Well at first i opted for a Billion Router with a sim card to do away with the EE4G supplied router, thinking this would have more settings in it to make changes i needed.
But try as i might before i got Frog involved we could not get this router to connect to the internet with all the EE settings provided.
Actually spent 60 minutes with Billion technical support who could not get it up and running.
So I'm my frustration i sent the router back to amazon and then involved Frog in my frustration, he asked about the Nighthawk Router i had previously with my normal fibre connection,he told me we could run that thorough the EE4G router as it had the appropriate settings.
So Saturday afternoon he spent 3 hours talking me through it, but we could not get the free trial VPN to connect and he sort of tested his own on my equipment and Bingo....We connected and when i ran a Playstation test no more Type 3 Nat.
So today i subscribed to my own VPN through AAISP and this evening Frog talked me through the changes we needed to make and here we are all happy
Connection is a little down in download speeds but i don't care, still getting 50 meg down and about 20 up which is plenty.