If you were a jailbreaker in 2012-2013, you might have automatically saved blobs through Cydia (Cydia’s server saved them for you) or manually using TinyUmbrella. In this case, you can still download them.
Unlike Android ROMs, you cannot just "download" a generic iOS 6 blob from a website. Because blobs are cryptographically tied to your device’s ECID, a blob for someone else’s iPhone will not work on yours. However, there are three main scenarios: ios 6 shsh blobs download
: Apple only generates these signatures while they are "signing" a firmware version. Apple stopped signing iOS 6 for most devices over a decade ago. If you were a jailbreaker in 2012-2013, you
on your device during the iOS 6 era, there is a high chance your blobs were automatically saved to their servers. Because blobs are cryptographically tied to your device’s
Here’s a quick review of what means in practical terms for iPhone/iPad users.