All of iOS 5 users know that at the moment Redsn0w gives the option for tethered jailbreak which means users have to attach their iDevice to computer and run Redsn0w, each time while they need to reboot it.
But BigBoss has released a semitethered jailbreak for iOS 5, now if you want to know that how to do semitethered iOS 5 jailbreak ob iPhone, iPod Touch or iPad then just follow the guide written below.
iOS 5 Semitethered Jailbreak
Jailbreak iOS 5 with Redsn0w 0.9.9 b7 over iPhone 4, iPhone 3GS, iPod Touch 4G, 3G and iPad 1
Open “Cydia” on your iDevice and tap on “Manage” tab “Sources”
Tap “Edit” > “Add” buttons
Enter the source “http://thebigboss.org/semitether” and tap “Add Source” button
Install “Semitether” and just reboot your iDevice
Download Redsn0w for Windows or Mac, launch it and click on “Extras” button and then “Just boot” button
Follow the on screen instructions to put your iDevice into DFU mode and your iDevice will reboot into semitethered state
Enjoy, your iDevice is running over semitethered jailbroken iOS 5.