
19. Get Modem Activation State
20. Get SIM State
21. Get RF Band Info
22. Get RF Band Capability
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