Using this guide you will be able to connect VPN using port TCP 443 which should work even if other VPN protocols are disabled. Your iOS device (iPhone, iPad, iPod) MUST BE Jailbroken.
Download and install Application GuizmOVPN using Cydia.
In "General" tab click on "Download new configuration".
Enter one of following URLs (depends on which server do you prefer):
The downloaded configuration will appear in the list. Select it and set "Connect = ON"
Enter your UnblockVPN username and password.
Then open the "Log" tab and wait until you see "Initialization Sequence Completed".
Don't close the app, just switch for example to Safari and verify whether your IP has changed. For example at this page.back to downloads