If you’re looking for a way to make your iOS experience seem snappier without any damaging overclocking hacks, then look no further. There’s a new package for the jailbroken iPhone called FakeClockUp that does just that.
The tweak will not change any hardware settings, but rather alters the UI animation speeds so that transitions and other animations will occur shorter or longer, whichever you prefer…
To get this tweak you will need add the source http://hitoriblog.com/apt/ to Cydia and you’ll be able to make your animations faster (or slower) to whichever specifications you’d like. I found 2x to be the maximum speed without losing the iOS feel.
You may notice actual improvements in speed and realize how much time is taken up by superficial animations to create the Apple experience on the iPhone. Actual load times will not change for apps, but rather the speed of which the app is scaled from icon to full screen, or speed by which the multitasking effects occur.
To me this made it seem like the apps loaded slower, although that clearly is not the case. If you try it out, let us know how it affects your experience.