Did you reboot the phones after you rebuilded config?
Since you deal with VPN, i’m not sure it you’ll need a new VPN client for the phones…+
Edit: I see Andrew answered you here Failure after update to 14
Did you reboot the phones after you rebuilded config?
Since you deal with VPN, i’m not sure it you’ll need a new VPN client for the phones…+
Edit: I see Andrew answered you here Failure after update to 14