With this guide, you will be able to
You can Jailbreak following devices with
- iPhone 3GS: New bootrom (tethered), Old bootrom (untethered)
- iPod Touch 4G, 3G (Tethered)
- iPad 1 (Tethered)
- A5-Devices not supported yet (iPhone 4S, iPad 2)
How to Jailbreak iOS 5.1 with Sn0wbreeze
Step 1. With USB cable, connect your iPhone, iPad or iPod Touch to iTunes and Run Sn0wBreeze. Hit Ok, and click thenext button.
Step 2. Click Browse and locate the iOS 5.1 IPSW file for your iDevice, hit the Next button.
Step 3. Select the Expert Mode, hit Next, Select General and hit Next;
You can choose whatever you would like to have and click next.
Step 4. Click Build IPSW option and hit next. At this point of time, Sn0wBreeze will start creating custom iOS 5.1 firmware to jailbreak your iPhone, iPad or iPod Touch.
Hit Ok when the process completes. (Custom firmware 5.1 can be found on desktop along with an iBooty folder)
Step 5. Now its time to put your iDevice into DFU mode. Follow onscreen instructions for the same.
Step 6. Open iTunes and while holding shift/Option key, hit restore. Locate & select the custom iOS 5.1 that you built. Let iTunes do its job and soon your device will be running iOS 5.1 jailbroken tethered.
How To Tether Boot
From desktop folder called iBooty, run the iBooty executable. Choose your device from the drop down menu & click “start”. Once again, enter DFU mode using the onscreen instructions.
One you are in DFU mode, iBooty will take care from that point on and your iPhone, iPad, iPod Touch would boot Tethered Jailbroken state.