iOS 16.6.1 work with Wi-fi only (not celluar)

[vental74]

Hello everyone!
I have a strange situation - OpenVPN client at all of my iOS devices work only with Wi-Fi connection. On celluar i have connect to my vpn server, but there isn't internet acsess.
I had same problem about half a year ago (on iOS 16.4) and find solution at this forum - get beta version by testflight app. It's worked correctly, but my "testing period" end, and i got iOS update to 16.6 and again got "celluar problem".
Honestly, I'm tired of constantly searching for fixes after every update iOS.
I know I'm not the only one having this problem. Please share solution of this!