Users who have an A4 device can easily jailbreak iOS 6.1.3 with Sn0wbreeze program designed for iPhone 3GS, iPhone 4, iPod touch 4G and other Apple models. Sn0wbreeze is designed for A4 gadgets and older gadgets released by the Cupertino-based giant. If you have other version of mobile firmware or newer model, you should use other tools for jailbreaking. For example you can use Redsn0w to jailbreak iOS 6.1.3 devices untethered.
There are some things to consider before performing the process. You should download themost recent release of Sn0wbreeze, iOS 6.1.3 and make sure you have a USB cable to connect your iPhone / iPod touch to the computer. Check twice whether your iDevice model is supported by this jailbreak.
If you have Windows 8 platform you ened to download .NET Framework 3.5 otherwise the program won’t work and you won’t be able to break 6.1.3 via Sn0wbreeze. The jailbreak is tethered, so prepare for re-jailbreaking each time your device reboots.
Jailbreak iOS 6.1.3 Sn0wbreeze Detailed Guide for iPhone / iPod touch
Step 2. Select Browser option to point to iOS 6.1.3 IPSW file.
Step 3. Choose Next – Simple Mode.
Step 4. When the tool asks whether you wish to activate the iDevice, say “Yes” or “No” depending on what you want to do after jailbreak. “Yes” should be chosen by users who are going to unlock with Ultrasn0w afterwards. “No” is good for users who want to unlock via IMEI code or don’t want to unlock at all.
Step 5. Wait till the program completes its job. Don’t touch anything. It will first create custom firmware on your PC desktop and than help you to put iPhone / iPod touch into Pwned DFU state.
Step 6. Now you will have to open iTunes and connect the handset to your computer via USB cable.
Step 7. iTunes should find your gadget in Recovery state. You need to press left SHIFT on computer keyboard while selecting Restore option. Point iTunes to your customer firmware file location and wait till iDevice restores.
Step 8. You should find Cydia on your Home screen after the iPod touch / iPhone boots.
Step 9. Sn0wbreeze locates iBooty folder on your computer. It will help you stay jailbroken and get all the Cydia tweaks and apps.
Step 10. You should open iBooty, choose your model from the menu and press Start. The on-screen guide will help you to enter DFU state.
Step 11. The gadget will boot up giving you an opportunity to download different programs from Cydia app store.