Updating the firmware on your zappi v1

First make sure you have updated the hub's firmware

Briefly press the download button. When the button is released the “server” LED turns white and the “power” LED will remain green.
The “server” LED will remain white while the new images are downloading
Once the download is complete the server light will turn blue or green again (please note that this could take up to an hour to complete)

If the “power” LED is white then the hub is in diagnostic mode. Press the download button again to return the hub to normal operation

On the zappi v1, once the latest firmware images have been downloaded to the hub, to upgrade the firmware:

On more recent devices:

Press the down arrow so that the screen shows the Main Menu
Use the down arrow and the right hand “tick” button to select the menu “Other Settings… ” (the bottom menu item, not Charge Settings) and then “Advanced…”
Enter the passcode (default is 0 0 0 0)
Select “System…”
Select “Download Firmware…”

On all versions:

Press the down arrow so that the screen shows the Main Menu
Press and hold the left hand “X” button.
Immediately press and hold the right hand “tick” button
When the backlight flashes (after about five seconds) release the “X” button
Note - on some zappis, the backlight will go off (for about 5 seconds). Release the “X” button immediately when the backlight comes back on.
Screen will show “Release Button” – Now release the tick button
Select “Download Latest F/W”