Wyze CamPan won’t stream video if the App and the camera is not on the same network

I have a CamPan that worked perfectly until last week. When my phone is on home network, app works fine. When I try to access the app from mobile data it doesn’t work. So when I’m not home, I cannot use the app. Also, the current firmware version is
There was a latest update and when I update, it downloads and processes everything. After all the work, app still shows the version as the older one.