Hi further to my post and my tp link being new, I can now see with glasses on it’s not actually an exclamation mark it’s the number 1 so assume it’s the one device connected, thanks for your answer...

I have a tp link 7450 lte, put sim in all connects and can use tablet to view films etc, however notice exclamation mark on bars top right of screen, it downloads and seems to work ok, what is the...