This tweak hide the informations in Settings->General->About and became usefull when you want to record your screen to show a feature or the iOS version installed. You can control this tweak via Settings application.
Configure options from Settings.
You MUST close and reopen the Settings app or it will not work properly. A respring is also a good idea. :)
If you you still in Italian translation but you aren't Italian or English, you must set English as second preferred language in Settings->International->Language
See Screenshots below..