BT apps no longer working since switching from sky
so ive switched from sky to BT tv. everything is fine except i can no longer use my apps on my iphone etc. i had BT sport with sky originally which has now been cancelled. i had a BT id to log in with but the ID no longer logs me in on the apps. ive got a new account number and spoke on phone and instant chat to advisors who say the problem is my end as everything is fine their end. its driving me nuts as i cant do anything else my end to fix this. tried deleting and re installing etc but still no joy. whats going on?