How to perform an Emergency USB Update

To perform an emergency USB update on your Kello, follow the steps bellow.

⚠️ Only start this process if a customer service representative asked you to do it or if you know what you are doing ⚠️

You need a USB key and a computer to do an Emergency USB Update.

  1. First, format your USB key in FAT, exFAT or FAT32.
  2. Download Kello's firmware.
  3. Unzip the downloaded file and put the "lsimage" file in the on the USB key.
  4. Unplug your Kello from its power outlet.
  5. Plug the USB key to Kello's USB port.
  6. Hold the  button on the back of Kello, while plugging in the power jack.
  7. While preparing the Emergency USB Upgrade, Kello will display only one dot on the top left for about 1 minute, then start the update and display a loading bar.
    ⚠️ Do not unplug Kello during the update! ⚠️