Some of our readers has successfully unlock iPhone 4 on 4.3.4 firmware using Gevey SIM ultra. Things you need to have in order to unlock your iPhone 4 :
- A jailbroken iPhone 4 rnning on iOS 4.3.4 firmware. Guides HERE.
- GEVEY Ultra unlock SIM.
Buy Gevey SIM Ultra to unlock iPhone 4 from HERE.
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