The iDevices (iPhone, iPod touch and iPad) hacking that allows users to access to the entire Unix filesystem is called jailbreak or Jailbreaking is a process that gives a user read/write access to locked OS files on iDevices. Jailbreaking gives a user complete control over iPhone (and other iDevices) including customizing it and 3rd party apps installation. Jailbreaking is a hack to gains access to areas of the iPhone, iPod touch or iPad that users are not supposed to mess with. After that users can install 3rd party cool programs or unlock the handset for use with another cellular network. Lets talk about jailbreaking in detail.
Apple has released iOS 5 beta 3 for iPhone, iPad and iPod touch and Apple TV and the new iTunes 10.5 beta 3. Here is how to jailbreak iOS 5 beta 3. It was said that Apple may patch jailbreak exploit in iOS 5 beta 3. But we gonna instruct here how you can jailbreak iOS 5 beta 3 using redsn0w. The same version of redsn0w that can jailbreak iOS 5 beta 1, can also jailbreak iOS 5 beta 3. Using Redsn0w 0.9.8b1 you can jailbreak iOS 5 beta 3 but it is a tethered jailbreak. Tethered jailbroken device requires it to connect to a computer in order to boot tethered on every reboot of device. Untethered exploit usually expires in a couple of weeks. Here is how.
Jailbreak iOS 4.3.3, Jailbreak iOS 4.2.8 using PwnageTool 4.3.3, Sn0wbreeze 2.7 and Redsn0w. Following are complete guides and tutorials to jailbreak iPhone, iPad and iPod touch.
iOS 4.3.3 has been released by Apple for iPhone 4, 3GS, iPad, iPod touch 4G/3G to fix the location tracking bug found in iOS 4.x devices. If you have upgraded to iOS 4.3.3, and now want to downgrade back to iOS 4.3.2, iOS 4.3.1, iOS 4.3, or iOS 4.2.1, simply follow the instructions below to downgrade iOS 4.3.3 on iPhone 4, 3GS, iPod touch, iPad 2 and iPad 1 to iOS 4.3.2, iOS 4.3.1, iOS 4.3, iOS 4.2.1. This guide will only work if you have SHSH blobs saved for the respective firmware you downgrading to. Proceed to downgrade guide.