@David-TP Yes the Deco was provided by the ISP. I have one other X50 exactly the same, as well as 2 older X20's. Assuming (as I expect) none of these have a VPN option what would be my best bet for a...

There is no option to add a VPN to my X50 (Hardware V1.0, Software 2.0.3 Build 20240112 Rel. 36417). Can I upgrade the existing unit to add the VPN option, or do I need a new Deco router, and if so...