Step by step method worked for me after my trial version expired.
1. remove intelliscreenX if you already installed.
2. connect your device and with i-funbox.
3. Transfer the attached crack in cydia install folder.
4. now reboot your device.
5. Go to cydia and upgrade your intelliscreenX.
6. after respring you will get working intelliscreenX.
7. open intelliscreenX from springboard and download purchased license.
8. downloaded purchased license message will appear.
Note: If trial expired repeat these steps and you will enjoy your intelliscreenX working for more days.
Download link:[Only registered and activated users can see links. ]