I am purchasing some remote kasa/Tapo remote smart switches . I don't have any at present so the app does not matter as I will download the relevant app. Is there much difference between the models....

My M7450 cannot connect using an eir isp(republic of Ireland) data sim. Should this be possible. I have used other cards 3, and ,vodafone, with no problem. The isp says it sould not work are they...