Supports iOS 7.0 to 8.3
This will disable the OTA daemons on your device.
When the daemons are disabled, the Software Update screen in Settings will just stay indefinitely at "Checking for Update...".
Simply uninstall the tweak to renable the daemons.
evasi0n, evasi0n7, Pangu, Pangu8 and TaiG disable the daemons for you, so this package should not be installed when using those jailbreaks.