Jailbreak and unlock iOS 4.2.1 with redsn0w 0.9.6b5

Jailbreak and unlock iOS 4.2.1 with redsn0w 0.9.6b5 ... My 3G/16Gb was running with IOS4.0.1, I jailbroken the phone (to IOS4.2.1) with redsn0w 0.9.6b5 without update to 4.2.1 from iTune. Now the phone is unlocked, but the phone works very odd, when open

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