I upgraded to 180809 this weekend and did a complete reset and added to Hik-connect App. Good news is that all functionality (live view, door bell call and event play back) appears to work consistently *if I am on the local wifi network*. Trying to connect from work wifi or just cellular network (Verizon) does not appear to work fully. From cellular, live view loads and freezes after a couple of frames. I get notifications of motion on cellular, but can not playback the video. This doesn't make any sense. If the door bell wifi or network connection (or even the hik server) is weak, it should not work at all, but it works fine If I am at home. I've monitored my Router (Asus AC3200 running Merlin) and it appears that this unit does not do UPNP, just a constant connection to a server on Amazon cloud (and a bunch of quick connections to Chinese IPs(!) and some to Private IPs which fail). I have a gigabit connection at home and at work, so bandwidth is not a problem either.