Today we have good news, MuscleNerd talked about unlocking iPhone 4, He said that you can Unlock iPhone 4 permanently without need to Ultrasn0w by getting the codes out of the seczone to calculate your NCK code, But this Process will have to go over 100 trillion combinations. So in a tweet answering someone who don't understand telling him that the Unlock is ready and he is waiting for public Jailbreak release from comex.
We're gonna be able to give you an unlock with the jailbreak.
Let's talk about The next Jailbreak from Comex, It will (un)tethered "Spirit" Jailbreak and it will be able to jailbreak your iPhone 4 / 3GS (Old+New Bootroms) / 3G, iPod Touch 3G / 2G (MC+Non MC Models) on iOS 4.0.1 / 4 and also may be on iPad 3G / WiFi on iOS 3.2.1! So Stay Tuned