Hello everybody,
after discussing with control4 support, here are the steps to recover the icons:
Quick Action
Remove the Neeo remote driver and the remote hub driver.
Reboot Controller.
Power off the Neeo remote and wait for the controller to come back on line.
Hold the mute button and power on the Neeo to enter bootloader
Select the menu option (update manager) and follow the steps on the remote.
Follow the first time user experience to add the Neeo back to the project and room.
Enjoy