For unknown reasons on Firefox mobile iOS I get no keyboard for the model field

Had to double tap and paste

I believe this is caused by some unknown interference. Originally I had one very near the h100 and was plagued with delays and non responsiveness.  I then swapped to a deco xe75 removing my ASUS router and the button miraculously has not missed a beat since.  
 

I installed a zigbee dongle into my HA nuc a couple of days ago which is in the room between the hub and current button having issues.  
 

The app does not record any interference problems yet here we are.

The app log didn't even record button press and had a -65rssi 

Which worked perfectly until the sonoff dongle