This is the third time this has happenned already, suddenly the vacuum disappears from my list of devices and only appears on the connect new devices list once i restart the wifi by pressing the power and home buttons for a few seconds, after which all of my maps are deleted and i need to remap my entire home. The vacuum still works by itself fine if i simply press the power button and let it do a default mopping session. Also tried switching the app's region to china, hong kong, singapore...Read more