How to downgrade/upgrade/re-restore using Redsn0w - No Tinyumbrella or iTunes

Hey guys today i will show you how to downgrade or re-restore your iPhone without using TinyUmbrella or editing your host file. You can use use this video to "upgrade" to a firmware that is no longer currently signed by apple. This method REQUIRES you to have your SHSH blobs. There is currently no way around this. There are a few things that you need to do: 1) Download the latest Redsn0w (http://blog.iphone-dev.org/) 2) Verify existing SHSH blobs 3) Select the firmware you wish to downgrade or restore to if SHSH blobs are available 4) Download the iPhone firmware/IPSW (http://www.iclarified.com/entry/index.php?enid=750) 5) Restore using Redsn0w 6) Complete 7) Like! All iPhone Model 4 and under will be able to downgrade or restore if you have the SHSH blobs. As of now, iPhone 4s will only be able to restore to the current firmware!! Contact me for iPhone unlock services http://www.premierunlocks.com/