here we provide a written guide with video content on YouTube where you indicate what are the steps todowngrade your iPhone to 3G/3GS and 2G/3G iPod Touch without retaining engraved SHSH blobs. Step 1: Download Sn0wBreeze Version 2.0.2 together with 3.1.3 iOS and save them on your computer, preferably on the desktop, for a better location of the files. Step 2: Run Sn0wBreeze and press "OK"in the warning notice to proceed to the next screen. Step 3: Now press the blue button located at the bottom of the screen Sn0wBreeze entry and select the "Expert. " Step 4: Next, press the blue button below and in the screen will display, click "Browse"and select the 3.1.3 IPSW file iOS. Step 5: Wait for the tool selected to process the IPSW file. After processing is complete, click on the tab "I Understand"on the login screen of the phone. Step 6: Then select "General" in the results screen and choose "Activate. " If you want more than just unlock your iPhone 3G or 3G IOS 3.1.3, you can select any other options of your choice. Step 7: After making the appropriate selections on the General screen, click "Next"to continue. If you do not have the green ready comparison, select Cydia. Step 8: Now select Build IPSW in the results screen and wait for Sn0wBreeze building proces. Once the process is complete, you have a file iOS 4.1 Beta IPSW custom and ready to restore your iPhone. Step 9: You can restore the custom IPSW file on your iDevice following the instructions on the screen. Note: Please note that these guidelines are purely informative and TecnoLatino.com not responsible for any damages or losses that may be caused to your property for the use thereof. Any move you make using these instructions are done at your own risk. Read more: http://www.ihelplounge.com/ihelplou...-to-313-without-shsh-blobs.html#ixzz1216CXVR5 UPDATE 2: NEW WAY TO DOWNGRADE IPOD TOUCH MC MODELS 4.1 TO 4.0 1.Updated my iPod to iOS4.1 2.Downloaded iREB-4.0.x-4.1.exe and iPod2,1_3.1.2_7D11_Restore.ipsw, iPod2,1_4.0_8A293_Restore.ipsw 3.Start iREB, choose offline method 4.choose the firmware 3.1.2 5.Now you can see a picture of snowflake on your iPOD 6.Start iTunes, shift+restore, choose iPod2,1_4.0_8A293_Restore.ipsw 7.Now your iPod is downgraded 8.go to jailbreakme.com follow the instructions 9.Sydia is installed, and you can do anything you want with your iPod Credit to MrDRD123 To those getting error 3194: Go to Windows/sys32/drivers/etc and look for the host file. Open with notepad and copy this: Copy and paste what's below to the open host file with notepad and remember to delete all before that it has. # Copyright (c) 1993-1999 Microsoft Corp. # # This is a sample HOSTS file used by Microsoft TCP/IP for Windows. # # This file contains the mappings of IP addresses to host names. Each # entry should be kept on an individual line. The IP address should # be placed in the first column followed by the corresponding host name. # The IP address and the host name should be separated by at least one # space. # # Additionally, comments (such as these) may be inserted on individual # lines or following the machine name denoted by a '#' symbol. # # For example: # # 220.127.116.11 rhino.acme.com # source server # 18.104.22.168 x.acme.com # x client host 22.214.171.124 gs.apple.com But you have to erase the other stuff first. So essentially it should be already the same thing. I don't know why this worked particularly, but it did. Mostly I guess b/c my host file was a mess. Please Register or Log in to view images Save and close. Restart Itunes and shift + restore and choose the 4.0 IPSW. You might have to restart the whole process over, but it DID work for me. I hope it works for you guys. I did this w/ 8gb touch mc model 3g using the 2g firmware. I did the part 2 of the tut and it worked just fine.