A little less than a week after his last update, Notcom announced via Twitter that he released a new version of TinyUmbrella to arrive at the release 5.00.04, this update was natural to expect. Latest update is expressly dedicated to the new iPhone OS 5.0 beta 3, allow us to save SHSH certificates.
Recall again that this type of operation is necessary to preserve the possibility of a possible downgrade and restore to previous firmware and its subsequent jailbreak. TinyUmbrella is available in both Windows and Mac can be downloaded from following links.
You can download it here: