This is a guide on how to Jailbreak iPod Touch 4G untethered on iOS 5.1.1 firmware. The guide will take you through step by step on how to reach a successful iOS Jailbreak on this device.
Step 1: Download Redsn0w
Download the latest version of Redsn0w by going to the iPhone Dev Team Blog and scrolling down to get either the Mac or Windows version.
(the following links might be an older version of Redsn0w but still work for this version of iOS 5.1.1)
Download redsn0w 0.9.15b2 (Windows) [Run in administrative mode]
Step 2: Unzip Redsn0w
Now the you’ve downloaded Redsn0w, unzip Redsn0w using Archive Utility on Mac, or something like WinRar on Windows.
Step 3: Open up Redsn0w
After unzipping Redsn0w, open up the folder and run Redsn0w. Windows users right-click on Redsn0w and press “Run as Administrator”. (Note: Redsn0w needs to connect to the internet, if you have any firewall enabled like ZoneAlarm or Little Snitch, please turn it off for now)
Step 4: Plug in your iPod Touch
Redsn0w is now opened up and ready to go! Plug in your iPod Touch 4th generation running iOS 5.1.1 and make sure your computer recognizes it. The botton of Redsn0w should say “Connected: 5.1.1″.
Step 5: Press “Jailbreak”
Press the “Jailbreak” button to get started.
You might be prompted to use the DFU ramdisk method, if you have a lot of movies, music, etc. on your device, pressing “Yes” is preferred. If you have an unactivated iPhone, also press “Yes”.
Step 6: DFU Mode
In this step we have to put the iPod Touch 4G in DFU mode, which is very simple. You may either follow the steps on the screen, or follow this guide.
First, we will turn off the iPod Touch by holding down the Power button, and “Slide to Power Off”. Get ready to hold and release some buttons, so have your device in hand and click “Next” on Redsn0w.
Hold down to Power button for 3 seconds and continue holding.
Do not release the power button, and now hold down the Home button at the same time for 10 seconds.
Finally, release the Power button, but continue holding the Home button 15 seconds. Redsn0w will start Jailbreaking before 15 seconds are up, but you need to continue holding until you see Redsnow working.
Redsn0w will now “exploit using Limera1n”, you don’t need to do anything here, just wait.
And when that is finished you will find this screen where it’s better to just check Install Cydia and Enable Battery Percentage. Click Next.
Step 7: The Jailbreak Process
Now your iPod Touch will go into Jailbreak mode where it will run a bunch of code on the screen, download and install everything it needs to install Cydia and Jailbreak your device. This only takes a minute or two,Once this is done, your device will now reboot by itself, so feel free to grab a cup of coffee from the kitchen.
Step 7: Jailbreak Complete & Quick Cydia Setup
When your device is successfully Jailbroken, you should see the Cydia App icon on one of your app pages.
Open up Cydia, make sure you’re connected to your network, and you will get a prompt asking whether you would like Cydia to use User, Hacker, or Developer mode. Don’t mess around with these, just tap “User”.
At this point your iPod Touch 4G Jailbreak was successful and you are free to roam Cydia and enjoy your Jailbroken iPod Touch.
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