only ios 7 and ios 7.0.4 available jailbreak redsn0w is compatible on iphone 5c, 5s, 5, 4s, 4, 3gs and ipad 4, ipad 3, ipad 2. redsn0w has two paths ios device with A5 hardware being simplest and other hardware requiring traditional DFU method. Redsnow 0.9.12 released brings the chuntered jailbreak all ios 7.0.4 users.
Connect your device in your PC run redsn0w app and exerts IPSW file by chicking IPSW.Redsn0w jailbreak step by step guid and video guid.