WHOA!! An new hacker has just released a new tool which conveniently unlocks your iPhone 4 and iPhone 4S on all basebands in just three clicks. Yes! we have tested and it unlocks iPhone baseband 02.10.04 and 04.11.08. With AprilSn0w, you can unlock your CDMA iPhone and use it on Sprint network and vice versa. If you want to unlock your iPhone for T-Mobile, make sure you disable 3G in the settings.
Supported iPhone 4/4S Basebands - 01.59.00, 03.10.01, 02.10.04, 04.10.01, 04.11.08 and 04.12.01. AprilSn0w is an alternate to the Dev-Team’s UltraSn0w. In order to Unlock iPhone 4 or iPhone 4S with AprilSn0w, your iPhone MUST be officially activated before performing unlock with AprilSn0w (no hacktivate support for now).
Here you can find the download links – separate for both CDMA and GSM version of iPhone 4 and A5 based iPhone 4S:
Download AprilSn0w iPhone 4/4S Unlock (GSM+CDMA)
[UPDATE ]: Please Note..IT WAS JUST AN APRIL FOOL PRANK..