iSHSHit tutorial easily backup your SHSH blobs straight to your phone.
iSHSHit allows you to backup device firmware SHSH blobs from Apple directly on your device for later use for downgrading. It automatically uses the Cydia On File service in the background, so it's a great way to ensure that your SHSH is stored by Cydia. iSHSHit can also e-mail your SHSH blobs to you for an additional backup of your blobs.
Step 1: Download iSHSHit from Cydia, it is available on the BigBoss repo so you do not need to add any sources.
Step 2: After installing iSHSHit close Cydia and you will see the app on your springboard. Open it up and you will see the screen below
Step 3: In order to save your SHSH to your device, click the save button in the upper right corner and you will see a message that say "downloading SHSH" after it has completed you are all set.
