With DEV Team releasing the new unlocking mechanism known as ultra-recycle, you can now jailbreak and unlock a 4.2.1 firmware based iPhone 3G, 3GS and 4. This tutorial will allow you to jailbreak and unlock your 4.2.1 firmware based iPhone 3G, 3GS and iPhone 4 with 06.15 baseband. Read more… Unlock your iPhone With DEV …
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