@Avrahm Sorry to hear you are having problems, I have had both the XE75 pro 3 pack ( returned ) and silly after few month gap bought the standard XE75 3 pack as i thought newer firmware would have...

@mirudox Officially no difference. Un-officially , can be subtle hardware tweaks , improvements and or fixes. This does lead to firmware updates potentially being delayed on that version.

@UrbanB Correct, Turns of the router function so all ip address are given by the connected router/ modem ( sky ) leaves the wifi all working - this is what i am using with my setup. But turns off the...

@UrbanB Just do a speed test connected directly to a ethernet network cable on the sky router ( not wifi ) ( Speedtest by Ookla - The Global Broadband Speed Test) this will give you the average speed...

@UrbanB Sorry have not done any DMZ stuff before, maybe you will get a reply later or research. I would try the setup suggested before trying anything else. What speeds are you getting on Sky ,...

@UrbanB That would make sense and should work fine.