TinyUmbrella 4.21.01 Has Been Released To save SHSH

TinyUmbrella developer has just released a new update for the application that allows you to manually save the certificates SHSH devices and that brings us to version 4.21.01. With this update the program now supports saving blob SHSH for the new 4.2.1 firmware and upgrade it to the baseband firmware preserving the previous iOS 4.1

Download links

• TinyUmbrella 4:21:01 (Windows)
• TinyUmbrella 4:21:01 (Mac)
• TinyUmbrella 4:21:01 (Linux)

Let's remember to always save your new certificate for any firmware that SHSH unlocked. It a very important part of ensuring the operation of the device to downgrade to a previous version of IOS.