I just assumed all previous versions would still be available for download. I also assume you already checked the updater; otherwise, you wouldn't have made this post. But, you know what happens when you assume... 
And yes - the november 2021 update is what enabled Verizon WiFi access. However, if you're planning to use it on a trip, I think it is very limited in how much data you can use during the free trial and mobile data through verizon probably isn't very cheap. Does your current cellular plan not allow you to use your phone as a hotspot instead?
And yes - the november 2021 update is what enabled Verizon WiFi access. However, if you're planning to use it on a trip, I think it is very limited in how much data you can use during the free trial and mobile data through verizon probably isn't very cheap. Does your current cellular plan not allow you to use your phone as a hotspot instead?