We all know how great is the iPhone 4 with all of its features , and one of the main features that is awesome in the iPhone 4 is FaceTime. FaceTime is a free video calling application for iPhone 4 users only (also 3GS users with some tweaks) . FaceTime is activated by wifi or 3G and it is blocked by mobile operators in many countries.
Now you can use FaceTime app without depending on any mobile operator. MiddleWhat is a tweak that enables FaceTime when it is disabled by region.
You must have a Jailbroken iPhone, to Jailbreak your iPhone on the latest version, click here
2) Tap on Cydia
3) Go to search
4) search for Middlewhat and install it
5) Respring or resrart your iDevice
6) Go to to setting->phone->then toggle FaceTime tab to on
Go to any contact in your iPhone you will find a FaceTime tab and you are good to go. Give it a try!