Hi @SteveElmo your post has been flagged for assistance and you should hear soon.
Of course if it was the work you did, a factory reset might solve it as I'm afraid it won't be possible to upgrade the user.
A router is on the way to you for testing, at no cost to you.
Please log in to My Account if you need to view or pay your bill, manage boosts and track your usage. From My Account you can also check your connection and test your line for any issues in the Service Centre.
WEAR A MASK - WASH YOUR HANDS - SOCIAL DISTANCE