Firmware updates

This page describes how to update the app-nrf91-origin firmware on the device.

Files

• Firmware Downloads
• Firmware Changelog

info

To find the correct firmware update file please also see the individual product pages.

Updating the firmware

The firmware can be updated either via USB or over-the-air using the Lobaro Platform.

Local via USB

1. Download the ~boot.hex firmware: Firmware downloads.

   note

   The firmware file is named like this: app-nrf91-origin+0.3.5+hw4~boot.hex.

2. Connect the device using the Lobaro USB Config Adapter to your computer.

3. Update the firmware using the Lobaro Maintenance Tool.

Remote using Lobaro Platform

The following prerequisites need to be met to update the firmware over-the-air using the Lobaro Platform:

• The device needs to be connected via NB-IoT or LTE-M.
• The firmware needs to be uploaded to your Lobaro Platform instance by your platform admin.

When all prerequisites are met, create a downlink of type fw for the affected devices on the platform with the following contents. Change the file names according to the desired firmware version.

Firmware update downlink example

{
  "d": {
    "app": "app-nrf91-origin+0.3.5+hw4.hex",
    "boot": "app-nrf91-secure+0.2.1.hex"
  },
  "q": "fw"
}

See IoT Platform Documentation → Devices → Downlinks on how to create downlinks.

For platform admins, the firmware can be downloaded here: Firmware downloads.

Remote via MQTT

See MQTT → Device Synchronization.