Shsh Blobs Fixed Now
In the era of the iPhone 3GS and iPhone 4, blobs were static. You could capture a blob once and reuse it indefinitely.
Apple typically only allows you to install the most recent iOS version. Once a new update is released, they stop signing older versions, making it impossible to downgrade via official methods. If you have saved SHSH blobs for a specific version, you can potentially use tools like to bypass these restrictions. How to Save Your Blobs shsh blobs
Can only be "captured" while Apple is actively signing that firmware version. In the era of the iPhone 3GS and iPhone 4, blobs were static
You don't need to be a developer to save your blobs. Several community tools make it a one-click process: Once a new update is released, they stop
Tied to your device's specific ECID; a blob from one iPhone won't work on another.
Some common scenarios where SHSH blobs are relevant:
A desktop application that automatically finds your ECID and saves blobs to your computer or the cloud.