Having recently bought a 3TB single drive, I am having problems with access away from home.
I can access it at home via the 192.168… etc.
I have the Apps on iPhone & ipad.
These allow me to access all my files when I’m not at home.
I Cant access the files from my Laptop when connected to another network (eg personal hotspot from my phone for example)
I have a Sky SR102 Router connected to standard (non fibre) broadband.
I am NOT able to use Google dns (sky has router locked down).
I have UPnP switched ON
Drive is not connected when I try, but I know its ok as at the same time I can access from my phone.