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How to Jailbreak iPhone 3.1.2 firmware with blackra1n Posted: 11 Oct 2009 05:34 AM PDT Few days back iphone firmware was updated to 3.1.2 and now GeoHotz the Purplera1n fame guy has released the jailbreak solution for iphone 2G,3G,3GS and also iPodTouch.Blackra1n is a tool which can jailbreak  all iPhone's ,along with iPhone 3GS and even iPod touch's (iPod touch 2G and 3G) running on firmware version 3.1.2The app is just 600KB.Even the ipt3 is supported, but the ipt3 is tethered. In order to boot it, just rerun blackra1n. blackra1n is a 30 second ALL device 3.1.2 jailbreak. Right now blackra1n is available for windows only and a mac version may be available very soon. General precaution before you jailbreak using Blackra1n This is a jailbreak tool and not a unlock tool.Don’t use this if you want to preserve your baseband as this version currently doesn’t have full ipt3 support.Do NOT upgrade to iPhone 3.1.2 yet if you want to keep your unlock as doing so will result in upgrade of your baseband which will make it almost impossible for you to unlock.blackra1n is for those who are on official carrier like AT&T.Ultrasn0w users wait and recommend not to use Blackra1n and wait for a updated version of Pwnage tool to be out for firmware 3.1.2. Steps to jailbreak iphone family phones with firmware 3.1.2 By this time you will be having Itunes then update to the original iPhone OS firmware 3.1.2 on your iPhone by using the latest version of iTunes. Connect your iPhone/iPod to computer and download Blackra1n for windows and run blackra1n.exe.If you are on Windows 7 or Vista, run the app with "Windows XP Compatibility" mode by enabling it from the "Properties" tab to avoid any errors during the jailbreak process. Now click on make it rain button, and wait for your device to entering in Recovery mode. The conventional recovery mode screen is replaced by GeoHotz photo like the screenshot below. Let the process continue and reboots your phone.You should now have "blackra1n" in the list of applications on your iPhone. Run "blackra1n", download Cydia/ICY and let it install it. After installing Cydia/ICY  after a reboot give a check if they are proper or not, if working fine then you can uninstall blackra1n from your springboard. images by elmarseillais Once you do a check then you will have a jailbreaked iPhone or a Iphone touch on 3.1.2 firmware.

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