Step 1: Retrieve the liveburner KerOS firmware.
Go on the Resources page of product firmware here.
Under the section “KerOS Firmware and toolchain”, go on the page dedicated to the last firmware available.
Download the liveburner file: liveburner_X.X.X_klkgw-signed.ipk.
Step 2: Use the Wanesy SPN firmware upgrade procedure to install KerOS firmware.