If you've gotten a new iDevice that's on iOS4 or just updated to iOS4 then it's a good time to backup your SHSH sigs with TinyUmbrella! TinyUmbrella is Umbrella and TinyTSS combined into one program. If you don't know what those programs are here's a breif description: Why would I do this? This is to ensure that your can restore back to 4.0 when Apple stops signing it and there isn't a jailbreak for let's say 4.1. What you need: iTunes 9 - 9.2 TinyUmbrella Windows Mac Devices that need to be backed up: -iPhone 4 -iPhone 3GS -iPod Touch 3G -iPod Touch 2G(MC) Saving SHSH Blobs - Double click on umbrella-4.00.06 - Press "Save My SHSH" - Type in your ECID in the ECID box - Download your SHSH files to your computer - Keep the file in a safe spot for later use Hosting your SHSH Files(Windows) - Double click on umbrella-4.00.06 - Press "Start TSS Server" - Go to "C:\WINDOWS\system32\drivers\etc" if your on Windows find your host files - Put "127.0.0.1 gs.apple.com" into the host file - Now save the file - Your Done. Hosting your SHSH Files(Mac) 1.a Launch Terminal.app from Applications>Utilities>Terminal. 1.b To open Hosts file in Terminal, type: sudo nano /private/etc/hosts then hit return/enter key. 1.c At the bottom empty line, copy and paste to Hosts file in Terminal: 188.8.131.52 gs.apple.com 1.d Now do the following using your keyboard keys: PressCtrl + O (as in Orange), hit Return/Enter key once, then Ctrl + X. This combination keys will saved and exit your modified Hosts file. 1.e While the Terminal is still open and you’ve already exited the hosts file, type: dscacheutil -flushcache and hit return/enter key. Your done editing the Hosts file. Move on to Step 2. Whoever has a Mac or Linux can you please made directs on Hosting SHSH files for your OS?