How To Jailbreak 2.2.1 Using redsn0w on a Mac Credit: Thank you Bi0hAzArD for fixing the error 21 in iTunes by editing Unzip.txt DISCLAIMER: I am not responsible for any damage you do to your iPod. It is virtually impossible to brick an iPod, though use redsn0w at your own risk. If you follow this guide properly, however, no damage should be done to your iPod. Note: This guide assumes that you have libusb installed. If you need to install it, this post explains how: http://www.ifans.com/forums/showpost.php?p=1217405&postcount=4 (Credit: RavenII). First download redsn0w from the Dev Team: http://www.redsn0w.com/rslite101.zip Unzip this and place the folder "rslite" onto your desktop (do not rename it). Download PwnageTool 2.2.5 from the Dev Team: Official ******* - http://[PIRACY.tb].org/*******/4688424/PwnageTool_2.2.5.dmg Open PwnageTool_2.2.5.dmg and copy PwnageTool.app into the rslite folder that is on your Desktop. Download the official Apple 2.1.1 and 2.2.1 iPod touch firmware files (Sorry, can't link those). Rename the 2.1.1 update to 211.ipsw and the 2.2.1 update to 221.ipsw. (The official 2.1.1 file is called "iPod2,1_2.1.1_5F138_Restore.ipsw" and the official 2.2.1 file is called "iPod2,1_2.2.1_5H11a_Restore.ipsw") Place the renamed files into the rslite folder on your Desktop. Users are reporting that Safari automatically unzips the firmware files (which we don't want), so downloading them in Firefox is a good idea. Download the 2 attachments I have uploaded and place them both into the rslite folder on your Desktop. Now open up a Terminal (located in Applications > Utilities). and type Code: cd ~/Desktop/rslite and then press Enter. Then type Code: bash Copy.txt followed by Enter. Leave the Terminal window open. Open up PwnageTool.app, click OK when the blue window pops up and then click the "Expert Mode" button on the top of the window. Click the iPod touch in the middle of the window, followed by the arrow in the bottom right corner. Let it search for IPSW files on your computer. If it finds the 2.2.1 update file automatically, click that and then the arrow in the bottom right corner. If it doesn't find it automatically, double click the "Browse for IPSW" file and open the 221.ipsw file in the rslite folder on your Desktop. On the next screen, double click the button that says "Custom logos" and on the next screen uncheck the 2 check boxes at the top of the window, followed by clicking the blue arrow in the bottom right corner. Finally, double click the "Build" button and save the custom ipsw file as "221pwn" in the rslite folder on the Desktop. It will ask for your password sometime during the build and supply it when it does. When it finishes, close the program. In the previously opened Terminal window, type Code: bash Unzip.txt followed by Enter. This may take a few minutes. Leave the Terminal open. When that is done, plug your iPod into your computer and put it into DFU mode (instructions on how to do this are at the end of the guide). If iTunes is open, close it now and close it if it tries to automatically open in the following process. Only open it when the guide says. In the terminal, type Code: ./rslite then Enter and then type Code: !iBSS211.dfu followed by Enter. Wait a few seconds and then type Code: ./rslite again, then enter. Then tpye Code: #pwn211ibss.txt and Enter. Next type Code: !iBSS221pwn.dfu then Enter. Your iPod's screen should be white. Leave the terminal open. Now open up iTunes and hold Option (the Alt key) while clicking the Restore button. This will allow you to choose the restore file. Restore using the custom ipsw file you created with PwnageTool earlier. When this is done, your iPod will shut down. To boot back up, you must use rslite. Again, close iTunes now and don't open it until the guide says. First put your iPod into DFU mode (there are instructions on how to do this at the bottom of this guide). In the terminal, type Code: ./rslite then Enter and then type Code: !iBSS211.dfu followed by Enter. Wait a few seconds and then type Code: ./rslite again, then enter. Then tpye Code: #pwn211ibss.txt and Enter. Next type Code: !iBSS221pwn.dfu then Enter. Your iPod's screen should be white. Then type Code: ./rslite followed by Enter. Lastly, type Code: !iBoot221pwn.img3 and then Enter and your iPod should boot. Just to be safe, do not disconnect it from the computer until the slide to unlock screen comes up. At this point, you can close the terminal and open up iTunes to sync. Congrats, you now have a jailbroken iPod touch 2G! How To Get Into DFU Mode 1. Connect iPod to computer. 2. Hold Home and Sleep/Wake buttons for 10 seconds. 3. Release Sleep/Wake button and keep holding Home button for 7 seconds. Release it after 7 seconds. 4. You are in DFU mode. How To Reboot The iPod Automated Boot - Recommended and easier Salamantis has created a great automated script for doing this (based upon Exosion's original script). All you must do is put the iPod in DFU and start the app. You can find it here: http://www.ifans.com/forums/showpost.php?p=1226988&postcount=33 Manual Boot If you need to reboot the iPod from after it has been turned off: Put the iPod into DFU mode. Open up a terminal and type Code: cd ~/Desktop/rslite followed by Enter. Next type Code: ./rslite then Enter and then type Code: !iBSS211.dfu followed by Enter. Wait a few seconds and then type Code: ./rslite again, then enter. Then tpye Code: #pwn211ibss.txt and Enter. Next type Code: !iBSS221pwn.dfu then Enter. Your iPod's screen should be white. Then type Code: ./rslite followed by Enter. Lastly, type Code: !iBoot221pwn.img3 and then Enter and your iPod should boot back up. You must do this every time you need to reboot. Note: I created all of the scripts, in case you were wondering.