Jailbreak iOS 5.0.1 Untethered On iPhone, iPad, iPod touch (A4 Devices) Now Using Redsn0w 0.9.10b1 / CoronaFor Users On iOS 5.0.1 Tethered Jailbreak:
If you are currently operating an A4 device which has a tethered jailbreak using Redsn0w, Ac1dSn0w or Sn0wbreeze then you can simply launch Cydia from your Springboard and download a package named ‘Corona’ which will provide you with an untethered jailbreak.
For Users On Stock iOS 5.0.1:
If your device is running stock iOS 5.0.1 then you can use download the latest Redsn0w 0.9.10b1 to for either Windows or Mac to give yourself an untethered jailbreak, instructions for which can be found below.
Step 1: Download the latest version of Redsn0w from the links given above.
Step 2: Start Redsn0w, select "Jailbreak" then check "Install Cydia". Follow the onscreen steps to place your device into DFU mode.
Step 3: Wait for Redsn0w to apply the full untethered jailbreak!
Once done, your iPhone, iPad or iPod touch will be rebooted into fully untethered jailbreak mode!