Originally Posted by IanGuy

Hi again all, sorry to keep you waiting; I'm sure you've all been biting your nails in anticipation waiting for my reply.

A "head network engineer" was sent out, as I asked for one of their more experienced workers on the phone and complained about the problem. He came out, instantly stated that it was a box problem and swapped it with a Samsung.
Great guy, all sorted and I don't even get random blackouts anymore