I have a BT Mobile Sim only with EU roaming included.
I'll be travelling to Norway soon by boat and will be near the coast quite a bit where I should be able to connect to the land based Norwegian networks so my understanding is this is fine and included.
If I go out of range of the land based networks then there is also Tampnet which covers the north sea and is recognised as a maritime network with huge roaming costs.
Other than manually setting the network to the local Norwegian network to prevent this is there any way I can avoid it connecting to the maritime networks?
On EE it is possible to text ROAMEU to 150 and it limits roaming to include EU locations only stopping any potential eye watering bills if the phone connects to the wrong network but I've tried this and it appears it doesn't work on BT mobile, is there anything else I'm missing?
