1) Open up iFile
2) Go to /var/mobile/Library/Preferences
3) Open up com.apple.springboard.plist
4) Look for OSSoftwareUpdateOSVersion
5) Change the OS version
6) Respring



TIP: REPLACE [] WITH STANDARD HYPERTEXT PROTOCOL.
TIP: REPLACE WHATEVER IS BETWEEN THE [] WITH YOUR INFORMATION.



Hope that helps!