That is total nonsense. We have several people here who have Joey 4s working just fine without the need for the Hopper+ being activated or even on the premise. They bought their own Joey 4 and got it activated over the phone. You may need to download the Android files to the Hopper 3. You...
Well it’s Monday. I’m retired and really don’t follow days of the week so much so I pretended it was Tuesday and had 2 extra large tacos! Mm mm good! 😀
Just for jeepers, pull the power from the Hopper for a minute and then plug it back in. If that Harmony was controlling the Hopper before you added the Hopper+ it should work now that you have removed the plus and it did its reboot. Maybe the Hopper needs a fresh reboot to get back to normal.
Larry has a Hopper+ plugged into his Hopper 3. That negates most of the functions of a Harmony remote. Once he removes that Hopper+ from the Hopper all the Harmony functions will return.