Download the OneXray app from the App Store:
https://apps.apple.com/us/app/onexray/id6745748773
Launch the application and select:
Other - VPN will be used for all sites.
CN - Your real IP address will be used to visit sites in China, and the rest of the connections will go through VPN.
IR - Your real IP address will be used to visit sites in Iran, and the rest of the connections will go through VPN.
RU - Your real IP address will be used to visit sites in Russia, and the rest of the connections will go through VPN.
Add a new xVPN subscription.
Enter any name, copy the link to xVPN subscription from the section Subscriptions.
Connect to VPN.
In case of problems with connection, changing the VPN login or password, you need to update the list of xVPN subscriptions.