In response to a users comment, I've posted this on the Sunderland board if it is of use to anyone, click below, it will take you to a video...
Yes both EE but the phone signal is always crap ( 1bar ) but everything else works fine.
I’m used to it now.
For some reason I have to go through the Premier League first before I can get anything to work on the Sunderland page
I've had a browse of the internet to find the shortest most straight forward video, so I can show you what I would do in a situation where you can only access via a particular route.
It's called clearing cache but I only do it for the site causing the problem, Once you do it as per the video, you would need to refresh the site and it will sign you out - so...
Please note when clearing cache, to be sure you know your log in details before commencing, and only do it for the site page you are on, otherwise doing it for all will wipe all your log ins.