iFaith is described as 'Program that can save the SHSH blobs of the current version of iOS that's running on your jailbroken iPhone. It will work any version of iOS, whether or not that version is still signed by Apple' and is an app in the system & hardware category. There are 2 alternatives to iFaith for iPhone and iPad. The best iFaith alternative is PkgBackup. It's not free, so if you're looking for a free alternative, you could try iSHSHit.
PkgBackup is a backup application for jailbroken iPhones that backs up & restores all of your Cydia apps, your Cydia sources, and even your homescreen layout. Simply sync your backup with iTunes or Dropbox- then, when you update or restore your device, bring back all of your...
iSHSHit allows you to backup your SHSH blobs from Apple directly on your iDevice for later downgrading.
