The iPhone Dev Team has just released Redsn0w 0.9.6rc9 which brings untethered jailbreak for iOS 4.3.1 so you don't need to plug in your iPhone every time you reboot it.
Redsn0w 0.9.6rc9 is based on i0n1c's untethered exploit. Check out the supported devices after the jump.
- iPhone 4, 3GS
- iPod Touch 4G, 3G
- iPad 1 (Unfortunately iPad 2 still not supported)
- Apple TV 2G.
We'll be back quickly with how-to guides, stay tuned