TinyUmbrella
TinyUmbrella saves the "SHSH blobs" of your Apple device (i.e. iPhone, iPod, or iPad), allowing you to bypass Apple's servers and downgrade your firmware through iTunes, whenever you want.
iFaith is a 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.
ifaith is a 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. saving your shsh blobs allows you to restore your device to the saved version of ios at anytime, even when apple has stopped approving restores to that version.
ifaith will create a presigned ipsw (iphone software) file with your saved shsh blobs, which you can restore your iphone to.
supported devices: iphone 3g[s], iphone 4, ipod touch 3g, ipod touch 4, ipad 1g, apple tv 2
Backup and Sync System and Hardware
save-shsh-blobs jailbreaking ipsw ios-downgrade shsh shsh-blobs sn0wbreeze