Modem firmware files and upgrade process
As of June 01, 2020, all units shipped by ZPE should have the following firmware versions installed in each modem:
Depending on the date the units was purchased, the pre-installed firmware versions will vary. In case your modem doesn't have the versions above, then the upgrade process is fairly simple.
Installing Firmware for the LTE Modem (Sierra EM7565)
Note: If cellular connectivity with the current SIM(s) and firmware provides reliable connectivity, there is no need to update the firmware. We only recommend updating firmware to potentially resolve technical issues. The link to download the latest ...
Modem Troubleshooting Note: The commands below need to be run from the root shell. This is accessed from the admin CLI by using: shell sudo su - List connected modems mmcli -L Found 1 modems: /org/freedesktop/ModemManager1/Modem/0 [Sierra Wireless, ...
Nodegrid OS Upgrade Path
Due to the increased size of newer Nodegrid OS images, it is important to go through an intermediate version if upgrading from an older, smaller version. The intermediate versions that increase the boot partition size to meet these newer requirements ...
Nodegrid upgrade through Redhat server
Ansible can be used to upgrade Nodegrid device to newer version from server ( Redhat in this case ). Make sure ISO file has been copied to /etc/ansible/Firmware/ folder. First, one needs to create template to be copied on remote Nodegrid device. ...
AT&T SIM is not connecting to LTE or losing connection unexpectedly on Sierra EM7565 modem
Sierra EM7565 modems where the AT&T carrier profile is utilizing the 01.14.02.00 firmware may experience connectivity issues including a failure to connect or unexpected modem resets. In Nodegrid OS, this profile is identified as 01.14.02.00_ATT. ...