From firmware 2.0.3 upgrade can be done from:

• Web user interface (recommended)
• USB
• Local FTP server

2 files available to upgrade in resources pages:

• liveburner_x.y.z-spn_klk-wifc.ipk.gpg: to upgrade from SPN with data loss (recommended) (Wanesy SPN already installed)
• fwupgrade_x.y.z-spn_klk-wifc.ipk.gpg: to upgrade from SPN without data loss (Wanesy SPN already installed)

Impacts on your LoRa network:

• Configuration parameters are not impacted by the firmware upgrade except the RX configuration parameters. LoRa RX parameters need to be reconfigured after the upgrade
• Tx power may be lost after upgrade
• Fleet configuration is not impacted by the firmware upgrade
• All SPN parameters and the fleet can be uploaded/downloaded (files in JSON format) to configure/backup the gateway

1. Go to Administration ⇒ Update ⇒ Software update
2. Drag and drop firmware file
3. Click on Update gateway button
4. Once file uploaded, click on new Reboot gateway button

More details on dedicated USB utils page

More details on dedicated Local FTP page