Redsn0w – Jailbreak Tool
Redsn0w is the jailbreak tool developed by iPhone Dev Team. Redsn0w supports jailbreak, tethered boot, custom firmware creation, recovery fix, Pwned DFU mode, downgrade firmware, fetch and save SHSH blobs and much more. Redsn0w is available for download for Windows as well as Mac OS. Below are the download links for all the versions of Redsn0w.