How to pass through the “E11 - Failed to get config” error message on the UPT screen and time displayed is not the correct time zone? JuiceBox may have old firmware that is not compatible with the UPT systems. Update the JuiceBox firmware by using the JuiceConfigure app available in iOS and Android. Related articles JuiceBox Configuration How do I set the APN? UPT is blacklisted by JuiceNet. UPT shows incorrect rates that do not match with the JuiceNet Dashboard. UPT shows "E03 - Plug" error message on the screen.