In the category for: What's it's worth ... (FYI - I have a 2020 Ram 1500 Limited with 12in system).
I too was having issues with wifi; sometimes it worked fine other times wouldn't connect to devices although it showed as on. What was frustrating was it seemed to connect at initial truck startup but when I turned the truck off, and then later restarted, for example, go to the grocery store, no wifi although it showed it was running but none of our devices could connect.
I noticed that whenever I got the RAM and Sirius XM logo on Uconnect startup, wifi worked and devices connected properly. When I just got the 12 in screen (no logos) on startup, wifi appeared to be on, but no devices could connect. I was trying to figure out how to get the logo screen each time I started the truck (still don't know how). I thought maybe just reboot the system.
Fast forward - we were on a trip across AZ on I-10 and stopped at a rest area. Prior to stopping the wifi was working fine. Upon restart, no wifi connection. So I did a reboot of the Uconnect by pressing and holding the volume and tuner knobs for about 30 seconds as per manual. Sure enough the system rebooted and I got the RAM and Sirius logs and after it restarted, I also got wifi and our devices all reconnected.
It now seems like the wifi works 95-98% of the time even on restart of the truck. I guess I may have received the update mentioned above at some point and the reboot of the system initialized it but I am really only guessing at this point.