Oct. 26, 2010
-- 4.1/4.0.2/4.0 or unlock it today with new tool.Apple recently has released firmware 4.1/4.02 for iPhone. It’s not recommended for the upgrade, particularly you’re already using firmware 4.0. Firmware 4.1/4.02 does not come with any big new feature and only focus on bug fixes. However, not every reader are the same. Some readers are considering the upgrade for whatever reasons. Some may find firmware 4.0 is not stable enough and want to upgrade to 4.1/4.02. Some may just trick by iTunes and accidentally upgrade the firmware. Visit http://www.unlockiphone4k.com > to download your jailbreak for iPhone 4/3GS/3G now.
Step 1: Make sure you have upgraded to iTunes version 10 and backup your iPhone data by synchronizing it with iTunes 10. See instruction here on how to backup your iPhone.
Step 2: Download QuickPwn 3.4, Bootloader files and iPhone 4/3G/3Gs firmware 4.1/4.02. Save them all in the same folder. Extract/unzip QuickPwn34.zip. Make sure you have all the files in place before continue.