TinyUmbrella for iOS 4.3.1 firmware is here! TinyUmbrella 4.30.05 has now been released to support iPod Touch 3G, iPod Touch 4G, iPhone 3GS, iPhone 4 (GSM only), iPad 1 and iPad 2. Verizon iPhone 4 has not received iOS 4.3.1 firmware yet, so this tool won’t support the new CDMA iPhone.
As usual, TinyUmbrella 4.30.05 works on Mac as well as Windows platform. Linux support is expected in next major update, which will probably be released along with TinyPwn tool.
The developer said -
TinyUmbrella now supports 4.3.1 for the relevant devices. Currently only iPhone 4 for verizon does not have 4.3.1 support (as there is no 4.3.1 available for the verizon iphone). Enjoy!
Download TinyUmbrella 4.30.05 to save iOS 4.3.1 SHSH Blobs
[We've removed the downloadable links from our site due to policy violation issues. Sorry for the inconvenience.]
For jailbreakers, PwnageTool 4.3.1 bundles are available to jailbreak the latest mobile OS, but it provides tethered jailbreak on all the iDevices. iPhone Dev team and Chronic Dev team have reportedly found out a new exploit, so it is recommended that you should wait for their updates.
Update: iPhone Dev team has released two untethered jailbreak tools for iOS 4.3.1 firmware – Redsn0w 0.9.6 RC9 and PwnageTool 4.3