TinyUmbrella has updated to 4.1.13 version to work with 4.2 beta 3 for all relevant iPhone, iPad and iPod Touch devices.This tool allows you to save your SHSH blobs, so you can downgrade your iOS devices to a previous firmware even after Apple stopped signing that particular firmware.
This new version has also added a few bug fixes etc. It’s the first time that SHSH blobs are being saved for a beta release.
For those who don’t know, TinyUmbrella is a free tool which lets you save your iPhone, iPad & iPod Touch SHSH blobs, so you can restore or downgrade your iDevices to a previous firmware even after Apple stopped signing that particular firmware.
You can download TinyUmbrella from
to save both iOS 4.1 and iOS 4.2b3 SHSH blobs of your iPhone, iPad or iPod Touch.