Tested on my iPhone 4 on iOS4.0. Remember it’s a Release candidate ! not the final version
– Update 08/07 10:32pm: Release of RC2 of SkrewCommon who should fix problem with black screen when you have winterboard installed.
Please report (and tell device – OS version). Don’t just comment when it don’t work for you, tell if it works too !
Packages for OS3 still exists, and packages for OS3 don’t get updated anymore ! Please don’t tell !