TinyUmbrella, the tool that allows users to save SHSH Blobs for iOS is updated to version 5.00.05 with the support for iOS 4.3.4 and iOS 4.2.9.
TinyUmbrella 5.00.05 can save iOS 4.3.4 SHSH blobs which is required to downgrade the iDevice to the previous version of iOS.
TinyUmbrella 5.00.05 is also compatible to save SHSH blobs for iOS 4.2.9 which is the latest update for Verizon iPhone 4.
Download TinyUmbrella 5.00.05 for Mac
Download TinyUmbrella 5.00.05 for Windows