After doing the firmware update to 3.0, it is essential that you unplug the UNO R4 before using it with the cloud. Otherwise it doesn't work. This should be emphasized in the on-screen updater instructions.
After doing the firmware update to 3.0, it is essential that you unplug the UNO R4 before using it with the cloud. Otherwise it doesn't work. This should be emphasized in the on-screen updater instructions.