You already know by now that GEVEY SIM actually unlocks your iPhone 4 in real on iOS 4.0, 4.1, 4.2, 4.2.1, 4.3 with baseband 1.59.00, 2.10.04, 3.10.01 or 04.10.01 without having to jailbreak your iPhone 4. Applenberry has just posted an official video on how to use GEVEY SIM.

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In order to stay unlock GEVEY SIM needs to be with the phone. You cannot take it out! If you switch off your iPhone or battery drains out, you will lose unlock and you have to follow the entire unlocking process again. Unlike ultrasn0w free unlock, GEVEY SIM card will cost you $ 70 or more. If you cannot hold your appetite, go for it else we would advise you to wait for Dev Team’s ultrasn0w 1.3.

As always, just follow on Twitter or become a Facebook fan for all updates on iPhone 4 unlock, GEVEY SIM and more. You may also like to check out:

• Jailbreak and Unlock iPhone 4 iOS 4.3 Using Sn0wbreeze / Ultrasn0w [Guide]
• New Exploit to Unlock iPhone 4 Permanently Discovered – FAQ
• Jailbreak iPhone 4 iOS 4.2.1 with PwnageTool 4.2 & Unlock with Ultrasn0w [Mac]