If you need any help with how to install the latest Firmware, take a look over on this page –
Sometimes if the EMO loses connection whilst downloading the firmware, it might be a good idea to restart your Home Wifi and try again. Or attempt to connect to a different Hot Spot and also try the download again. Further info in the guide above 
Depending on how busy/congested they might be. Living.ai will only be allowing a certain amount of EMOs to be updated at a time.
Think of it as you waiting in line. Just need to be as patient as possible and wait your turn.